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HP xw4550 Workstation
HP xw4600 Workstation
HP xw6600 Workstation
HP xw8600 Workstation
HP xw9400 Workstation
HP xw4550 Workstation HP xw4600 Workstation HP xw6600 Workstation HP xw8600 Workstation HP xw9400 Workstation
HP product rating
PerformanceGood
ExpandabilityBetter
ServiceabilityBest
Memory (max.)Good
Graphics VizualisationGood
PerformanceBetter
ExpandabilityBetter
ServiceabilityBest
Memory (max.)Better
Graphics VizualisationBetter
PerformanceBest
ExpandabilityBetter
ServiceabilityBest
Memory (max.)Better
Graphics VizualisationBetter
PerformanceBest
ExpandabilityBest
ServiceabilityBest
Memory (max.)Best
Graphics VizualisationBest
PerformanceBest
ExpandabilityBest
ServiceabilityBest
Memory (max.)Best
Graphics VizualisationBest
 HP product rating
Operating system installed Genuine Windows Vista® Business 32-bit,
Genuine Windows Vista® Business 64-bit,
Genuine Windows Vista® 32-bit downgrade to Genuine Windows XP Professional 32-bit,
HP Installer Kit for Linux		 Genuine Windows Vista® Business 32-bit,
Genuine Windows Vista® Business 64-bit,
Genuine Windows Vista® Business 32-bit downgrade to Genuine Windows XP Professional 32-bit,
Red Hat Enterprise Linux WS 4,
HP Installer Kit for Linux		 Genuine Windows Vista® Business 32-bit,
Genuine Windows Vista® Business 64-bit,
Genuine Windows Vista® Business 32-bit downgrade to Genuine Windows® XP Professional 32-bit,
Genuine Windows Vista® Business 64-bit downgrade to Genuine Windows® XP Professional 64-bit,
Red Hat Enterprise Linux® WS 4 64-bit		 Genuine Windows Vista® Business 32-bit,
Genuine Windows Vista® Business 64-bit,
Genuine Windows Vista® Business 32-bit downgrade to Genuine Windows® XP Professional 32-bit,
Genuine Windows Vista® Business 64-bit downgrade to Genuine Windows® XP Professional 64-bit,
Red Hat Enterprise Linux WS 4		 Genuine Windows XP Professional x32 Edition,
Genuine Windows XP Professional x64 Edition,
Genuine Windows Vista® 32-bit downgrade to Genuine Windows® XP Professional 32-bit,
Genuine Windows Vista® 64-bit downgrade to Genuine Windows® XP Professional 64-bit,
Red Hat Enterprise Linux® WS 4 (32/64-bit)		 Operating system installed
Processor AMD Opteron™ Processors 1212 / 1214 / 1216 / 1218 / 1220 / 1222 (2.0 to 3.0 GHz) Intel® Pentium Dual Core™ E2180 (2.00 GHz, 1 MB L2 cache, 800 MHz FSB), Core™2 Duo E4500/E6550/E6750/E6850 (2.20 to 3.00 GHz, 2 to 4 MB L2 cache, 800 to 1333 MHz FSB), Core™2 Quad Q6600/Q6700 (2.40 to 2.66 GHz, 8 MB L2 cache, 1066 MHz FSB), Core™2 Extreme QX6850 (2.93 GHz, 8 MB L2 cache, 1333 MHz FSB) One or two Dual Core Intel® Xeon® processors 5205 / 5240 / 5260 (1.86 to 3.33 GHz, 6 MB L2 cache, 1066 or 1333 MHz FSB), or, one or two Quad Core™ Intel® Xeon® processors 5405 / 5410 / 5420 / 5430 / 5440 / 5450 (2.00 to 3.00 GHz, 2x6 MB L2 cache 1333 MHz FSB) One or two Dual Core Intel® Xeon® processors 5205 / 5250 / 5260 (1.86 to 3.33 GHz, 6 MB L2 cache, 1066 03 1333 MHz FSB), or, one or two Quad Core™ Intel Xeon 5405 / 5410 / 5420 / 5430 / 5440 / 5450 / 5460 (2.00 to 3.16 GHz, 12 MB total L2 cache (2x6 MB shared)1333 MHz FSB) One or Two Dual Core AMD Opteron™ Processors 2210 / 2212 / 2214 / 2216 / 2218 / 2220SE / 2222SE / 2224SE (1.8 to 3.2 GHz) Processor
