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| Fast facts |  
| Processor type | Intel® Xeon® Quad-Core E5550 processor ⢠2.66 GHz, 8 MB L2 cache8 MB L2 cache, 1333 MHz Front Side Bus
 |  
| Operating system installed | Windows XP ProfessionalĀ (available through downgrade rights fromGenuineĀ WindowsĀ® 7 Professional) |  
| Compatible operating systems | Red Hat Enterprise Linux WS 5 64-bit, Novell Suse SLED 11 |  
| Number of processors | 2 |  
| Chipset | IntelĀ® 5520 |  
| Memory | DDR3 1333 MHz ECC Unbuffered DIMMs |  
| Standard memory | 6 GB (6 x 1 GB) |  
| Maximum memory | 24 GB |  
| Memory slots | 6 DIMM slots |  
| Memory upgrade | Up to 24 GB |  
| Internal drives |  
| Internal drives | 300 GB |  
| Hard disk drive speed | 10000 rpm |  
| External drive bays | 2 external 5.25″ bays |  
| Optical drives | No Optical Drive |  
| Storage controller | Integrated 6 channel SATA 3 Gb/s controller with RAID (0, 1, 5 or 10) capability, optional SAS controller, LSI 3041E 4-port SAS/SATA, with RAID (0, 1 or 10) capability |  
| Flexible disk drive | No Floppy Disk Drive |  
| System features |  
| Form factor | Minitower, rack-mountable |  
| Graphic subsystem name | NVIDIA Quadro NVS 295 (first), NVIDIA Quadro NVS 295 (second) |  
| Graphic subsystem video card memory | 256 MB |  
| Expansion slots | 2 PCI Express Gen2 x16, 1 PCI Express Gen2 (x8 mechanically, x4 electrically), 1 PCI Express Gen1 (x8 mechanically, x4 electrically), 2 PCI |  
| Audio | Integrated High Definition Realtek ALC262 Audio, optional Creative X-Fi Titanium PCIe Audio Card, optional HP Thin USB Powered Speakers |  
| Network interface | Integrated Broadcom 5764 10/100/1000 PCIe LAN, optional Broadcom NIC, optional Intel NIC |  
| External I/O ports | Front: 3 USB 2.0, 1 microphone in, 1 headphone out, optional 1 IEEE 1394a; Rear: 6 USB 2.0, 1 audio in, 1 audio out, 1 microphone in, 2 PS/2, 1 RJ-45 to integrated Gigabit LAN, optional 1 serial; Internal: 3 USB 2.0 |  
| Power requirements | 650 watts wide-ranging, active Power Factor Correction, 85% efficient Power Supply |  
| Security management | HP Solenoid Hood Lock & Hood Sensor, optional Security Cable with Kensington Lock, optional HP Solenoid Lock |  
| Keyboard | HP USB Standard Keyboard |  
| Pointing device | HP USB 2-Button Optical Scroll Mouse |  
| Product dimensions (W x D x H) | 16.53 x 44 x 44.51 cm |  
| Product weight | Minimum configuration: 15 kg; Maximum configuration: 19 kg |  
| Display | HP LP1965 19-inch LCD Monitor, HP LP2065 20-inch LCD Monitor, HP LP2275w 22-inch Widescreen LCD Monitor, HP LP2475w 24-inch Widescreen LCD Monitor, HP DreamColor LP2480zx Professional Display (24-inch widescreen), HP LP3065 30-inch Widescreen LCD Monitor (all sold separately) |  
| Operating temperature range | 5 to 35° C |  
| Operating humidity range | 8 to 85% RH |  
| Non-operating humidity | 8 to 90% RH |  
| Non-operating altitude | 9,100 m |  
| Warranty | 3-year worldwide parts, labour and next business day onsite service; Terms and conditions may vary, restrictions apply |  | 
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