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Western Digital 250GB RE4 3.5" Serial ATA II
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(0808 189 1246)
Hard drive
Average latency
4.2 ms
Bytes per sector
512
HDD number of heads
1
Mean time between failures (MTBF)
1200000 h
HDD speed
7200 RPM
HDD size
3.5"
HDD capacity
250 GB
Features
Interface
Serial ATA II
Average latency
4.2 ms
Bytes per sector
512
HDD number of heads
1
Mean time between failures (MTBF)
1200000 h
HDD speed
7200 RPM
HDD size
3.5"
HDD capacity
250 GB
Storage drive buffer size
64 MB
Power
Operating voltage
5 / 12 V
Power consumption (standby)
0.7 W
Power consumption (write)
7.9 W
Power consumption (read)
7.9 W
Power consumption (idle)
5.9 W
Operational conditions
Operating temperature (T-T)
0 - 60 °C
Storage temperature (T-T)
-40 - 70 °C
Operating shock
65 G
Non-operating shock
300 G
Ports & interfaces
FireWire 800
No
FireWire 400
No
Network
Ethernet LAN
No
Technical details
Operating voltage
5 / 12 V
Interface
Serial ATA II
Mean time between failures (MTBF)
1200000 h
USB powered
No
Operating temperature (T-T)
32 - 140 °F
Fibre Channel
No
Drive device- transfer rate
128 MB/s
Internal
Yes
Cartridge load/Unload cycles
600000
Weight & dimensions
Width
101.6 mm
Weight
730 g
Height
25.4 mm
Depth
147 mm
Weight (imperial)
0.73 kg (1.61 lbs)
Dimensions (W x D x H) (imperial)
101.6 x 144.8 x 25.9 mm (4 x 5.7 x 1.02")
Other features
Operating voltage
5 / 12 V
Interface
Serial ATA II
Ethernet LAN
No
USB powered
No
Operating temperature (T-T)
32 - 140 °F
FireWire 800
No
FireWire 400
No
Fibre Channel
No
Drive device- transfer rate
128 MB/s
Internal
Yes
Acoustic pressure emissions
29 dB
Weight (imperial)
0.73 kg (1.61 lbs)
Western Digital 250GB RE4 3.5" Serial ATA II
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