Page 10 : Our Verdict & Award, Full Specifications
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Our Verdict & Award
This is our second review of a helium-filled hard disk drive (after the 8TB WD Gold), and we continue to be impressed. Even from its specifications alone, we can already see a significant reduction in power consumption and noise levels. These are not minor either.
The 10TB WD Red (WD100EFAX) boasts 11% lower power consumption than the air-filled WD Red models at peak loads, and an astounding 46% lower power consumption during idle! It accomplished this despite packing 2-4 more platters than the other WD Red drives.
The platters of the 10TB WD Red (WD100EFAX) still spin at a relatively sedate 5400 RPM, but they have a very high areal density, boasting a storage capacity of 1.43 GB per platter. This high areal density gave it a very high throughput, allowing it to beat even the 8TB WD Gold, which has a spindle speed of 7200 RPM.
Our benchmarks show that it is one of the fastest hard disk drives in the market, beating even high-performance drives like the 6TB WD Black. This is very impressive performance for a 5400 RPM drive that is optimised for NAS systems.
The downside though is its high CPU utilisation. This is not a problem if you intend to use it in a relatively new NAS system, but it may be a problem if you pack more than two of them in an old NAS system with a slow processor. The high CPU utilisation will also be an issue if you intend to use this drive in your desktop PC.
Despite the high CPU utilisation, its stellar performance deserves our Reviewer’s Choice Award. Congratulations, Western Digital!
The 10TB WD Red Specifications
| Specifications | 10 TB WD Red NAS Hard Disk Drive |
|---|---|
| Model | WD100EFAX |
| Form Factor | 3.5 inch |
| Platter And Head Count | 7 Platters with 14 Read/Write Heads |
| Advanced Format Technology | Yes (512-byte emulation) |
| Formatted Capacity | 10 TB |
| Native Command Queuing | Yes |
| Interface | SATA 6 Gb/s |
| Spindle Speed | 5400 RPM |
| Sustained read / write performance | 210 MB/s (maximum) |
| Cache | 256 MB DDR3-1600 SDRAM |
| Average Power Consumption | Read / Write : 5.7 W Idle : 2.8 W |
| Temperature Rating | 0 to 65 °C (Operating) -40 to 70 °C (Non-Operating) |
| Shock Rating | Operating : 65 G (half-sine wave, 2 ms) Non-Operating : 250 G (half-sine wave, 2 ms) |
| Acoustics | Seek : 29 dBA (average) Idle : 20 dBA |
| Load / Unload Cycles | 600,000 |
| Non-Recoverable Read Errors per Bits Read | <1 in 1014 |
| MTBF (Maximum Time Before Failure) | 1,000,000 hours |
| Rated Workload (Per Year) | 180 TB |
| Warranty | 3 Years |
| Physical Dimensions | 101.6 mm (4.0") wide x 147.0 mm (5.787") long x 26.1 mm (1.028") high |
| Weight | 650 g (1.43 lbs) |
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