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Hard drive specifications
1-TB* 750-GB** 640-GB**
Dimensions
Height 12.7 mm 9.5 mm 9.5 mm
Length 100.2 mm 100.2 mm 100.2 mm
Width 69.9 mm 69.9 mm 69.9 mm
Weight 152 g 110 g 98 g
Interface type SATA (3 GB/sec) SATA (3 GB/sec) SATA
Transfer rate
Synchronous (maximum) 97 MB/sec 97 MB/sec 106 MB/sec
Security ATA security ATA security ATA security
Seek times (typical read, including setting)
Single track 2.0 ms 2.0 ms 1.5 ms
Average (read/write) 12/16 ms 12/16 ms 12/13 ms
Maximum 21 ms 21 ms 24 ms
Logical blocks 1,953,525, 168 1,465,149,168 1,250,263,728
Disk rotational speed 5400 RPM 7200 and 5400 rpm 7200 rpm
Operating temperature 0°C to 60°C (32°F to 140°F)
*1 TB = 1 trillion bytes when referring to hard drive storage capacity. Actual accessible capacity is less.
**1 GB = 1 billion bytes when referring to hard drive storage capacity. Actual accessible capacity is less.
NOTE: Certain restrictions and exclusions apply. Contact technical support for details.
Hard drive specifications
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