WESTERN DIGITAL WD4001FFSX RED PRO 4 TB 3.5 INTERNAL

Capacity

4 TB

Interface

SATA III 6 Gb/s

Form Factor

3.5"

Advanced Format (AF)

Yes

Native Command Queuing

Yes

RoHS Compliant

Yes

Data Transfer Rate

Buffer to Host: 6 Gb/s Host to / from Drive (sustained): 171 MB/s

Cache

64 MB

Rotational Speed

7200 rpm

Load/Unload Cycles

600,000

Non-Recoverable Read Errors Per Bits Read

<10 in 1015

MTBF

1,000,000 hours (for 8-16 bay NAS)

1.9 A

Average Power Requirements

Read/Write: 8.6 W Idle: 6.5 W Standby/Sleep: 0.6 W

Operating Temperature

Non-Operating Temperature

Shock

Operating (2 ms, read/write): 30 Gs Operating (2 ms, read): 65 Gs Non-Operating (2 ms): 300 Gs

Acoustics

Idle: 31 dBA Seek (average): 34 dBA

Dimensions

1.028 x 5.787 x 4.000" / 26.1 x 147.0 x 101.6 mm

Weight

1.66 lb / 0.75 kg

Package Weight

2 lb

Box Dimensions (LxWxH)

8.9 x 6.1 x 3"