HP XW8400 Quickspecs

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 xw8400 Workstation
Technical Specifications - Hard Drives
DA - 12522 North America — Version 28 — February 22, 2008 Page 42

HP XW8400 Specifications

General

Processor Speed	Up to 3.0 GHz
Chipset	Intel 5000X
Power Supply	800W
Form Factor	Tower
Processor	Intel Xeon (Dual-core or Quad-core)
Memory	Up to 32 GB DDR2
Storage	SATA or SAS Hard Drives
Graphics	NVIDIA Quadro
Expansion Slots	2 PCI Express x16, 2 PCI
Operating System	Windows XP Professional
Optical Drive	DVD-ROM
USB Ports	7 USB 2.0
Network	Integrated Gigabit Ethernet