Cache 1 MB L2 cache 2 or 8 MB L2 cache 6 MB L2 cache for Dual Core; 2 x 6 MB L2 cache for Quad Core 6 or 12 MB L2 cache 1 MB L2 cache per core Cache
System bus 1 GHz AMD HypertransportTM technology Up to 1333 MHz Front Side Bus Up to 1333 MHz Front Side Bus Up to 1333 MHz Front Side Bus 1 GHz AMD HyperTransport™ technology System bus
Chipset AMD 690G with ATI Radeon X1250 Intel® X38 Express Intel® 5400 Intel® 5400 NVIDIA nForce Professional 3600 and NVIDIA nForce Pro 2050 Chipset
Memory type DDR-2 667 MHz ECC or non ECC unbuffered DDR-2 667 or 800 MHz ECC unbuffered DDR-2 667 MHz ECC fully buffered DDR-2 667 MHz ECC fully buffered DDR-2 667 MHz ECC Registered DIMMs Memory type
Memory slots 4 DIMM slots 4 DIMM slots 8 DIMM slots 8 to 16 DIMM slots 8 DIMM slots Memory slots
Maximum memory Up to 4 GB Up to 8 GB Up to 32 GB Up to 128 GB (with riser) Up to 64 GB Maximum memory
Hard disk drive Up to 2 SATA drives, 1000 GB maximum; 80, 160, 250, 500 GB (7200 rpm) Up to 4 SATA drives, 4 TB maximum, 80, 160, 250, 500, 1000 GB (7200 rpm) or 160 GB (10000 rpm); or up to 4 SAS drives, 1.2 TB maximum, 73, 146, 300 GB (15000 rpm) Up to 3 SATA drives, 3.0 TB maximum, 80, 160, 250, 500 or 1000MB (7200rpm) or 160MB (10000rpm); or up to 3 SAS drives, 73, 146 MB (10000 rpm, 2.5" SAS) or 73, 146, 300 GB (15000 rpm) Up to 2 SATA drives, 2.0 TB maximum, 80, 160, 250, 500 or 1000MB (7200rpm) or 80, 160MB (10000rpm), or 73, 146 MB (10000 rpm); or up to 3 SAS drives, 73,146 or 300 GB (15000 rpm) Up to 5 SATA drives 80, 160, 250, 500, 750 GB (7200 rpm) or 80,160 GB (10000 rpm); or up to 5 SAS drives 146, 300 GB (10000 rpm) or 73, 146, 300 GB (15000 rpm) Hard disk drive
Hard disk speed 7200 rpm From 7200 to 15000 rpm From 7200 to 15000 rpm From 7200 to 15000 rpm From 7200 to 15000 rpm Hard disk speed
External drive bays 3 external 5.25" bays and 1 external 3.5" bay for optional floppy drive 3 external 5.25" bays and 1 external 3.5" bay for optional floppy drive 2 external 5.25" bays and 1 external 3.5" bay for optional floppy drive 3 external 5.25" bays 3 external 5.25" bays External drive bays
Internal drive bays 2 internal 3.5” bays 2 internal 3.5" bays 2 internal 3.5” bays or 3 internal 2.5" bays 5 internal 3.5" bays 5 internal 3.5” bays Internal drive bays
Optical drives SATA 16X DVD-ROM, SATA 16X DVD+/-RW Supermulti with Lightscribe SATA 16X DVD-ROM, SATA CD-RW/DVD Combo, SATA 16X DVD+/-RW Supermulti with Lightscribe; 16 in 1 Media Card Reader (Occupies lowest Optical Bay) SATA 16X DVD-ROM, SATA 48X DVD/CD-RW Combo Drive, SATA DVD+/-RW Supermulti with Lightscribe SATA 16X/48X DVD-ROM, SATA 48X CD-RW/DVD Combo, SATA 16X DVD+/-RW Supermulti with Lightscribe 48X CD-ROM, 16X DVD-ROM, 48X CD-RW/DVD combo, 16X DVD+/-RW DL with Light Scribe Direct Disc Labeling Optical drives
