{"product_id":"synology-rs4021xs-plus","title":"Synology RackStation RS4021xs+ 16-Bay Rackmount NAS","description":"\u003cp class=\"MsoNormal\"\u003eThe \u003cstrong\u003eSynology RackStation RS4021xs+\u003c\/strong\u003e is a high-performance 16-bay 3U rackmount NAS designed for centralized file storage, backup, business workloads, virtualization support, surveillance storage, and scalable rack-based data management.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eWith an \u003cb\u003eIntel Xeon D-1541 8-core processor\u003c\/b\u003e, \u003cb\u003e16GB DDR4 ECC UDIMM memory\u003c\/b\u003e, support for up to \u003cb\u003e64GB memory\u003c\/b\u003e, \u003cb\u003e16 drive bays\u003c\/b\u003e, expansion support up to \u003cb\u003e40 drive bays with two RX1217 or RX1217RP expansion units\u003c\/b\u003e, \u003cb\u003e4 x 1GbE LAN ports\u003c\/b\u003e, \u003cb\u003e2 x 10GbE LAN ports\u003c\/b\u003e, \u003cb\u003e2 x USB 3.2 Gen 1 ports\u003c\/b\u003e, \u003cb\u003e2 x Infiniband expansion ports\u003c\/b\u003e, \u003cb\u003e2 x PCIe Gen3 x8 slots with x8 link\u003c\/b\u003e, redundant power supply support, and compatibility with \u003cb\u003e3.5\" SATA HDDs\u003c\/b\u003e and \u003cb\u003e2.5\" SATA SSDs\u003c\/b\u003e, the RS4021xs+ is built for demanding business and enterprise storage environments.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eProduct Overview\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe \u003cb\u003eSynology RackStation RS4021xs+\u003c\/b\u003e is designed for customers who need a high-capacity, high-performance rackmount NAS solution for centralized data storage, file sharing, backup, surveillance, virtualization support, and business application workloads.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eWith sixteen drive bays as standard and expansion support up to forty drive bays when paired with two compatible RX1217 or RX1217RP expansion units, the RS4021xs+ gives businesses strong storage flexibility for growing data requirements.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003ePowered by an \u003cb\u003eIntel Xeon D-1541 8-core \/ 16-thread processor\u003c\/b\u003e with \u003cb\u003e2.1GHz base frequency and 2.7GHz turbo frequency\u003c\/b\u003e, plus \u003cb\u003e16GB DDR4 ECC UDIMM memory\u003c\/b\u003e, the RS4021xs+ supports Synology DSM features for storage management, file services, backup, Synology Drive, Synology Office, Synology Photos, MailPlus, Surveillance Station, Snapshot Replication, Synology High Availability, SAN Manager, Fibre Channel, and Virtual Machine Manager.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe RS4021xs+ also includes \u003cb\u003ebuilt-in dual 10GbE connectivity\u003c\/b\u003e, \u003cb\u003etwo PCIe expansion slots\u003c\/b\u003e, and \u003cb\u003eredundant power supply support\u003c\/b\u003e, making it suitable for businesses that need high network throughput, scalable storage, SSD cache options, and improved service continuity.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003e16-bay Synology RackStation NAS\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003e3U rackmount form factor\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eIntel Xeon D-1541 processor\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003e8-core \/ 16-thread CPU\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003e2.1GHz base and 2.7GHz turbo CPU frequency\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003e16GB DDR4 ECC UDIMM system memory\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eMaximum memory capacity of 64GB with compatible memory expansion\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eHardware encryption engine\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eSupports 3.5\" SATA HDDs\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eSupports 2.5\" SATA SSDs\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eHot-swappable drive support\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eExpands up to 40 drive bays with two RX1217 or RX1217RP expansion units\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003e4 x RJ-45 1GbE LAN ports\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003e2 x RJ-45 10GbE LAN ports\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003e2 x USB 3.2 Gen 1 ports\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003e2 x Infiniband expansion ports\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003e2 x PCIe Gen3 x8 slots with x8 link\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eRedundant power supply support\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eSupports optional 10GbE and 25GbE network interface cards\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eSupports optional M.2 SSD adapter card\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eSupports SSD read\/write cache\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eSupports SSD TRIM\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eSupports RAID F1, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eSupports RAID Group\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eMaximum single volume size of 108TB, 200TB with 32GB memory, or up to 1PB with 64GB memory for RAID 6 groups only\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eSupports up to 285 IP cameras depending on codec, resolution, and configuration\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eSupports 4-post 19\" rack installation with optional Synology rail kit\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l5 level1 lfo1; tab-stops: list .5in;\"\u003eBacked by a 5-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRecommended Use Cases\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eBusiness file storage\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eEnterprise rackmount NAS deployment\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eCentralized document backup\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eServer and endpoint backup\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eVirtualization storage\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eiSCSI and Fibre Channel storage workflows\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eShared folder snapshots\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eSynology Drive file access and synchronization\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eSynology Office collaboration\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eSynology Photos management\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eMailPlus server workflows\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eSurveillance storage\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eSSD cache deployments\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eBuilt-in 10GbE storage environments\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003e25GbE