Specifications

240GB

120GB

Model Numbers

2

WD Green SSD 2.5”/7mm cased

WDS240G1G0A

WDS120G1G0A

WD Green SSD M2 2280

WDS240G1G0B

WDS120G1G0B

Interface

1, 3

WD Green SSD 2.5”/7mm cased

SATA III 6 Gb/s

SATA III 6 Gb/s

WD Green SSD M2 2280

SATA III 6 Gb/s

SATA III 6 Gb/s

Performance

4

[4KB QD32]

Sequential Read up to (MB/s)

540

540

Sequential Write up to (MB/s)

465

430

Random Read up to (IOPS)

37k

37k

Random Write up to (IOPS)

68k

63k

Endurance (TBW)

5

80

40

Power

6

Average Active Power (mW)

6

50

50

Max Read Operating (mW)

2000

2000

Max Write Operating (mW)

2500

2000

Slumber (mW)

30

30

DEVSLP (mW)

3

3

Reliability

MTTF

7

Up to 1.75M hours

Up to 1.75M hours

Environmental

Operating Temperatures

0°C to 70°C

0°C to 70°C

Non-operating Temperatures

-55°C to 85°C

-55°C to 85°C

Operating Vibrations

5.0 gRMS, 10-2000 Hz

5.0 gRMS, 10-2000 Hz

Non-operating Vibrations

4.9 gRMS, 7-800 Hz

4.9 gRMS, 7-800 Hz

Shock

1,500 G @ 0.5 msec half sine

1,500 G @ 0.5 msec half sine

Certifications

FCC, UL, TUV, KC, BSMI, VCCI

FCC, UL, TUV, KC, BSMI, VCCI

Limited Warranty

8

3 years

3 years

Physical Dimensions

Size: 2.5”/7mm cased

7.00mm x 69.85mm x 100.50mm

7.00mm x 69.85mm x 100.50mm

Size: M.2 2280

2.23mm x 22.0mm x 80mm

2.23mm x 22.0mm x 80mm

Weight: 2.5”/7mm cased

32.0g, ± 0.5g

32.0g, ± 0.5g

Weight: M.2 2280

± 6.51g

± 6.46g