Synology SNV5420-800G 800GB Enterprise M.2 NVMe SSD

At a Glance

• 800GB Enterprise Series M.2 NVMe SSD
• M.2 2280 form factor
• NVMe PCIe 3.0 x4
• Up to 3,000MB/s sequential read
• Up to 1,000MB/s sequential write
• Up to 400,000 random read IOPS
• Up to 70,000 random write IOPS
• Endurance greater than 1,400TBW
• Built-in power-loss protection
• 5-Year Synology Limited Warranty

Important: SSD compatibility depends on the exact Synology NAS and whether the SSD is installed internally or through a supported adapter card.

Short Description

The Synology SNV5420-800G is an 800GB Enterprise Series M.2 NVMe SSD engineered for demanding Synology storage environments.

With up to 3,000MB/s sequential read performance, 400,000 random read IOPS, enterprise endurance and power-loss protection, it is designed to accelerate storage workloads where low latency, consistent I/O performance and 24/7 reliability matter.

Why Choose This Synology

Designed Specifically for Synology Storage

SNV5400 Series SSDs undergo extensive validation with Synology hardware and DSM to provide consistent performance and reliability.

Accelerate Random I/O

Up to 400,000 random read IOPS helps improve responsiveness for workloads such as virtualisation, file indexing and heavily accessed shared data.

Enterprise Endurance

The 800GB model is rated for more than 1,400TB written, making it suitable for write-intensive cache workloads.

Power-Loss Protection

The SNV5400 Series includes power-loss protection designed to protect cached data during unexpected power interruptions.

Integrated DSM Management

Synology DSM provides drive-health analytics, firmware notifications and supported one-click firmware updates.

Best For

• NAS SSD cache
• Virtualisation workloads
• Business storage
• Database and application workloads
• File indexing
• High-I/O environments
• Enterprise RackStation systems
• Compatible DiskStation systems
• Synology M2D20 deployments

Product Description

The Synology SNV5420-800G is an 800GB M.2 2280 Enterprise Series NVMe SSD designed for compatible Synology storage systems.

It uses a PCIe 3.0 x4 NVMe interface and delivers up to 3,000MB/s sustained sequential read and 1,000MB/s sustained sequential write performance.

For random workloads, Synology specifies up to 400,000 sustained 4K random read IOPS and 70,000 sustained 4K random write IOPS.

Its endurance rating exceeds 1,400TBW, while built-in power-loss protection helps protect data during unexpected power interruptions.

The SSD can be deployed in supported Synology systems with internal M.2 slots or through compatible Synology M.2 adapter cards.

Key Features

• 800GB capacity
• M.2 2280
• NVMe PCIe 3.0 x4
• 3,000MB/s sequential read
• 1,000MB/s sequential write
• 400,000 random read IOPS
• 70,000 random write IOPS
• Greater than 1,400TBW endurance
• Power-loss protection
• DSM drive-health analytics
• One-click firmware updates
• 5-year warranty

What Do I Need With This SSD?

Required

One of the following:

• Compatible Synology NAS with an officially supported internal M.2 slot
• Compatible Synology E10M20-T1
• Compatible Synology M2D20
• Compatible Synology M2D18 where officially supported

Compatibility

Synology publishes separate exact-model compatibility lists depending on how the SNV5420-800G is installed:

• Internal M.2 SSD slot
• E10M20-T1
• M2D20
• M2D18

Compatibility Note: Do not assume that every Synology M.2 slot or adapter supports SNV5420-800G. Confirm the exact NAS, adapter and SSD combination against Synology's current Compatibility List.

Specifications

What’s in the Box

• Synology SNV5420-800G M.2 NVMe SSD × 1

Warranty

5-Year Synology Limited Warranty