Western Digital Ultrastar DC HC320 SATA Enterprise HDD 7200 RPM, 8 TB

£ 263.99  inc. vat

£ 219.99 ex. vat

Western Digital Ultrastar DC HC320 SATA Enterprise HDD 7200 RPM, 8 TB

QuickFind: 845615 Mfr part code: 0B36400
  • 8TB Capacity
  • 7200 RPM SAS
  • 5-year limited warranty

Product Description

Western Digital Ultrastar DC HC320 SATA Enterprise HDD 7200 RPM, 8 TB

As the industry evolves to develop purpose-built solutions for growing data storage requirements, IT managers continue to rely on lower capacity drives that are economical to acquire, yet deliver quick and reliable data access for traditional data center applications. Ultrastar 7K8 is an 8 TB HDD that helps address economic and access requirements of many traditional IT workloads. Lower capacity drives also help address architecture limitations. The Ultrastar 7K8 is designed for traditional storage and server applications as well as distributed and scalable computing, including block and file storage architectures, providing fast 7200 RPM performance and lower acquisition cost to help ease budget constraints.


  • Enterprise-class storage to rely on: Ultrastar is the top-end drive for data centres; with up to 2.5 million hours MTBF, Ultrastar drives deliver reliability and durability within the most demanding storage environments
  • All backed with a 5-year limited warranty
  • High workload rating: Ultrastar hard drives are designed with a workload rating up to 550 TB per year* - among the highest of any 3.5 Inch hard drive
  • *Workload rate is defined as the amount of user data transferred to or from the hard drive and will vary depending on your hardware and software components and configurations
  • HelioSeal technology: Featured in over 30 million Western Digital hard drives shipped*, HelioSeal technology allows for higher capacities and lower power on large storage arrays; * as of July 2018
  • HelioSeal technology is field-tested and proven to deliver high capacity, reliability and power efficiency you can trust; available on 10 TB capacities and above
  • Compatibility testing: All Ultrastar hard drives are extensively tested across a variety of popular OEM storage systems, SATA controllers and host bus adapters to ensure ease of integration for a plug and play solution

Technical Specification

Western Digital Ultrastar DC HC320 SATA Enterprise HDD 7200 RPM, 8 TB


Device Type Hard drive - internal
Capacity 8 TB
Form Factor 3.5"
Interface SAS 12Gb/s
Buffer Size 256 MB
Bytes per Sector 512
Features Rotational Vibration (RV) compensation technology, Secure Erase function, media caching technology, Rebuild Assist mode, non-volatile cache, advanced format 512e, 24x7 availability
Width 101.6 mm
Depth 147 mm
Height 26.1 mm
Weight 715 g


Drive Transfer Rate 1.2 GBps (external)
Internal Data Rate 255 MBps
Seek Time 8 ms (average)
Average Latency 4.16 ms
Spindle Speed 7200 rpm


MTBF 2,000,000 hours
24x7 Operation Yes
Non-Recoverable Errors 1 per 10^15
Load / Unload Cycles 600,000

Expansion & Connectivity

Interfaces 1 x SAS 12 Gb/s
Compatible Bay 3.5"


Power Consumption 12.8 Watt (typical) ¦ 8.4 Watt (idle)

Manufacturer Warranty

Service & Support Limited warranty - 5 years

Environmental Parameters

Min Operating Temperature 5 °C
Max Operating Temperature 60 °C
Min Storage Temperature -40 °C
Max Storage Temperature 70 °C
Shock Tolerance (operating) 70 g @ 2 ms half-sine wave
Shock Tolerance (non-operating) 300 g @ 2 ms half-sine wave
Vibration Tolerance (operating) 0.67 g @ 5-500 Hz
Vibration Tolerance (non-operating) 1.04 g @ 2-200 Hz

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Western Digital Ultrastar DC HC320 SATA Enterprise HDD 7200 RPM, 8 TB

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£ 263.99  inc. vat

£ 219.99 ex. vat

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