250GB SATAIII Caviar Blue 7200rpm 16MB

WD Caviar Blue 250 GB SATA Hard Drives ( WD2500AAKX)

 

Performance Specifications

 

Rotational Speed 7,200 RPM (nominal)

 

Buffer Size 16 MB

 

Load/unload Cycles 300,000 minimum

 

Transfer Rates

 

Transfer Rate (Buffer To Disk) 126 MB/s (Max)

 

Physical Specifications

 

Formatted Capacity 250,059 MB

 

Capacity 250 GB

 

Interface SATA 6 Gb/s

 

User Sectors Per Drive 488,397,168

 

Physical Dimensions

 

Metric

 

Height 26.1 mm

 

Depth 147 mm

 

Width 101.6 mm

 

Weight 0.69 kg

 

Environmental Specifications

 

Shock

 

Operating Shock (Read) 30G, 2 ms

 

Non-operating Shock 300G, 2 ms

 

Acoustics

 

Idle Mode 28 dBA (average)

 

Seek Mode 0 33 dBA (average)

 

Temperature (English)

 

Operating 32° F to 140° F

 

Non-operating -40° F to 158° F

 

Temperature (Metric)

 

Operating -0° C to 60° C

 

Non-operating -40° C to 70° C

 

Electrical Specifications

 

Current Requirements

 

Power Dissipation

 

Read/Write 6.80 Watts

 

Idle 6.10 Watts

 

Standby 0.70 Watts

 

Sleep 0.70 Watts

 

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