Western Digital Red Plus WD40EFPX internal hard drive 3.5" 4000 GB Serial ATA III

Data sheet

Height

26.1 mm

Width

101.6 mm

Depth

147 mm

Weight

570 g

Type

HDD

HDD Capacity

4 TB

Storage temperature (T-T)

-40 - 70 °C

Operating temperature (T-T)

0 - 65 °C

Interface

Serial ATA III

Power consumption (standby)

0.3 W

Mean time between failures (MTBF)

1000000 h

Operating shock

70 G

Non-operating shock

250 G

24/7 operation

Yes

Component for

NAS

Power consumption (idle)

3.1 W

Native Command Queuing (NCQ)

Yes

Storage drive buffer size

256 MB

HDD interface transfer rate

6 Gbit/s

HDD speed

5400 RPM

Start/stop cycles

600000

HDD size

3.5"

Workload rate limit

180 TB/year

Noise level (idle)

23 dB

Hot-swap

No

Advanced Format (AF)

Yes