Disk subsystem controller Integrated 4-channel SATA 3.0 Gb/s controller with NCQ and RAID 0 & 1 capability Integrated 6 channel SATA 3 Gb/s NCQ controller with RAID capability, optional 4 channel SAS controller with RAID capability Integrated SATA 3 Gb/s controller with RAID (0, 1,5) capability Integrated 6 channel SATA 3 Gb/s controller with RAID (0, 1,5, 10) capability, integrated 4 channel SAS controller with RAID (0, 1 or 10) capability Integrated 6 channel SATA 3 Gb/s controller with RAID capability, integrated 8 channel SAS controller with RAID capability Disk subsystem controller
Flexible disk drive Optional Floppy Optional floppy Optional floppy Optional floppy Optional floppy Flexible disk drive
Graphic card 01 Integrated Graphics : ATI Radeon X1250; Optional Graphic Cards, all PCI Express : Professional 2D: NVIDIA Quadro NVS 290 (256 MB); Entry 3D: NVIDIA Quadro FX 370 (256 MB), NVIDIA Quadro FX 570 (256 MB); Mid-range 3D: NVIDIA Quadro FX 1700 (512 MB), ATI FireGL V5600 (512 MB) Professional 2D: NVIDIA Quadro NVS 290 (256 MB, up to two cards), NVIDIA Quadro NVS 440; Entry 3D: NVIDIA Quadro FX 370 (256 MB, up to two cards), NVIDIA Quadro FX 570 (256 MB, up to two cards); Mid-range 3D: NVIDIA Quadro FX 1700 (512 MB,up to two cards), ATI FireGL V5600 (512 MB, up to two cards); High-end 3D: NVIDIA Quadro FX 3500 (256 MB); NVIDIA Quadro FX 4600 (768 MB). All cards are optional and are all PCI Express. Professional 2D: NVIDIA Quadro NVS 290 (256 MB, up to two cards), NVIDIA Quadro NVS 440 (256 MB, up to two cards); Entry 3D: NVIDIA Quadro FX 370 (256 MB, up to two cards), NVIDIA Quadro FX 570 (256 MB, up to two cards); Mid-range 3D: NVIDIA Quadro FX 1700 (512 MB, up to two cards), ATI FireGL V5600 (512 MB, up to two cards); High-end 3D: NVIDIA Quadro FX 4600 (768 MB). All cards are optional and are all PCI Express. Professional 2D: NVIDIA Quadro NVS 290 (256 MB with NVIDIA TurboCache technology, dual display); Entry 3D: NVIDIA Quadro FX 370 (256 MB), NVIDIA Quadro FX 570 (256 MB); Mid-range 3D: NVIDIA Quadro FX 1700 (512 MB); High-end 3D: NVIDIA Quadro FX 4600 PCI Express (768 MB); Ultra High-end 3D: NVIDIA Quadro FX 5600 (1,5 GB); All cards are optional and are all PCI Express Professional 2D: NVIDIA Quadro NVS 285 (128 MB); NVIDIA Quadro NVS 290 (256 MB); Entry 3D: NVIDIA Quadro FX 560 (128 MB); NVIDIA Quadro FX 570 (256 MB); Mid-range 3D: NVIDIA Quadro FX 1500 (256 MB); NVIDIA Quadro FX 1700 (512 MB); High-end 3D: NVIDIA Quadro FX 3500 (256 MB); NVIDIA Quadro FX 4600 (768 MB), NVIDIA Quadro FX 5500 (1GB), NVIDIA Quadro FX 5600 (1.5 GB). All cards are optional and are all PCI Express. Up to 2 cards supported, must be identical. Graphic card 01
Chassis Convertible minitower Convertible minitower, rack-mountable Minitower, rack-mountable
Minitower, rack-mountable Chassis
