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Synology HAT5310-20T 20TB 7200RPM SATA hard drive front label and side bracket detail
Synology HAT5310-20T 20TB 7200RPM SATA hard drive front label and side bracket detail
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Synology HAT5310-20T 20TB 7200RPM 512MB SATA Hard Drive

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Product Code: UDHO-4048

MPN #: HAT5310-20T

Product Condition: New

Running out of reliable storage for your growing data sets can halt your business, so you need a drive that never quits. The Synology HAT5310-20T 20TB 7200RPM 512MB SATA Hard Drive is a 20TB hard drive designed for Synology NAS, delivering fast, continuous performance for demanding 24-hour environments.

Usages of a 20TB Hard Drive

A 20TB hard drive fits seamlessly into any Synology NAS, giving you massive capacity for backups, media libraries, virtual machines and collaborative file sharing. It handles daily read/write cycles without slowing down, keeping your workflow smooth and your data instantly accessible.

Benefits of Synology Hard Drive
  • Reliable uptime: Engineered for 24x7 operation, it keeps your NAS running without interruption.
  • High capacity: 20 TB lets you store vast amounts of data on a single drive, reducing the need for multiple disks.
  • Fast transfer: Up to 281 MB/s sustained data transfer speeds speed up backups and restores.
  • Automatic updates: Firmware upgrades are applied through DSM, so the drive stays optimised without manual effort.
  • Long warranty: Backed by a 5-year limited warranty and technical support for peace of mind.

Synology Hard Drive Overview

Choosing this Synology hard drive means you benefit from tight integration with DSM, which extracts the full performance potential of the drive. The helium-sealed design lowers friction, improving efficiency and extending lifespan compared with standard air-filled drives. With an MTBF of 2,500,000 hours, the drive is built to survive the rigours of enterprise workloads while maintaining consistent speed.

The drive also supports a workload of 550 TB per year and includes a persistent write cache that protects data during sudden power loss. These features combine to give you a storage solution that is both high-performing and dependable, ideal for any business that cannot afford downtime.

Key Features of a 20TB Hard Drive
  • Capacity: 20 TB. Provides ample space for large datasets and media archives.
  • Spindle speed: 7200 RPM. Delivers quick access times for frequent read/write operations.
  • Cache: 512 MB. Improves data handling speed and reduces latency.
  • Interface: SATA 6 Gb/s. Ensures fast connectivity with modern NAS units.
  • Form factor: 3.5". Fits standard NAS drive bays without modification.
  • Dimensions: 1 in × 4 in × 5.8 in. Compact size for efficient rack utilisation.
  • Weight: 25.39 oz. Light enough for easy installation yet robust.
  • Power consumption: 4.38 W idle / 8.11 W average. Keeps energy costs low while delivering performance.
  • Operating temperature: 41 °F - 140 °F. Handles a wide range of environments safely.
  • Shock tolerance: 1960 g non-operating, 490 g operating. Protects against accidental drops and vibrations.

Specifications
Miscellaneous
Miscellaneous / MTBF2,500,000hours
Storage
Storage / TypeHard drive
Header
Header / Product LineSynology
Header / Packaged Quantity1
Dimensions & Weight
Dimensions & Weight / Height1in
Dimensions & Weight / Width4in
Dimensions & Weight / Depth5.8in
Dimensions & Weight / Weight25.39oz
Environmental Parameters
Environmental Parameters / Min Operating Temperature41 °F
Environmental Parameters / Max Operating Temperature140 °F
Environmental Parameters / Min Storage Temperature-40 °F
Environmental Parameters / Max Storage Temperature158 °F
Environmental Parameters / Shock Tolerance (non-operating)1960 g @ 2 ms
Environmental Parameters / Shock Tolerance (operating)490 g @ 2 ms
General
General / Capacity20 TB
General / Depth5.8 in
General / Width4 in
General / Weight25.39 oz
General / InterfaceSATA 6Gb/s
General / Device TypeHard drive - internal
General / Form Factor3.5"
General / FeaturesHelium Sealed-Drive Design, 512MB cache
General / Height1 in
Expansion & Connectivity
Expansion & Connectivity / Interfaces1 x SATA 6 Gb/s
Expansion & Connectivity / Compatible Bay3.5"
Performance
Performance / Spindle Speed7200 rpm
Reliability
Reliability / 24x7 OperationYes
Reliability / MTBF2,500,000 hours
Hard Drive
Hard Drive / Form Factor3.5"
Hard Drive / Spindle Speed7200rpm
Hard Drive / InterfaceSerial ATA-600
Hard Drive / Form Factor (Short)3.5"
Hard Drive / 24x7 OperationYes
Hard Drive / Form Factor (Short) (metric)8.9 cm
Hard Drive / Capacity20TB
Hard Drive / Hard Drive TypeInternal hard drive
Hard Drive / Form Factor (metric)8.9 cm
Power
Power / Power Consumption4.38 Watt (idle) ¦ 8.11 Watt (average)
Summary Details
HDD capacity20 TB
HDD speed7200 RPM
Storage drive buffer size512 MB
HDD size3.5"
InterfaceSerial ATA III
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