WD Red 4TB SATA 3.5" Internal Hard Drive WD40EFRX

64 MB Cache | 1,000,000hrs MTBF


RRP $289.00
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Maximum Order Quantity: 4
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WD RED 4TB 3.5 inch Internal  Hard Drive WD40EFRX: WD's Red 4TB HDD expands on the company's current offering with 33% more raw storage capacity than previously available in the same 3.5" form factor with a 6Gb/s SATA interface. The WD Red line also features 1TB, 2TB, and 3TB models, but now consumers and small businesses with one- to five-bay NAS units can install or upgrade to the full 4TB maximum, the most robust storage capacity in the industry.




Advanced Format (AF) Yes
Native Command Queuing Yes
RoHS Compliant Yes
Data Transfer Rate (max) Buffer to Host: 6 Gb/s
Host to/from drive (sustained): 150 MB/s
Cache 64 MB
Rotational Speed 5400 rpm
Load/Unload Cycles 600000
Non-Recoverable Read Errors per Bits Read <1 in 1014
Mean Time Between Failure (MTBF) 1,000,000 hours
Average Power Requirements Read/Write: 4.5 W
  Idle: 3.3 W
  Standby/Sleep: 0.4 W
Temperature Operating: 32 to 149°F / 0 to 65°C
  Non-Operating: -40 to 158°F / -40 to 70°C
Shock Operating (2 ms, read/write): 30 Gs
  Operating (2 ms, read): 65 Gs
  Non-Operating (2 ms): 250 Gs
Acoustics Idle: 25 dBA
  Seek (average): 28 dBA
Dimensions 1.028 x 5.787 x 4.000" / 26.111 x 146.990 x 101.600 mm
Weight 1.50 lb / 0.68 kg (± 10%)
Package Weight 1.50 lb
Box Dimensions (LxWxH) 8.8 x 6.1 x 2.9"
Model # WD40EFRX
Barcode # 00021111544788
Brand WD
Shipping Weight 0.5000kg
Shipping Width 0.150m
Shipping Height 0.030m
Shipping Length 0.100m
Shipping Cubic 0.000450000m3
Unit Of Measure ea
Type store

3 Years Limited Manufacturer Warranty

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