Processors  
Intel® Xeon® processors:
Single Quad-Core Intel Xeon Processor 5400 series at up to 3.33GHz
Single Quad-Core Intel Xeon Processor 3300 series at up to 2.83GHz

Intel® Core 2 Duo® processors:
Single Dual-Core Intel Core 2 Duo processor E6400 series at up to 2.13GHz
Single Dual-Core Intel Core 2 Duo processor E6300 series at up to 1.86GHz

Intel® Celeron® processors:
Single Intel Celeron processor 445 at up to 1.86GHz
 
  Memory 
Six ECC DDR-2 667 SDRAM DIMM sockets for up to 24GB5 of memory
 
  Operating Systems 
Factory Installed O/S:
Microsoft Windows®  Server 2008 SP2
Microsoft Windows®  Essential Business Server
Microsoft® Windows® Server 2008, Standard Edition
Microsoft® Windows® Server 2008, Enterprise Edition
Microsoft® Windows® Server 2008, x64 Standard Edition
Microsoft® Windows® Server 2008, x64 Enterprise Edition
Microsoft® Windows® Small Business Server 2008, Standard Edition
Microsoft® Windows® Small Business Server 2008, Premium Edition
Microsoft® Windows® Server 2003 R2, Standard Edition
Microsoft® Windows® Server 2003 R2, Enterprise Edition
Microsoft® Windows® Server 2003 R2, x64 Enterprise Edition
Microsoft® Windows® Server 2003 R2, x64 Standard Edition
Microsoft® Windows® Small Business Server 2003 R2, Standard Edition
Microsoft® Windows® Small Business Server 2003 R2, Premium Edition
Red Hat®  Linux®  Enterprise v5.3
Red Hat® Linux® Enterprise v5, ES x64
SUSE Linux Enterprise Server 9, x86-64
SUSE Linux Enterprise Server 10, x86-64
SUSE Linux Enterprise Server 11

Validated, but not factory installable:
Microsoft® Windows® Server 2003 SP1 and SP2, Standard Edition
Microsoft® Windows® Server 2003 SP1 and SP2, Enterprise Edition
Microsoft® Windows® Server 2003 SP1 and SP2, x64 Standard Edition
Microsoft® Windows® Server 2003 SP1 and SP2, x64 Enterprise Edition
Microsoft® Windows® Small Business Server 2003 SP1 and SP2, Standard Edition
Microsoft® Windows® Small Business Server 2003 SP1 and SP2, Premium Edition
Microsoft Windows®  Server 2008 x64 Small Business Standard Edition
Microsoft Windows®  Server 2008 x64 Small Business Standard Edition with OpenManage®  5.5 support
Microsoft Windows®  Server 2008 with HyperV
Novell®  SUSE®  Linux Enterprise Server 10 SP2
Red Hat® Linux® Enterprise v4, ES and ES x86-64
Red Hat® Linux® Enterprise v5, ES
Red Hat®  Linux®  Enterprise v5.2, ES and ES x86
Red Hat®  Linux®  Enterprise v5.2, ES
ES x86-64
 
  Storage 
Hard Drives:
500GB, 750GB2 and 1.0TB2 7.2K Nearline SAS Hard Disk Drives
73GB2 , 146GB2 and 300GB2 15K SAS Hard Disk Drives
400GB2 10K SAS Hard Disk Drives
160GB2 , 250GB2 , 500GB2 , 750GB2 and 1.0TB2 7.2K SATA Hard Disk Drives

Maximum Internal Storage:
4.0TB2 (4 x 1TB) SAS
4.0TB2 (4 x 1000GB) SATA

External Storage:
PowerVault MD1000 SAS external storage system
PowerVault MD3000/3000i Modular Disk Storage Array

Tape Drives:
PowerVault RD1000 Removable Disk Drive
PowerVault Autoloaders
PowerVault Tape Arrays
 
  Drive Bays 
4 x 3.5" cabled or hot-plug hard drive bays
Optional two 3.5" media bay for DVD-ROM, CD-RW/DVD combo drive, DVD+/-RW, and backup drives
VisionCore Tape Backup Software
 
  I/O 
5 total I/O slots
2 PCI Express x8 slots, 2 PCI Express x 4 slots, 1 PCI-X 64-bit/133MHz slot
 
  Drive Controllers 
Embedded SATA, Optional SAS 5/E
 
  RAID Controllers (optional) 
SAS 6i/R, PERC 6/E or PERC 6/I
 
  Communications 
2X embedded Gigabit6 NICs
Intel 10GbE 1 port PCIe x8 Base-T
 
  Chassis 
Form Factor: Tower chassis only. Dimensions for the chassis (with stand and metal bezel):
17.94" (45.57 cm) H
8.27" (21 cm) W
24.01" (61 cm) D
56.01 lbs (25.4 Kg)
 
  Ports 
Rear: 2 x Gigabit NIC ports, 2 x USB 2.0 ports, 1 x video connector, 1 x serial connector
Front: 2 x USB 2.0 ports
Internal: 1 x USB 2.0 ports
BCM 5709 GbE Dual Port -TOE IPV6
BCM 5709 GbE Dual Port -TOE IPV6 iSCSI Boot, with iSCSI Offload
 
  Power 
Single power supply (490W)
Optional redundant power supply (528W) -2 maximum
 
  Cooling 
Four dual motor Axial FAN modules positioned in front of the CPU and memory.
Two dual motor Axial FAN modules positioned in front of the Redundant PSU.
 
  Graphics 
Integrated ATI® ES1000 VGA Controller with 32MB memory
 
  Management 
Dell Systems Build and Update Utility CD included
Dell OpenManageTM  5.5 Server Administrator Software included
Standard BMC with IPMI 2.0 support
 
  Environmental 
Operating Temperature: 10º C to 35º C (50º F to 95º F)
Storage Temperature: -40º C to 65º C (-40º F to 149º F)
Operating Relative Humidity (non-condensing twmax=29C): 20% to 80% non-condensing
Maximum humidity gradient: 10% per hour, operational and non-operational conditions
Storage Relative Humidity: 5% to 95% non-condensing (twmax=38C)
Operating Vibration: 0.26G at 5Hz to 350Hz for 2 minutes
Storage Vibration: 1.54Grms Random Vibration at 10Hz to 250Hz for 15 minutes
Operating Shock: 1 shock pulse of 41G for up to 2ms
Storage Shock: 6 shock pulses of 71G for up to 2ms
Operating Altitude: -16 to 3,048m (-50 ft to 10,000 ft)
Storage Altitude: -16m to 10,600m (-50 ft to 35,000 ft)