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7200 RPM Serial ATA
Hard Drives
500-GB
Capacity
500,107,862,016 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
16 MB
Seek Time
(typical
reads, includes
controller overhead,
including settling)
Single Track
2.0 ms
Average
11 ms
Full-Stroke
21 ms
Rotational Speed
7,200 RPM
Logical Blocks
976,773,168
Operating Temperature
41° to 131° F (5° to 55° C)
250-GB
Capacity
250,059,350,016 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
1.0 ms
Average
8.5 ms
Full-Stroke
18 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
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
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)
QuickSpecs
HP Compaq dc7800 Business PC
Technical Specifications - Hard Drives
DA - 12744 Worldwide QuickSpecs — Version 13 — 12.14.2007
Page 33