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Product Comparison

Technical Specifications

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Feature

Brand: Western Digital|SKU: 0F30146

WD Ultrastar DC HC520 HUH721212ALE604 - hard drive - 12 TB - SATA 6Gb/s

£324.91

Stock: 3

Brand: Western Digital|SKU: 0B47743

WD Ultrastar DC HC555 - Hard drive - Data Centre - 14 TB - internal - 3.5" - SAS 12Gb/s - 7200 rpm - buffer: 512 MB

£341.81

Stock: 1

Brand: Western Digital|SKU: WD6004FRYZ

WD Gold WD6004FRYZ - hard drive - Enterprise - 6 TB - SATA 6Gb/s

£178.68

Stock: 7

Brand: Western Digital|SKU: WD100EAGZ

WD Blue - hard drive - 10 TB - SATA 6Gb/s

£235.79

Stock: 2

Brand: Western Digital|SKU: 0F48155

WD Ultrastar DC HC570 - Hard drive - 22 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 512 MB - for Intel Next Unit of Computing 13 Extreme Kit - NUC13RNGi7

£468.56

Stock: 2

General

Buffer Size

256 MB

—

256 MB

512 MB

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Bytes per Sector

—

512

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Capacity

12 TB

—

6 TB

10 TB

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Depth

147 mm

—

147 mm

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Device Type

Hard drive - internal

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Hard drive - internal

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Features

Dual Stage Actuator (DSA), Secure Erase function, HelioSeal, 24x7 continuous operation, Enhanced Rotational Vibration Safeguard (RVS), advanced format 512e, Dynamic fly height technology

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Enterprise Class Reliability, HelioSeal, advanced format 512e, vibration sensor, ArmorCache Technology

Conventional magnetic recording (CMR), Low Power Management, NoTouch ramp load technology, Advanced Format technology

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Form Factor

3.5"

—

3.5"

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Height

26.1 mm

—

26.1 mm

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Interface

SATA 6Gb/s

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SATA 6Gb/s

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Weight

660 g

—

715 g

750 g

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Width

101.6 mm

—

101.6 mm

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Power

Power Consumption

6.9 Watt (active), 5 Watt (idle)

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6.8 Watt (active), 5.5 Watt (idle)

8.8 Watt (read/write), 6.1 Watt (idle), 0.3 Watt (standby), 0.3 Watt (sleep)

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Miscellaneous

Compliant Standards

RoHS 2011/65/EU

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ROHS Directive 2015/863/EU, ROHS Directive 2011/65/EU

BSMI, ICES-003, FCC, Maghreb, RCM, UKCA, VCCI, TUV, UL, CB Scheme, NMB-003

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Reliability

24x7 Operation

Yes

—

Load / Unload Cycles

600,000

—

300,000

—

MTBF

2,500,000 hours

—

2,000,000 hours

—

Non-Recoverable Errors

1 per 10^15

—

1 per 10^14

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Performance

Average Latency

4.16 ms

—

Drive Class

—

Enterprise

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Drive Transfer Rate

600 MBps (external)

—

600 MBps (external)

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Internal Data Rate

255 MBps

—

267 MBps

260 MBps

—

Seek Time

8 ms (average) / 8.6 ms (max)

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Spindle Speed

7200 rpm

—

7200 rpm

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Connections & Expansion

Compatible Bay

3.5"

—

3.5"

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Interfaces

1 x SATA 6 Gb/s

—

1 x SATA 6 Gb/s

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Environmental Parameters

Max Operating Temperature

60 °C

—

60 °C

—

Max Storage Temperature

70 °C

—

70 °C

—

Min Operating Temperature

5 °C

—

5 °C

0 °C

—

Min Storage Temperature

-40 °C

—

-40 °C

—

Shock Tolerance (non-operating)

300 g @ 2 ms half-sine wave

—

300 g @ 2 ms half-sine wave

250 g @ 2 ms

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Shock Tolerance (operating)

70 g @ 2 ms half-sine wave

—

70 g @ 2 ms half-sine wave

70 g @ 2 ms

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Sound Emission

—

29 dBA

34 dBA

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Vibration Tolerance (non-operating)

1.04 g @ 2-200 Hz

—

Vibration Tolerance (operating)

0.67 g @ 5-500 Hz

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Software / System Requirements

OS Required

Linux, Microsoft Windows Server, Microsoft Windows

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Software Included

—

Acronis True Image WD Edition

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Manufacturer Warranty

Service & Support

Limited warranty - 5 years

—

Limited warranty - 5 years

Limited warranty - 2 years

—