Expansion slot 4 slots: 1 PCI Express (x16) Graphics slot, 1 PCI Express (x4 mechanically, x1 electrically) slot, 2 full-height and full-length PCI slots 7 slots: 2 PCI Express (x16) Graphics slots, 1 PCI Express (x16 mechanically, x4 electrically), 1 PCI Express (x1) and 3 full-length legacy PCI slots 6 full length slots: 2 PCI Express (x16) Gen2 Graphics slots, 2 PCI Express (x8 mechanically, x4 electrically) slots, 2 legacy PCI slots 1 PCI slot, 1 PCI-X slot, 1 PCI Express (x1 or x8), 2 PCI Express (x8 mechanically, x4 electrically), 2 PCI Express x16 Gen2 graphics 7 slots: 2 PCI Express(PCIe) x16 graphics slots, 2 PCIe x16 (x8 electrically) slots, 2 full-height PCI-X slots, 1 full-length PCI slot Expansion slot
Internal audio Integrated HD Audio (Realtek ALC260) Integrated High Definition audio with Jack Retasking capability, optional PCI Sound Blaster X-Fi Xtreme Music High Definition Integrated Realtek ALC262 Audio. Optional Sound Blaster X-Fi XtremeGamer Audio Card Integrated high definition digital audio with Line in, Line Out, Microphone, Headphone Integrated High Definition audio with Jack Retasking capability, optional PCI Sound Blaster X-Fi Xtreme Music Internal audio
Network interface Integrated Broadcom 5755 Netxtreme Gigabit PCIe LAN Integrated Broadcom 5755 Netxtreme Gigabit PCIe LAN, optional Broadcom 5751 Netxtreme Gigabit PCIe Integrated Broadcom 5755 Netxtreme Gigabit PCIe LAN, optional Broadcom 5751 Netxtreme Gigabit PCIe, optional Intel Pro 1000 PT Gigabit Ethernet Controller PCIe Integrated dual Broadcom 5755 Gigabit Ethernet LoM, optional Broadcom 5751Gigabit Ethernet PCIe Integrated dual NVIDIA Gigabit 10/100/1000 LAN, optional Broadcom 5751 Gigabit PCIe NIC, optional Intel Pro/1000 GT Gigabit PCI NIC Network interface
I/O port Front: Headphone, microphone, 2 USB 2.0 and 1 optional IEEE 1394A; Rear: 6 USB 2.0, , 1 standard serial port, 1 RJ-45 to integrated Gigabit LAN, audio In, audio Out; 2 USB 2.0 (internal) Front: headphone, microphone, 2 USB 2.0 and 1 optional IEEE 1394A; Rear: 7 USB 2.0, 1 external SATA, 1 standard serial port, 1 parallel port, 2 PS/2 keyboard and mouse, 1 RJ-45 to integrated Gigabit LAN, audio In, audio Out, microphone; 2 USB 2.0 (internal) Front: headphone, microphone, 2 USB 2.0 and 1 optional IEEE 1394A; Rear: 5 USB 2.0, 1 optional serial port, 2 PS/2 keyboard and mouse, 1 RJ-45 to integrated Gigabit LAN, audio In, audio Out, microphone; 1 USB 2.0 (internal) Front: Headphone, microphone, and 2 USB 2.0, 1 IEEE 1394; Rear: 5 USB 2.0, 1 standard serial port, PS/2 keyboard and mouse, 1 RJ-45, 1 audio in, 1 audio out, 1 IEEE 1394; Internal: 1 USB 2.0 Front: Headphone, microphone, 2 USB 2.0 and 1 IEEE 1394; Rear: 6 USB 2.0, 1 standard serial 9-pin port, 1 IEEE 1394, PS/2 keyboard and mouse, 2 RJ-45 to integrated Gigabit LAN, 1 audio in, 1 audio out, 1 mic in; 2 USB 2.0 (internal) I/O port
Power requirements 300 watts wide-ranging, active Power Factor Correction, 80 Plus Efficient 475 watts wide-ranging, active Power Factor Correction, 80 Plus Efficient 650 watts wide-ranging, active Power Factor Correction, 80 Plus Efficient 800 or 1050 watts wide-ranging, active Power Factor Correction, 80 Plus Efficient 800 watts, wide-ranging, active Power Factor Correction Power requirements
