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 | Western Digital WD Ultrastar DC HA340 WUS721208BLE6L4 - hard drive - Data Centre - 8 TB - SATA 6Gb/s0B47078 £339.64 £407.57 inc VAT | Western Digital WD Red Plus WD100EFGX - Hard drive - 10 TB - internal - 3.5" - SATA 6Gb/s - 7200 rpm - buffer: 512 MBWD100EFGX £374.61 £449.53 inc VAT | |||
|---|---|---|---|---|---|
| General | |||||
| Buffer Size | 256 MB | 512 MB | 256 MB | 512 MB | — |
| Capacity | 8 TB | 16 TB | 8 TB | 18 TB | 10 TB |
| Depth | 147 mm | 147 mm | 147 mm | 147 mm | 147 mm |
| Device Type | Hard drive - internal | Hard drive - internal | Hard drive - internal | Hard drive - internal | Hard drive - internal |
| Features | Conventional magnetic recording (CMR), Low Power Management, NoTouch ramp load technology, Advanced Format technology | Advanced format 512e, advanced format 4Kn, 24x7 continuous operation, Triple State Actuator (TSA), Dynamic fly height technology, HelioSeal, Rotational Vibration (RV) sensor, Conventional magnetic recording (CMR), Energy-assisted PMR (ePMR) | 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 | Advanced format 512e, advanced format 4Kn, 24x7 continuous operation, Triple State Actuator (TSA), Dynamic fly height technology, HelioSeal, Rotational Vibration (RV) sensor, Conventional magnetic recording (CMR), Energy-assisted PMR (ePMR) | Native Command Queuing (NCQ), Advanced Format technology, NASware technology, 3D Active Balance Plus, 24x7 continuous operation, Conventional magnetic recording (CMR), workload up to 180 TB per year |
| Form Factor | 3.5" | 3.5" | 3.5" | 3.5" | 3.5" |
| Height | 26.1 mm | 26.1 mm | 26.1 mm | 26.1 mm | 26.1 mm |
| Interface | SATA 6Gb/s | SAS 12Gb/s | SATA 6Gb/s | SATA 6Gb/s | SATA 6Gb/s |
| Weight | 715 g | 690 g | 715 g | 690 g | 748 g |
| Width | 101.6 mm | 101.6 mm | 101.6 mm | 101.6 mm | 101.6 mm |
| Power | |||||
| Power Consumption | 5.2 Watt (read/write), 3.4 Watt (idle), 0.4 Watt (standby), 0.4 Watt (sleep) | 9.2 watt (typical), 5.7 watt (idle) | 8 watt (operating), 6.7 watt (idle) | 9.2 watt (typical), 5.7 watt (idle) | 8.8 watt (read/write), 6.1 watt (idle), 0.3 watt (standby), 0.3 watt (sleep) |
| Miscellaneous | |||||
| Compliant Standards | BSMI, ICES-003, FCC, Maghreb, RCM, UKCA, VCCI, TUV, UL, Directive 2011/65/EU, Directive 2015/863/EU | BSMI, ICES-003, NMB-003, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB Scheme, TUV, UL, Directive 2015/863, EU Directive 2011/65/EU | BSMI, ICES-003, NMB-003, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB Scheme, TUV, UL, Directive 2015/863, EU Directive 2011/65/EU | BSMI, ICES-003, NMB-003, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB Scheme, TUV, UL, Directive 2015/863, EU Directive 2011/65/EU | BSMI, ICES-003, NMB-003, FCC, KC, Maghreb, RCM, UKCA, VCCI, CB Scheme, TUV, UL |
| Reliability | |||||
| 24x7 Operation | — | Yes | Yes | Yes | Yes |
| Load / Unload Cycles | 300,000 | 600,000 | 600,000 | 600,000 | 600,000 |
| MTBF | — | 2,500,000 hours | 2,000,000 hours | 2,500,000 hours | 1,000,000 hours |
| Non-Recoverable Errors | 1 per 10^14 | 1 per 10^15 | 1 per 10^15 | 1 per 10^15 | 1 per 10^14 |
| Performance | |||||
| Average Latency | — | 4.16 ms | 4.16 ms | 4.16 ms | — |
| Drive Class | — | Data Centre | Data Centre | Data Centre | — |
| Drive Transfer Rate | 600 MBps (external) | 1.2 GBps (external) | 600 MBps (external) | 1.2 GBps (external) | 600 MBps (external) |
| Internal Data Rate | 215 MBps | 269 MBps | 267 MBps | 269 MBps | 260 MBps |
| Spindle Speed | 5640 rpm | 7200 rpm | 7200 rpm | 7200 rpm | 7200 rpm |
| Connections & Expansion | |||||
| Compatible Bay | 3.5" | 3.5" | 3.5" | 3.5" | 3.5" |
| Interfaces | 1 x SATA 6 Gb/s | 1 x SAS 12 Gb/s | 1 x SATA 6 Gb/s | 1 x SATA 6 Gb/s | 1 x SATA 6 Gb/s |
| Environmental Parameters | |||||
| Max Operating Temperature | 60 °C | 60 °C | 60 °C | 60 °C | 65 °C |
| Max Storage Temperature | 70 °C | 70 °C | 70 °C | 70 °C | 70 °C |
| Min Operating Temperature | 0 °C | 5 °C | 5 °C | 5 °C | 0 °C |
| Min Storage Temperature | -40 °C | -40 °C | -40 °C | -40 °C | -40 °C |
| Shock Tolerance (non-operating) | 250 g @ 2 ms | 250 g @ half-sine wave | 300 g @ 2 ms | 250 g @ half-sine wave | 250 g @ 2 ms |
| Shock Tolerance (operating) | 70 g @ 2 ms | 50 g @ 2 ms half-sine wave | 70 g @ 2 ms | 50 g @ 2 ms half-sine wave | 70 g @ 2 ms |
| Sound Emission | 24 dBA | 32 dBA | — | 32 dBA | — |
| Vibration Tolerance (non-operating) | — | 1.04 g @ 2-200 Hz | 1.04 g @ 2-200 Hz | — | — |
| Vibration Tolerance (operating) | — | 0.67 g @ 5-500 Hz | 0.67 g @ 5-500 Hz | — | — |
| Software / System Requirements | |||||
| OS Required | — | Microsoft Windows, Linux, Microsoft Windows Server | — | Microsoft Windows, Linux, Microsoft Windows Server | — |
| Software Included | Acronis True Image WD Edition | — | — | — | — |
| Operating System / Software | |||||
| OS Required | — | — | — | — | Windows 10 or later |
| Manufacturer Warranty | |||||
| Service & Support | Limited warranty - 2 years | Limited warranty - 5 years | Limited warranty - 5 years | Limited warranty - 5 years | Limited warranty - 3 years |
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