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)
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
9.3 ms
Full-Stroke
21 ms
Rotational Speed
7,200 RPM
Logical Blocks
156,301,488
Operating Temperature
41° to 131° F (5° to 55° C)
QuickSpecs
HP Compaq dc7800 Business PC
Technical Specifications - Hard Drives
DA - 12744 North America — Version 33 — October 29, 2008
Page 44