HP QUICKSPECS DC7900 - Manual (Page 34)

2.5” 7200 RPM Serial
ATA Hard Drives 250 GB Capacity 250,059,350,016 bytes
Height (Nominal) 0.374 in (9.5 mm)
Width (Nominal) Media diameter: 2.5 in (63.5 mm)
Physical size: 2.75 in (70 mm)
Interface Serial ATA (3.0 Gb/s)
Synchronous Transfer
Rate (Maximum) Up to 3 Gb/s
Cache 8 MB
Seek Time (typical
reads, includes controller
overhead, including
settling) Single Track 2.0 ms
Average 12 ms
Full-Stroke 22 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 (Nominal) 0.374 in (9.5 mm)
Width (Nominal) Media diameter: 2.5 in (63.5 mm)
Physical size: 2.75 in (70 mm)
Interface Serial ATA (3.0 Gb/s)
Synchronous Transfer
Rate (Maximum) Up to 3 Gb/s
Cache 8 MB
Seek Time (typical
reads, includes controller
overhead, including
settling) Single Track 2.0 ms
Average 12 ms
Full-Stroke 22 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 (Nominal) 0.374 in (9.5 mm)
Width (Nominal) Media diameter: 2.5 in (63.5 mm)
Physical size: 2.75 in (70 mm)
Interface Serial ATA (3.0 Gb/s)
Synchronous Transfer
Rate (Maximum) Up to 3 Gb/s
Cache 8 MB
Seek Time (typical
reads, includes controller
overhead, including
settling) Single Track 2.0 ms
Average 12 ms
Full-Stroke 22 ms
Rotational Speed 7,200 rpm
Logical Blocks 156,301,488
Operating Temperature 41° to 131° F (5° to 55° C)
3.5” 7200 RPM Serial
ATA Hard Drives 500 GB Capacity 500,107,862,016 bytes
QuickSpecs
HP Compaq dc7900 Business PC
Technical Specifications - Hard Drives
DA - 13029 Worldwide QuickSpecs — Version 24 — 10/30/2009 Page 34