network upgrade with compatible card\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eHigh-capacity RAID storage configurations\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eStorage expansion with RX1217 or RX1217RP\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eBusiness continuity and data protection workflows\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo2; tab-stops: list .5in;\"\u003eEnvironments requiring redundant power supply protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eBrand: Synology\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eModel: RS4021xs+\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eProduct Type: 16-Bay Rackmount NAS\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eForm Factor: 3U\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eCPU Model: Intel Xeon D-1541\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eCPU Quantity: 1\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eCPU Cores: 8\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eCPU Threads: 16\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eCPU Architecture: 64-bit\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eCPU Frequency: 2.1GHz base \/ 2.7GHz turbo\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eHardware Encryption Engine: Yes\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eSystem Memory: 16GB DDR4 ECC UDIMM\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003ePre-installed Memory: 16GB x 1\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eTotal Memory Slots: 4\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eMaximum Memory Capacity: 64GB\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eDrive Bays: 16\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eMaximum Drive Bays with Expansion Unit: 40 with RX1217 \/ RX1217RP x2\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eCompatible Drive Type: 3.5\" SATA HDD\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eCompatible Drive Type: 2.5\" SATA SSD\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eHot Swappable Drive: Yes\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eLAN Port: 4 x RJ-45 1GbE\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eLAN Port: 2 x RJ-45 10GbE\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eUSB Ports: 2 x USB 3.2 Gen 1\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eExpansion Ports: 2\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eExpansion Port Type: Infiniband\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003ePCIe Expansion: 2 x Gen3 x8 slots with x8 link\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eSize: 132.3mm x 482mm x 656.5mm\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eWeight: 17.4kg\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eRack Installation Support: 4-post 19\" rack with Synology Rail Kit RKS-02\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eSystem Fan: 80mm x 80mm x 3\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eFan Speed Modes: Full-Speed Mode, Cool Mode, Quiet Mode\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eEasy Replacement System Fan: Yes\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003ePower Recovery: Yes\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eScheduled Power On \/ Off: Yes\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eWake on LAN \/ WAN: Yes\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eNoise Level: 44.7 dB(A)\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003ePower Supply Unit \/ Adapter: 800W or 550W, depending on hardware revision\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eRedundant Power Supply: Yes\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eAC Input Power Voltage: 100V to 240V AC\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003ePower Frequency: 50\/60Hz, Single Phase\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003ePower Consumption: 145.79W during access\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003ePower Consumption: 62.68W during HDD hibernation\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eBritish Thermal Unit: 497.14 BTU\/hr during access\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eBritish Thermal Unit: 213.74 BTU\/hr during HDD hibernation\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eOperating Temperature: 0°C to 35°C\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eStorage Temperature: -20°C to 60°C\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eOperating Humidity: 8% to 80% RH\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eStorage Humidity: 5% to 95% RH\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eCertification: FCC, CE, BSMI, VCCI, RCM, EAC, CCC, KC, BIS, UL\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eEnvironment: RoHS Compliant\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l4 level1 lfo3; tab-stops: list .5in;\"\u003eWarranty: 5 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePerformance and Reliability Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003e16-bay 3U RackStation NAS designed for demanding business and enterprise storage deployments\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eIntel Xeon D-1541 8-core \/ 16-thread processor for compute-intensive DSM workloads\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003e16GB DDR4 ECC UDIMM memory for enhanced data integrity\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports memory expansion up to 64GB using compatible Synology memory\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eHardware encryption engine support\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports 3.5\" SATA HDDs and 2.5\" SATA SSDs\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eHot-swappable drive support for easier drive maintenance\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eExpansion support up to 40 drive bays with compatible RX1217 or RX1217RP expansion units\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eBuilt-in dual 10GbE RJ-45 LAN ports for high-speed network storage access\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eFour 1GbE LAN ports for additional network connectivity\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eTwo PCIe Gen3 x8 slots with x8 link for compatible network interface cards or adapter cards\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports optional 10GbE and 25GbE network interface cards\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports optional M.2 SSD adapter card\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eRedundant power supply support to help keep services online if one power source has an issue\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports SSD read\/write cache and SSD TRIM\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports