Seek Time
Seek TimeSeek Time
Seek Time
(typical reads,
includes controller
overhead, including
settling)
Single Track
Single TrackSingle Track
Single Track
2.0 ms
Average
AverageAverage
Average
12 ms
Full-Stroke
Full-StrokeFull-Stroke
Full-Stroke
22 ms
Rotational Speed
Rotational SpeedRotational Speed
Rotational Speed
7,200 rpm
Logical Blocks
Logical BlocksLogical Blocks
Logical Blocks
156,301,488
Operating Temperature
Operating TemperatureOperating Temperature
Operating Temperature
41° to 131° F (5° to 55° C)
3.5” 7200 RPM Serial
3.5” 7200 RPM Serial3.5” 7200 RPM Serial
3.5” 7200 RPM Serial
ATA Hard Drives
ATA Hard DrivesATA Hard Drives
ATA Hard Drives
500 GB
500 GB500 GB
500 GB
Capacity
CapacityCapacity
Capacity
500,107,862,016 bytes
Height
HeightHeight
Height
1 in (2.54 cm)
Width
WidthWidth
Width
Media diameter: 3.5 in (8.89 cm)
Physical size: 4 in (10.2 cm)
Interface
InterfaceInterface
Interface
Serial ATA (3.0 Gb/s)
Synchronous Transfer Rate
Synchronous Transfer RateSynchronous Transfer Rate
Synchronous Transfer Rate
(Maximum)
Up to 3 Gb/s
Buffer
BufferBuffer
Buffer
16 MB
Seek Time
Seek TimeSeek Time
Seek Time
(typical reads,
includes controller
overhead, including
settling)
Single Track
Single TrackSingle Track
Single Track
2.0 ms
Average
AverageAverage
Average
11 ms
Full-Stroke
Full-StrokeFull-Stroke
Full-Stroke
21 ms
Rotational Speed
Rotational SpeedRotational Speed
Rotational Speed
7,200 RPM
Logical Blocks
Logical BlocksLogical Blocks
Logical Blocks
976,773,168
Operating Temperature
Operating TemperatureOperating Temperature
Operating Temperature
41° to 131° F (5° to 55° C)
250 GB
250 GB250 GB
250 GB
Capacity
CapacityCapacity
Capacity
250,059,350,016 bytes
Height
HeightHeight
Height
1 in (2.54 cm)
Width
WidthWidth
Width
Media diameter: 3.5 in (8.89 cm)
Physical size: 4 in (10.2 cm)
Interface
InterfaceInterface
Interface
Serial ATA (3.0 Gb/s)
Synchronous Transfer Rate
Synchronous Transfer RateSynchronous Transfer Rate
Synchronous Transfer Rate
(Maximum)
Up to 3 Gb/s
Buffer
BufferBuffer
Buffer
8 MB
Seek Time
Seek TimeSeek Time
Seek Time
(typical reads,
includes controller
overhead, including
settling)
Single Track
Single TrackSingle Track
Single Track
1.0 ms
Average
AverageAverage
Average
8.5 ms
Full-Stroke
Full-StrokeFull-Stroke
Full-Stroke
18 ms
Rotational Speed
Rotational SpeedRotational Speed
Rotational Speed
7,200 RPM
Logical Blocks
Logical BlocksLogical Blocks
Logical Blocks
488,397,168
Operating Temperature
Operating TemperatureOperating Temperature
Operating Temperature
41° to 131° F (5° to 55° C)
160 GB
160 GB160 GB
160 GB
Capacity
CapacityCapacity
Capacity
160,041,885,696 bytes
Height
HeightHeight
Height
1 in (2.54 cm)
Width
WidthWidth
Width
Media diameter: 3.5 in (8.89 cm)
Physical size: 4 in (10.2 cm)
QuickSpecs
HP Compaq dc7900 Business PC
HP Compaq dc7900 Business PCHP Compaq dc7900 Business PC
HP Compaq dc7900 Business PC
Technical Specifications - Hard Drives
DA - 13029 North America — Version 15 — March 30, 2009
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