QuickSpecs

7200 RPM Serial ATA Hard
Drives
500-GB Capacity 500,107,862,016 bytes
Height 1 in (2.54 cm)
Width Media diameter: 3.5 in (8.89 cm)
Physical size: 4 in (10.2 cm)
Interface Serial ATA (3.0 Gb/s)
Synchronous Transfer
Rate (Maximum)
Up to 3 Gb/s
Buffer 16 MB
Seek Time (typical reads,
includes controller
overhead, including
settling)
Single Track 2.0 ms
Average 11 ms
Full-Stroke 21 ms
Rotational Speed 7,200 rpm
Logical Blocks 976,773,168
Operating Temperature 41° to 131° F (5° to 55° C)
320-GB Capacity 320,072,933,376 bytes
Height 1 in (2.54 cm)
Width Media diameter: 3.5 in (8.89 cm)
Physical size: 4 in (10.2 cm)
Interface Serial ATA (3.0 Gb/s)
Synchronous Transfer
Rate (Maximum)
Up to 3 Gb/s
Buffer 16 MB
Seek Time (typical reads,
includes controller
overhead, including
settling)
Single Track 2.0 ms
Average 11 ms
Full-Stroke 21 ms
Rotational Speed 7,200 rpm
Logical Blocks 625,142,448
Operating Temperature 41° to 131° F (5° to 55° C)
250-GB Capacity 250,059,350,016 bytes
Height 1 in (2.54 cm)
Width Media diameter: 3.5 in (8.89 cm)
Physical size: 4 in (10.2 cm)
Interface Serial ATA (3.0 Gb/s)
Synchronous Transfer
Rate (Maximum)
Up to 3 Gb/s
Buffer 8 MB
Seek Time (typical reads,
includes controller
overhead, including
settling)
Single Track 2.0 ms
Average 11 ms
Full-Stroke 21 ms
QuickSpecs
HP Compaq dc5850 Business PC
Technical Specifications - Hard Drives
DA - 12900 EMEA — Version 23 — August 21, 2009 Page 36