Quickspecs – HP XW6400X User Manual
Page 47
250 GB
(7,200 rpm)
Capacity
250,059,350,016 bytes
Height
1 inches; 2.54 cm
Width
Media diameter: 3.5 inches; 8.89 cm
Physical size: 4 inches; 10.2 cm
Interface
Serial ATA (3.0 Gb/s)
Native Command Queuing enabled (Model EA788AA only)
Synchronous Transfer
Rate (Maximum)
Up to 3.0 Gb/s
Cache
With NCQ (Model EA788AA):16 MB
Without NCQ (Model PY278AA): 8MB
Seek Time (typical reads,
includes controller
overhead, including
settling)
Single Track
1.0 ms
Average
18.5 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
(7,200 rpm)
Capacity
160,041,885,696 bytes
Height
1 inches; 2.54 cm
Width
Media diameter: 3.5 inches; 8.89 cm
Physical size: 4 inches; 10.2 cm
Interface
Serial ATA (3.0 Gb/s)
Synchronous Transfer
Rate (Maximum)
Serial ATA (3.0 Gb/s), Native Command Queuing enabled
Cache
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)
QuickSpecs
HP xw6400 Workstation
Technical Specifications - Hard Drives
DA - 12505 Canada — Version 27 — January 7, 2008
Page 47