Western Digital 4TB Red 3.5" SATA 3 5400RPM 64MB Cache Hard Drive - Ultimate Tech

Western Digital 4TB Red 3.5" SATA 3 5400RPM 64MB Cache Hard Drive

WD40EFRX

Western Digital

  • $281.99
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Specifications

Interface 
SATA 6 Gb/s

Rotational Speed 
IntelliPower

Buffer Size 
64 MB

Transfer Rates
Buffer To Host (Serial ATA) 6 Gb/s (Max)

Formatted Capacity 
4,000,787 MB

Capacity 
4 TB

Form Factor 
3.5 Inch

User Sectors Per Drive 
7,814,037,168

MTBF 
1,000,000 hours

Dimensions
Height
26.1 mm
Depth
147 mm
Width
101.6 mm

Weight 
0.68 kg

Operating Shock (Read) 
65G, 2 ms

Non-operating Shock 
250G, 2 ms

Idle Mode 
25 dBA (average)

Seek Mode 
28 dBA (average)

Operating 
-0° C to 70° C

Non-operating 
-40° C to 70° C

Operating Humidity
5-95% RH non-condensing

Operating Vibration
0.004 g²/Hz (10 to 300 Hz)

Non-operating Vibration
0.05 g²/Hz (10 to 300 Hz)

Current Requirements
12 VDC
Read/Write 250 mA
Idle 230 mA
Standby 7 mA
Sleep 7 mA
5 VDC
Read/Write 280 mA
Idle 260 mA
Standby 105 mA
Sleep 105 mA

Power Dissipation
Read/Write 4.50 Watts
Idle 3.30 Watts
Standby 0.40 Watts
Sleep 0.40 Watts

Compatibility 
Windows/Mac/Linux

Warranty

3 Years


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