Security management
HP Solenoid Hood Lock/Sensor Kit, Kensington Security Cable & Lock
HP Business PC Security Lock Kit, Kensington Security Cable & Lock
Security management
Keyboard USB Standard Keyboard HP Standard Keyboard (USB or PS/2) HP Standard Keyboard (USB or PS/2) HP Standard Keyboard (USB or PS/2) HP Standard Keyboard (USB or PS/2) Keyboard
Pointing device USB 2-button Optical Scroll Mouse, USB 3-button Optical Mouse 2-button scroll mouse (USB optical or PS/2) or 3-button mouse (USB optical) USB 2-button Optical Scroll Mouse, USB 3-button Optical Mouse, PS/2 2-Button Optical Scroll Mouse 2-button scroll mouse (USB optical or PS/2) or 3-button mouse (USB optical) 2-button scroll mouse (USB optical or PS/2 mechanical) or 3-button mouse (USB optical) or USB SpaceMouse or USB SpaceBall or USB SpacePilot Pointing device
Display features HP LP3065 30in Flat Panel Monitor, HP LP2465 24in Flat Panel Monitor, HP LP2065 20.1in Flat Panel Monitor, HP LP1965 19in Flat Panel Monitor (all sold separately) HP LP3065 30in Flat Panel Monitor, HP LP2465 24in Flat Panel Monitor, HP LP2065 20.1in Flat Panel Monitor, HP LP1965 19in Flat Panel Monitor (all sold separately) HP LP3065 30in Flat Panel Monitor, HP LP2465 24in Flat Panel Monitor, HP LP2065 20.1in Flat Panel Monitor, HP LP1965 19in Flat Panel Monitor (all sold separately) HP LP3065 30in Flat Panel Monitor, HP LP2465 24in Flat Panel Monitor, HP LP2065 20.1in Flat Panel Monitor, HP LP1965 19in Flat Panel Monitor (all sold separately)
Display features
Warranty 3-year worldwide parts, labour and next business day onsite service ; Terms and conditions may vary, restrictions apply 3-year worldwide parts, labour and next business day onsite service ; Terms and conditions may vary, restrictions apply 3-year worldwide parts, labour and next business day onsite service ; Terms and conditions may vary, restrictions apply 3-year worldwide parts, labour and next business day onsite service ; Terms and conditions may vary, restrictions apply 3-year worldwide parts, labour and next business day onsite service ; Terms and conditions may vary, restrictions apply Warranty



Certain Windows Vista product features require advanced or additional hardware. See http://www.microsoft.com/windowsvista/getready/hardwarereqs.mspx and http://www.microsoft.com/windowsvista/getready/capable.mspx for details. Windows Vista Upgrade Advisor can help you determine which features of Windows Vista will run on your computer. To download the tool, visit http://www.windowsvista.com/upgradeadvisor.

HP's WEEE registration number is WEE/EJ0076US This means that HP is a registered producer under the Waste Electrical and Electronic Equipment Regulations 2007. Read more about recycling your old IT equipment
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