Specifications

Feature	Value	Comment
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
User Sectors Per Drive	488397168
English
Height	1.028 Inches
Depth	5.787 Inches
Width	4.00 Inches
Weight	1.52 Pounds
Metric
Height	26.1 mm
Depth	147 mm
Width	101.6 mm
Weight	0.69 kg
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
Current Requirements
Read/Write	6.80 Watts
Idle	6.10 Watts
Standby	0.70 Watts
Sleep	0.70 Watts
Product Specifications
Interface	SATA 6 Gb/s
Operating System
Compatibility	Windows/Mac
Release Date
First seen	8 December 2010

Western Digital Caviar Blue Sata 600 7200RPM 250GB 16MB (WD2500AAKX)