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Silver 3.5-inch internal hard drive with label showing Ultrastar DC HC310 6TB

Western Digital

Western Digital Ultrastar DC HC310 6TB 7200 RPM SATA 6.0Gb/s 256MB 3.5" 0B36039

SKU CH-8B3R-5TC82 MPN 0B36039

A 3.5-inch 6TB SATA drive rated for 550TB per year with 7200 RPM and 256MB cache

  • Total capacity6 TB
  • Interface typeSATA 6.0Gb/s
  • Form factor3.5 in (8.89 cm)
  • Rotational speed7,200 RPM
  • Cache memory256 MB
  • Max height26.1 mm

Capacity 6TB

  • Built for heavy workloads with 550TB per year rating
  • Enterprise reliability with 2.5M hours MTBF
  • 7200 RPM speed and 256MB cache for responsive performance
  • SATA 6.0Gb/s interface for broad system compatibility
  • 5-inch form factor fits standard desktop and server bays

6 TB SATA Hard Drive

The Western Digital Ultrastar DC HC310 is a 3.5-inch internal hard drive built for enterprise storage workloads. It delivers 6 TB of capacity over a SATA 6.0Gb/s interface at 7200 RPM with a 256 MB cache. Designed for continuous 24x7x365 operation, it carries a workload rating up to 550 TB per year.

Suited For RAID And Server Arrays

This drive fits businesses and system builders who need high endurance in multi-drive environments. Rotational Vibration Safeguard technology helps maintain performance when installed alongside other drives. It is not suited for users who require a 2.5-inch form factor, a different interface, or capacities beyond 6 TB.

550 TB Annual Workload Rating

The key specification is the workload rating of up to 550 TB per year, roughly ten times that of typical desktop drives. This figure determines whether the drive can sustain the write volume demanded by enterprise applications.

How it compares

Measured against everything we stock in 3.5-Inch Internal Desktop HDDs, at today’s prices. Recalculated every night.

Price $182.99
Pricier than about 66% of the 4,938 comparable items (median $107.99).
Total capacity 6 TB
Higher than about 75% of the 2,372 comparable items (median 2 TB).
Price per TB $30.50 per TB
Cheaper than about 82% of the 2,365 comparable items (median $62.21 per TB).

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Specifications

Product
Brand nameWD
Product lineUltrastar DC HC310
Model name0B36039
Total capacity6 TB
Recommended useFor Enterprise Storage
Performance
Rotational speed7,200 RPM
Storage
Cache memory256 MB
Ports & slots
Interface typeSATA 6.0Gb/s
Size & build
Form factor3.5 in (8.89 cm)
Max height26.1 mm
Maximum width101.6 mm
Maximum length147 mm
Shipping weight0.71 kg
Package size198 × 142 × 39 mm

Other versions of this model

4 more in the same range

Questions about this item

Will the SATA 6.0Gb/s interface on this 3.5" drive work with my older motherboard that only has SATA 3.0Gb/s ports?

Yes, the SATA 6.0Gb/s interface is backward compatible with SATA 3.0Gb/s ports; the drive will operate at the lower 3.0Gb/s speed when connected to older controllers.

How can I verify the 7200 RPM spindle speed and 256MB cache are active after installation?

Check the drive details in your operating system's device manager or use a tool like CrystalDiskInfo; both will report the rotational speed and cache size as 7200 RPM and 256MB.

Does the 0B36039 include mounting screws or a SATA data cable, or must I buy them separately?

The drive is supplied as a bare OEM unit; mounting screws and a SATA data cable are not included and must be purchased separately.

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