Compare Western Digital Internal HDD
Comparing 5 products side-by-side — specifications, pricing and stock. Showing Western Digital products in the Internal HDD category.
| Specification | Current product Western Digital WD Blue WD60EZAX - Hard drive - 6 TB - internal - 3.5" - SATA 6Gb/s - 5400 rpm - buffer: 256 MBWD60EZAX £221.29 £265.55 inc VAT | Western Digital WD Ultrastar DC HC310 HUS726T4TAL5204 - Hard drive - 4 TB - internal - 3.5" - SAS 12Gb/s - 7200 rpm - buffer: 256 MB0B36048 £231.36 £277.63 inc VAT | Western Digital WD Ultrastar DC HC320 HUS728T8TL5204 - Hard drive - 8 TB - internal - 3.5" - SAS 12Gb/s - 7200 rpm - buffer: 256 MB0B36400 £352.04 £422.45 inc VAT | Western Digital WD Ultrastar DC HA340 WUS721208BLE6L4 - hard drive - Data Centre - 8 TB - SATA 6Gb/s0B47078 £341.99 £410.39 inc VAT | |
|---|---|---|---|---|---|
| General | |||||
| Buffer Size | — | — | 512 MB | — | 256 MB |
| Capacity | — | — | 24 TB | — | 8 TB |
| Depth | — | — | 147 mm | — | 147 mm |
| Device Type | — | — | Hard drive - internal | — | Hard drive - internal |
| Features | — | — | HelioSeal, advanced format 512e, advanced format 4Kn, OptiNAND technology, ArmorCache Technology, 24x7 availability, Energy-Assisted Magnetic Recording (EAMR), Triple State Actuator (TSA), Conventional magnetic recording (CMR), Massive Scale Out (MSO) | — | Advanced format 512e, non-volatile cache, Dual Stage Actuator (DSA), Rotational Vibration (RV) compensation technology, Conventional magnetic recording (CMR), 24x7 continuous operation, NAS compatible, RAID ready |
| Form Factor | — | — | 3.5" | — | 3.5" |
| Height | — | — | 26.1 mm | — | 26.1 mm |
| Interface | — | — | SATA 6Gb/s | — | SATA 6Gb/s |
| Weight | — | — | 670 g | — | 715 g |
| Width | — | — | 101.6 mm | — | 101.6 mm |
| Power | |||||
| Power Consumption | — | — | 8.5 Watt (random read/write), 5.5 Watt (idle) | — | 8 watt (operating), 6.7 watt (idle) |
| Miscellaneous | |||||
| Compliant Standards | — | — | RoHS 2011/65/EU, RoHS 2015/863/EU, BSMI, ICES-003, NMB-003, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB Scheme, TUV, UL | — | BSMI, ICES-003, NMB-003, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB Scheme, TUV, UL, Directive 2015/863, EU Directive 2011/65/EU |
| Reliability | |||||
| 24x7 Operation | — | — | Yes | — | Yes |
| Load / Unload Cycles | — | — | 600,000 | — | 600,000 |
| MTBF | — | — | 2,000,000 hours | — | 2,000,000 hours |
| Non-Recoverable Errors | — | — | 1 per 10^15 | — | 1 per 10^15 |
| Performance | |||||
| Average Latency | — | — | 4.16 ms | — | 4.16 ms |
| Drive Class | — | — | — | — | Data Centre |
| Drive Transfer Rate | — | — | 600 MBps (external) | — | 600 MBps (external) |
| Internal Data Rate | — | — | 298 MBps | — | 267 MBps |
| Spindle Speed | — | — | 7200 rpm | — | 7200 rpm |
| Connections & Expansion | |||||
| Compatible Bay | — | — | 3.5" | — | 3.5" |
| Interfaces | — | — | 1 x SATA 6 Gb/s | — | 1 x SATA 6 Gb/s |
| Environmental Parameters | |||||
| Max Operating Temperature | — | — | 60 °C | — | 60 °C |
| Max Storage Temperature | — | — | 70 °C | — | 70 °C |
| Min Operating Temperature | — | — | 5 °C | — | 5 °C |
| Min Storage Temperature | — | — | -40 °C | — | -40 °C |
| Shock Tolerance (non-operating) | — | — | 200 g @ half-sine wave | — | 300 g @ 2 ms |
| Shock Tolerance (operating) | — | — | 40 g @ 2 ms half-sine wave | — | 70 g @ 2 ms |
| Vibration Tolerance (non-operating) | — | — | 1.04 gRMS @ 2-200 Hz | — | 1.04 g @ 2-200 Hz |
| Vibration Tolerance (operating) | — | — | 0.7 gRMS @ 5-500 Hz | — | 0.67 g @ 5-500 Hz |
| Software / System Requirements | |||||
| OS Required | — | — | Linux, Microsoft Windows Server, Microsoft Windows | — | — |
| Manufacturer Warranty | |||||
| Service & Support | — | — | Limited warranty - 5 years | — | Limited warranty - 5 years |
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