HP xw8400 Quickspecs page 42

QuickSpecs
Technical Specifications - Hard Drives
250 GB Capacity
(7,200 rpm)
Height
Width
Interface
Synchronous Transfer
Rate (Maximum)
Cache
Seek Time (typical reads,
includes controller
overhead, including
settling)
Rotational Speed
Logical Blocks
Operating Temperature
160 GB Capacity
(7,200 rpm)
Height
Width
Interface
Synchronous Transfer
Rate (Maximum)
Cache
Seek Time (typical reads,
includes controller
overhead, including
settling)
Rotational Speed
Logical Blocks
Operating Temperature
DA - 12522 North America — Version 28 — February 22, 2008
250,059,350,016 bytes
1 inches; 2.54 cm
Media diameter: 3.5 inches; 8.89 cm
Physical size: 4 inches; 10.2 cm
Serial ATA (3.0 Gb/s)
Native Command Queuing enabled (Model EA788AA only)
Up to 3.0 Gb/s
With NCQ (Model EA788AA):16 MB
Without NCQ (Model PY278AA): 8MB
Single Track
Average
Full-Stroke
7,200 rpm
488,397,168
41° to 131°F (5° to 55°C)
160,041,885,696 bytes
1 inches; 2.54 cm
Media diameter: 3.5 inches; 8.89 cm
Physical size: 4 inches; 10.2 cm
Serial ATA (3.0 Gb/s)
Serial ATA (3.0 Gb/s), Native Command Queuing enabled
8 MB
Single Track
Average
Full-Stroke
7,200 rpm
312,581,808
41° to 131°F (5° to 55°C)
HP xw8400 Workstation
1.0 ms
18.5 ms
18 ms
0.9 ms
9.3 ms
18 ms
Page 42