Synology HAT5300-12T 12TB Enterprise 3.5" SATA HDD

At a Glance

• 12TB Synology Enterprise Series HDD
• High-capacity helium-sealed design
• 3.5-inch SATA 6Gb/s interface
• 7,200rpm
• Up to 254MB/s sustained data transfer
• 550TB/year workload rating
• 2.5 million-hour MTBF rating
• DSM-integrated firmware updates
• 5-Year Synology Limited Warranty

Important: Confirm exact HAT5300-12T compatibility with your Synology storage system before purchase.

Short Description

The Synology HAT5300-12T is a 12TB Enterprise Series hard drive engineered for demanding 24/7 Synology storage environments.

Its helium-sealed design, 7,200rpm performance, 550TB/year workload rating and five-year warranty make it a strong choice for enterprise RAID, business-critical storage, virtualisation, backup and large multi-user data environments.

Why Choose This Synology

Built for Heavy Enterprise Workloads

A 550TB/year workload rating makes the HAT5300-12T suitable for intensive storage environments where drives are expected to operate continuously.

12TB Enterprise Capacity

Twelve terabytes per drive provides substantial capacity for large RAID arrays and business storage systems.

2.5 Million-Hour MTBF Rating

Synology specifies a 2.5 million-hour MTBF rating for this capacity class, reflecting its enterprise-focused reliability design.

Designed and Tested with Synology Systems

Extensive validation helps ensure the drive, firmware and DSM work together as a complete storage platform.

Five-Year Warranty

The HAT5300-12T carries Synology's five-year Enterprise Series limited warranty.

Best For

• Enterprise RackStation systems
• XS and XS+ storage
• Large RAID arrays
• Enterprise backup
• Virtualisation storage
• Business-critical data
• Large shared file systems
• Surveillance environments
• High-demand 24/7 workloads

Product Description

The Synology HAT5300-12T is a 12TB Enterprise Series 3.5-inch SATA hard drive designed for demanding Synology storage deployments.

It uses a SATA 6Gb/s interface and operates at 7,200rpm, with a typical maximum sustained transfer speed of up to 254MB/s.

The 12TB model uses a helium-sealed drive design and includes a 256MB buffer.

Synology specifies a workload rating of 550TB transferred per year and an MTBF rating of 2.5 million hours.

The HAT5300 Series is designed for continuous enterprise workloads and undergoes extensive Synology compatibility and stress testing. Supported firmware updates can be applied directly through DSM.

Key Features

• 12TB Enterprise Series HDD
• 3.5-inch SATA form factor
• SATA 6Gb/s
• Helium-sealed drive design
• 7,200rpm
• Up to 254MB/s sustained transfer
• 550TB/year workload rating
• 2.5 million-hour MTBF
• Designed for 24/7 enterprise workloads
• DSM firmware integration
• 5-year warranty

What Do I Need With This Drive?

Required

• Compatible Synology NAS, storage server or expansion unit

Before Buying

Confirm:

• Exact Synology host system
• HAT5300-12T compatibility
• Supported firmware
• RAID configuration and required drive count

Compatibility

The HAT5300-12T is designed for compatible Synology enterprise and business storage systems.

Compatibility Note: Compatibility depends on the exact Synology host model and firmware. Always verify HAT5300-12T on Synology's current Compatibility List before purchase.

Specifications

What’s in the Box

• Synology HAT5300-12T 12TB Enterprise Hard Drive × 1

Warranty

5-Year Synology Limited Warranty

The warranty period starts from the purchase date stated on the purchase receipt.

Sustainability

• RoHS Compliant