HP Dc7900 dc7900 manual GB Capacity 80,026,361,856 bytes Height 2.54 cm Width

Full-Stroke

7,200 RPM

156,301,488

Average

Full-Stroke

7,200 RPM

312,581,808

Average

QuickSpecs

HP Compaq dc7900 Business PC

Technical Specifications - Hard Drives

Seek Time (typical reads, Single Track includes controller

overhead, including settling)

Rotational Speed

Logical Blocks

0.9ms

9.3ms 18 ms

	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 RateUp to 3 Gb/s
	(Maximum)
	Buffer	8 MB

Seek Time (typical reads, Single Track includes controller

overhead, including settling)

Rotational Speed

Logical Blocks

2.0ms

9.3ms 21 ms

Operating Temperature 41° to 131° F (5° to 55° C)

10,000 RPM Serial ATA160 GB Hard Drives

80 GB

Capacity	160,041,885,696 bytes
Height	1 in (2.54 cm)
Width	Media diameter: 3.0 in (7.62 cm)
	Physical size: 4 in (10.2 cm)
Interface	Serial ATA (1.5 Gb/s), Native Command Queuing
	enabled
Synchronous Transfer RateUp to 3.0 Gb/s
(Maximum)
Cache	16 Mbytes
Seek Time (typical reads, Single Track		0.3 ms
includes controller	Average	4.6 ms
overhead, including
	Full-Stroke	10.2 ms
settling)
Rotational Speed	10,000 RPM
Logical Blocks	312,581,808

Operating Temperature41° to 131° F (5° to 55° C)

Capacity	80,026,361,856 bytes
Height	1 in (2.54 cm)
Width	Media diameter: 3.0 in (7.62 cm)
	Physical size: 4 in (10.2 cm)

DA - 13029 Worldwide QuickSpecs — Version 9 — 1.9.2009 Page 36