Btrfs and ext4 file systems on internal drives\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports RAID F1, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports RAID Group\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports volume expansion with larger HDDs\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports volume expansion by adding a HDD for RAID F1, JBOD, RAID 5, and RAID 6\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports global hot spare for RAID F1, RAID 1, RAID 5, RAID 6, and RAID 10\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports maximum single volume size of up to 200TB with 32GB memory, or up to 1PB with 64GB memory for RAID 6 groups only\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports DSM file services including SMB, AFP, NFS, FTP, WebDAV, and Rsync\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports iSCSI and Fibre Channel workflows\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports virtualization storage with VMware vSphere, Microsoft Hyper-V, Citrix XenServer, and OpenStack\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports Snapshot Replication\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports Hyper Backup\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports Synology High Availability\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports Synology Drive for file access and synchronization\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports Synology Office collaboration workflows\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports Synology Photos facial recognition and object recognition\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports Synology MailPlus with included free email accounts\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports Virtual Machine Manager with recommended virtual machine instances\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eIncludes 2 default Surveillance Station licenses\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003eSupports up to 285 IP cameras depending on codec, resolution, and configuration\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l3 level1 lfo4; tab-stops: list .5in;\"\u003e5-year warranty support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eCompatibility Note\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003ePlease check that your selected hard drives, SSDs, memory upgrades, expansion units, network interface cards, M.2 SSD adapter cards, and rack accessories are compatible with the Synology RS4021xs+ before ordering.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThis NAS supports \u003cb\u003e3.5\" SATA HDDs\u003c\/b\u003e and \u003cb\u003e2.5\" SATA SSDs\u003c\/b\u003e. Storage drives, SSDs, memory upgrades, expansion units, network cards, adapter cards, rack rail kits, and optional accessories are not included unless specifically stated by the seller.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eSynology notes that full functionality, reliability, and performance are only guaranteed for Synology drives listed on the compatibility list. Non-validated components may limit certain functionality and may affect system stability.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eFor memory expansion, please use compatible Synology memory modules for optimum compatibility and reliability. For multi-module memory configurations, all modules must be identical and share the same model number.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eSynology has the following optional accessories for this model: \u003cb\u003eRX1217 \/ RX1217RP expansion units\u003c\/b\u003e, \u003cb\u003eSynology DDR4 ECC UDIMM memory\u003c\/b\u003e, \u003cb\u003eSynology HAT5300 Series 3.5\" SATA HDDs\u003c\/b\u003e, \u003cb\u003eSynology SAT5200 Series 2.5\" SATA SSDs\u003c\/b\u003e, \u003cb\u003eE10M20-T1 M.2 SSD and 10GbE combo adapter card\u003c\/b\u003e, \u003cb\u003eM2D20 M.2 SSD adapter card\u003c\/b\u003e, \u003cb\u003eE25G30-F2 25GbE network interface card\u003c\/b\u003e, selected \u003cb\u003e10GbE network interface cards\u003c\/b\u003e, and \u003cb\u003eRKS-02 sliding rail kit\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eBefore ordering, please confirm:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo5; tab-stops: list .5in;\"\u003eYour selected drives are compatible with the Synology RS4021xs+\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo5; tab-stops: list .5in;\"\u003eYour selected SSDs are compatible with the Synology RS4021xs+\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo5; tab-stops: list .5in;\"\u003eYour selected memory modules are compatible with the Synology RS4021xs+\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo5; tab-stops: list .5in;\"\u003eYour selected expansion units are compatible with the Synology RS4021xs+\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo5; tab-stops: list .5in;\"\u003eYour selected network interface card or adapter card is compatible with the Synology RS4021xs+\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo5; tab-stops: list .5in;\"\u003eYour rack installation requirements and rail kit compatibility\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo5; tab-stops: list .5in;\"\u003eYour required storage capacity matches your intended use\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo5; tab-stops: list .5in;\"\u003eYour intended RAID, file system, backup, or storage setup\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo5; tab-stops: list .5in;\"\u003eYour network and device compatibility requirements\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo5; tab-stops: list .5in;\"\u003eYour intended DSM package and workload requirements\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo5; tab-stops: list .5in;\"\u003eWhether multiple drives are required for your intended RAID configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eWhat’s in the Box\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0in;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo6; tab-stops: list .5in;\"\u003eSynology RS4021xs+ main unit x1\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo6; tab-stops: list .5in;\"\u003eAccessory pack x1\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo6; tab-stops: list .5in;\"\u003eAC power cord x2\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo6; tab-stops: list .5in;\"\u003eQuick installation guide x1\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Synology","offers":[{"title":"Default Title","offer_id":42748335325246,"sku":"Synology RS4021xs+","price":124999.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/7119\/8782\/files\/RS4021xs__back_6.png?v=1777978466","url":"https:\/\/nexhive.net\/products\/synology-rs4021xs-plus","provider":"Nexhive South Africa","version":"1.0","type":"link"}