QuickSpecs

HP 250-GB 3.5” Hard Disk Drive
HP 250-GB 3.5” Hard Disk DriveHP 250-GB 3.5” Hard Disk Drive
HP 250-GB 3.5” Hard Disk Drive
Capacity
CapacityCapacity
Capacity 250,059,350,016 bytes
Rotational Speed
Rotational SpeedRotational Speed
Rotational Speed 7,200 rpm
Interface
InterfaceInterface
Interface Serial ATA (SATA)
Synchronous Transfer Rate
Synchronous Transfer RateSynchronous Transfer Rate
Synchronous Transfer Rate
(Maximum)
Up to 3 GB/s (limited by the system SATA controller)
Buffer Size
Buffer SizeBuffer Size
Buffer Size 8 MB
Logical Blocks
Logical BlocksLogical Blocks
Logical Blocks 488,397,168
Seek Time
Seek TimeSeek Time
Seek Time (typical reads,
includes controller overhead,
including settling)
Single Track:
Single Track:Single Track:
Single Track: 1.0 ms
Average:
Average:Average:
Average: 8.5 ms
Full-Stroke:
Full-Stroke:Full-Stroke:
Full-Stroke: 18 ms
Height
HeightHeight
Height (nominal) 1 in/2.54 cm
Width
WidthWidth
Width (nominal) Media diameter: 3.5 in/8.89 cm
Physical size: 4 in/10.2 cm
Operating Temperature
Operating TemperatureOperating Temperature
Operating Temperature 41° to 131° F (5° to 55° C)
HP 320-GB 7.2K rpm SATA 3.0Gb/s 2.5" Hard Disk Drive
HP 320-GB 7.2K rpm SATA 3.0Gb/s 2.5" Hard Disk DriveHP 320-GB 7.2K rpm SATA 3.0Gb/s 2.5" Hard Disk Drive
HP 320-GB 7.2K rpm SATA 3.0Gb/s 2.5" Hard Disk Drive
Capacity
CapacityCapacity
Capacity 320,072,933,376 bytes
Rotational Speed
Rotational SpeedRotational Speed
Rotational Speed 7,200 rpm
Interface
InterfaceInterface
Interface Serial ATA 2.0 (3.0 Gb/s)
Buffer Size
Buffer SizeBuffer Size
Buffer Size 16 MB
Logical Blocks
Logical BlocksLogical Blocks
Logical Blocks 488,397,168
Seek Time
Seek TimeSeek Time
Seek Time (typical reads,
includes controller overhead,
including settling)
Single Track:
Single Track:Single Track:
Single Track: 2.0 ms
Average:
Average:Average:
Average: 12 ms
Full-Stroke:
Full-Stroke:Full-Stroke:
Full-Stroke: 22 ms
Height
HeightHeight
Height (nominal) 0.374 in/9.5 mm
Width
WidthWidth
Width (nominal) Media diameter: 2.5 in/63.5 mm
Physical size: 2.75 in/70 mm
Operating Temperature
Operating TemperatureOperating Temperature
Operating Temperature 41° to 131° F (5° to 55° C)
QuickSpecs
HP Compaq 4000 Pro Series
HP Compaq 4000 Pro SeriesHP Compaq 4000 Pro Series
HP Compaq 4000 Pro Series
Technical Specifications - Hard Drives
DA - 13860 Worldwide — Version 9 — September 30, 2011 Page 31