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  • WD Ultrastar DC HC520 HUH721212ALE604 - Hard drive - 12 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 256 MB
  • WD Ultrastar DC HC520 HUH721212ALE604 - Hard drive - 12 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 256 MB
  • WD Ultrastar DC HC520 HUH721212ALE604 - Hard drive - 12 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 256 MB
  • Western Digital Ultrastar He12 3.5" 12000 GB Serial ATA III

WD Ultrastar DC HC520 HUH721212ALE604 - Hard drive - 12 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 256 MB


 
Price: 359.50 Ex VAT ( 442.19 Inc VAT )
RRP: €458.49 (Save 22%)
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Product Specification

Product Code
4521919
Manufacturer Ref
0F30146
Barcode
5054444074764
Alternative Code(s)
IM-1413214
Hard Drive Type
Standard
Capacity
12TB
Brand
Western Digital
Interface
Serial ATA III

Product Details

- WD Ultrastar DC HC520 HUH721212ALE604 - Hard drive - 12 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 256 MB

Laying the foundation for a worry-free data center, Western Digital delivers the capacity to conquer the data explosion with the Ultrastar DC HC500 series of hard drives. The DC HC500 series is designed for public and private cloud environments.
  • HelioSeal Technology helps solve challenges facing next generation data centers
    Data centers are facing growing pressures. Data volume is expanding, operating costs are rising, yet budgets remain flat. Datacenter ready features like a second generation dual-stage actuator - the Western Digital Micro Actuator - enhance head-positioning accuracy to deliver better performance, data integrity and overall drive reliability, especially in multi-drive environments where operational vibration is present.
  • Data durability and data security to support compliance and privacy requirements
    As drive capacity grows beyond single-digit TBs, object storage systems with erasure coding provide better data durability compared to RAID systems, given its tolerance for simultaneous error conditions. Compliance and privacy requirements drive the need for increased data security. The Ultrastar DC HC520 offers security and encryption options to help protect data from unauthorized use, including TCG SAS models.

Specifications

General
Device TypeHard drive - internal
Capacity12 TB
Form Factor3.5"
InterfaceSATA 6Gb/s
Buffer Size256 MB
Bytes per Sector512
FeaturesDual Stage Actuator (DSA), Secure Erase function, HelioSeal, 24x7 continuous operation, Enhanced Rotational Vibration Safeguard (RVS), advanced format 512e, Dynamic fly height technology
Width101.6 mm
Depth147 mm
Height26.1 mm
Weight660 g
Performance
Drive Transfer Rate600 MBps (external)
Internal Data Rate255 MBps
Seek Time8 ms (average) / 8.6 ms (max)
Average Latency4.16 ms
Spindle Speed7200 rpm
Reliability
MTBF2,500,000 hours
24x7 OperationYes
Non-Recoverable Errors1 per 10^15
Load / Unload Cycles600,000
Expansion & Connectivity
Interfaces1 x SATA 6 Gb/s
Compatible Bay3.5"
Power
Power Consumption6.9 Watt (active) ¦ 5 Watt (idle)
Miscellaneous
Compliant StandardsRoHS 2011/65/EU
Manufacturer Warranty
Service & SupportLimited warranty - 5 years
Environmental Parameters
Min Operating Temperature5 °C
Max Operating Temperature60 °C
Min Storage Temperature-40 °C
Max Storage Temperature70 °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
Product Reviews

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WD Ultrastar DC HC520 HUH721212ALE604 - Hard drive - 12 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 256 MB