The 10TB WD Red (WD100EFAX) Hard Disk Drive Review

Page 10 : Our Verdict & Award, Full Specifications

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!

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The 10TB WD Red Specifications

Specifications10 TB WD Red NAS Hard Disk Drive
ModelWD100EFAX
Form Factor3.5 inch
Platter And Head Count7 Platters with 14 Read/Write Heads
Advanced Format TechnologyYes (512-byte emulation)
Formatted Capacity10 TB
Native Command QueuingYes
InterfaceSATA 6 Gb/s
Spindle Speed5400 RPM
Sustained read / write performance210 MB/s (maximum)
Cache256 MB DDR3-1600 SDRAM
Average Power ConsumptionRead / Write : 5.7 W
Idle : 2.8 W
Temperature Rating0 to 65 °C (Operating)
-40 to 70 °C (Non-Operating)
Shock RatingOperating : 65 G (half-sine wave, 2 ms)
Non-Operating : 250 G (half-sine wave, 2 ms)
AcousticsSeek : 29 dBA (average)
Idle : 20 dBA
Load / Unload Cycles600,000
Non-Recoverable Read Errors per Bits Read14
MTBF (Maximum Time Before Failure)1,000,000 hours
Rated Workload (Per Year)180 TB
Warranty3 Years
Physical Dimensions101.6 mm (4.0") wide x 147.0 mm (5.787") long x 26.1 mm (1.028") high
Weight650 g (1.43 lbs)

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