HP QUICKSPECS DC7900 - Manual (Page 35)

ATA Hard Drives
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)
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 1.0 ms
Average 8.5 ms
Full-Stroke 18 ms
Rotational Speed 7,200 RPM
Logical Blocks 488,397,168
Operating Temperature 41° to 131° F (5° to 55° C)
160 GB Capacity 160,041,885,696 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 0.9 ms
Average 9.3 ms
Full-Stroke 18 ms
Rotational Speed 7,200 RPM
Logical Blocks 312,581,808
Operating Temperature 41° to 131° F (5° to 55° C)
80 GB Capacity 80,026,361,856 bytes
Height 1 in (2.54 cm)
Width Media diameter: 3.5 in (8.89 cm)
Physical size: 4 in (10.2 cm)
QuickSpecs
HP Compaq dc7900 Business PC
Technical Specifications - Hard Drives
DA - 13029 Worldwide QuickSpecs — Version 24 — 10/30/2009 Page 35