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Interface
InterfaceInterface
Interface
Serial ATA (3.0 Gb/s)
Synchronous Transfer
Synchronous TransferSynchronous Transfer
Synchronous Transfer
Rate
RateRate
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
0.9 ms
Average
AverageAverage
Average
9.3 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
312,581,808
Operating Temperature
Operating TemperatureOperating Temperature
Operating Temperature
41° to 131° F (5° to 55° C)
80-GB
80-GB80-GB
80-GB
Capacity
CapacityCapacity
Capacity
80,026,361,856 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
Synchronous TransferSynchronous Transfer
Synchronous Transfer
Rate
RateRate
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
2.0 ms
Average
AverageAverage
Average
9.3 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
156,301,488
Operating Temperature
Operating TemperatureOperating Temperature
Operating Temperature
41° to 131° F (5° to 55° C)
10,000 RPM Serial ATA
10,000 RPM Serial ATA10,000 RPM Serial ATA
10,000 RPM Serial ATA
Hard Drives
Hard DrivesHard Drives
Hard Drives
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: 3.0 in (7.62 cm)
Physical size: 4 in (10.2 cm)
Interface
InterfaceInterface
Interface
Serial ATA (1.5 Gb/s), Native Command
Queuing enabled
Synchronous Transfer
Synchronous TransferSynchronous Transfer
Synchronous Transfer
Rate
RateRate
Rate
(Maximum)
Up to 3.0 Gb/s
Cache
CacheCache
Cache
16 Mbytes
Seek Time
Seek TimeSeek Time
Seek Time
(typical reads,
includes controller
overhead, including
settling)
Single Track
Single TrackSingle Track
Single Track
0.3 ms
Average
AverageAverage
Average
4.6 ms
Full-Stroke
Full-StrokeFull-Stroke
Full-Stroke
10.2 ms
Rotational Speed
Rotational SpeedRotational Speed
Rotational Speed
10,000 RPM
Logical Blocks
Logical BlocksLogical Blocks
Logical Blocks
312,581,808
Operating Temperature
Operating TemperatureOperating Temperature
Operating Temperature
41° to 131° F (5° to 55° C)
QuickSpecs
HP Compaq dc7800 Business PC
HP Compaq dc7800 Business PCHP Compaq dc7800 Business PC
HP Compaq dc7800 Business PC
Technical Specifications - Hard Drives
DA - 12744 North America — Version 25 — May 16, 2008
Page 44