WD |
WD40PURX |
WD30PURX |
WD20PURX |
WD10PURX |
Capacity |
4TB |
3TB |
2TB |
1TB |
Form factor |
3.5 Inch |
Interface |
SATA 6Gb/s |
User Sectors Per Drive |
7,814,037,168 |
5,860,533,168 |
3,907,029,168 |
1,953,525,168 |
Spin Speed |
IntelliPower |
Load/unload Cycles |
300,000 minimum |
Cache |
64MB |
Operating System |
Windows/Mac |
Length |
147 mm |
Width |
101.6mm |
Height |
26.1mm |
Typical Weight |
680g |
640g |
450g |
Temperature |
Operating: -0° C to 65° C |
Non-operating: -40° C to 70° C |
|
Shock |
Operating Shock: (Read) 65G, 2 ms |
Non-operating Shock: 250G, 2 ms |
|
Acoustics |
Idle Mode: 26 dBA (average) |
Seek Mode: 027 dBA (average) |
|
Idle Mode: 23 dBA (average) |
Seek Mode: 024 dBA (average) |
|
Idle Mode: 21 dBA (average) |
Seek Mode: 022 dBA (average) |
|
Power Dissipation |
Read/Write: 5.10 Watts |
Idle: 4.50 Watts |
Standby: 0.50 Watts |
Sleep: 0.50 Watts |
|
Read/Write: 4.40 Watts |
Idle: 4.10 Watts |
Standby: 0.60 Watts |
Sleep: 0.60 Watts |
|
Read/Write: 3.30 Watts |
Idle: 2.90 Watts |
Standby: 0.70 Watts |
Sleep: 0.70 Watts |
|