Compaq dc7800 - Page 34

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)
10,000 RPM Serial ATA
Hard Drives
160-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
Rate (Maximum)
Up to 1.5 Gb/s
Cache 16 Mbytes
Seek Time (typical
reads, includes controller
overhead, including
settling)
Single Track 0.3 ms
Average 4.6 ms
Full-Stroke 10.2 ms
Rotational Speed 10,000 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: 3.0 in (7.62 cm)
Physical size: 4 in (10.2 cm)
Interface Serial ATA (1.5 Gb/s), Native Command
Queuing enabled
Synchronous Transfer
Rate (Maximum)
Up to 1.5 Gb/s
Cache 16 Mbytes
Seek Time (typical
reads, includes controller
overhead, including
settling)
Single Track 0.3 ms
Average 4.6 ms
Full-Stroke 10.2 ms
Rotational Speed 10,000 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 Worldwide QuickSpecs — Version 13 — 12.14.2007 Page 34