HP (Hewlett-Packard) DC7900 ユーザーズマニュアル
2.5” 7200 RPM Serial
ATA Hard Drives
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)
(Maximum)
Up to 3 Gb/s
Cache
8 MB
Seek Time (typical reads,
includes controller
overhead, including
settling)
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)
(Maximum)
Up to 3 Gb/s
Cache
8 MB
Seek Time (typical reads,
includes controller
overhead, including
settling)
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)
(Maximum)
Up to 3 Gb/s
Cache
8 MB
Seek Time (typical reads,
includes controller
overhead, including
settling)
includes controller
overhead, including
settling)
Single Track
2.0 ms
Average
12 ms
Full-Stroke
22 ms
QuickSpecs
HP Compaq dc7900 Business PC
Technical Specifications - Hard Drives
DA - 13029 Worldwide QuickSpecs — Version 9 — 1.9.2009
Page 34