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Dell PowerEdge R905 Rack Server - System Overview


poweredge R905 rack server front of 5-bay 3.5-inch LFF chassis

The Dell R905 server offers a robust four-socket platform designed for database applications and extreme virtualization with support for virtualization software from the major manufacturers including VMware ESX, Citrix XenServer and Microsoft Hyper-V. This server also an excellent choice for migrating virtual machines to house on an x86 platform for a more flexible and affordable option when compared to a RISC a platform. This system is similar to the Dell PowerEdge R900 but supports AMD Opteron processors instead of using Intel Xeon processors.


The Broadcom HT-2100 or HT-1100 chipset supports up to four AMD Opteron 8000 series processors. The supported processors offer four to six cores each for up to 24 cores total with 6-core processors installed.


Up to 32 ECC DDR2 DIMM modules are supported on the system in a four processor configuration. Memory modules are housed in four individual risers that stack up on either side of the PCIe slots located in the middle of the system board. Each processor in turn supports eight memory modules. With all 32 slots loaded with 8GB modules, it will support up to 256GB of total memory. High availability features including, memory sparing and memory mirroring are available depending on your needs for speed and resiliency.


There are five drive trays on the front of the Dell R905 that can support a maximum of 5TB of internal storage, either SAS, SATA or nearline SAS. The five bays will support either five 3.5-inch drives or eight 2.5-inch drives. There is also a single optical drive located on the front of the system that can house an optional DVD-ROM, CD-RW, or DVD-RW. There are several HD RAID controllers supported on the system.


back of chassis

Seven PCIe slots are availalble on the R905 rack server in a four processor configuration and can be used for additional NICs, or RAID controllers. Video is handled by an integrated ATI Radeon ES1000 chip with 32MB of SDRAM. There are four embedded Broadcom Gigabit Ethernet NICs, plus other options for communications depending on which operating system you choose. Optional add-in 8GB HBAs and NICs are also supported for greater bandwidth. Power is supplied by dual redundant 1100W hot-plug PSUs.


Systems management on the PowerEdge R905 is handled by Dell's OpenManage suite of tools with remote management handled by a Baseboard Management Controller via network or serial port. iDRAC5 is optional. The system supports several operating systems and also supports several optional embedded hypervisors for VM management. A small diagnostic panel on the front of the system provides immediate system health status of critical components.


The PowerEdge R905 delivers very impressive performance at a price that's somewhat less than a similar generation server outfitted with intel Xeon processors. This is an excellent platform for a number of standard applications but also has features that are highly conducive to creating virtual machines. This 4U server is a natural for database support and extreme virtualization.

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Dell PowerEdge R905 Rack Server - Specifications

Processor - 4 Socket
    Up to Six-Core AMD Opteron™ Processors
Operating System
  • Microsoft® Windows® Essential Business Server 2008
  • Microsoft® Windows Server® 2008 SP2, x86/x64 (x64 includes Hyper-V™)
  • Microsoft® Windows Server® 2008 R2, x64 (includes Hyper-V™ v2)
  • Microsoft® Windows® HPC Server 2008
  • Novell® SUSE® Linux® Enterprise Server
  • Red Hat® Enterprise Linux®
  • Sun® Solaris™
  • Optional Embedded Hypervisor:

  • Citrix® XenServer™
  • VMware® vSphere™ 4.1 (including VMware ESX® 4.1 or VMware ESXi™ 4.1)
    Broadcom HT-2100 and HT-1100 server
    Up to 256GB
    32 DIMM slots: 512MB/1GB/2GB/4GB/8GB
    Single or Dual-Rank DIMM support
    ECC and SDDC technologies for system data integrity help prevent single or multi bit errors on DIMMs
    Spare Bank support for enhanced data protection in the event of a DRAM chip failure (requires 16 or 32 DIMMs populated)
Embedded Hypervisor (Optional)
  • Microsoft HyperV via Microsoft Windows Server 2008
  • VMware® vSphere™ 4.1 (including VMware ESX® 4.1 or VMware ESXi™ 4.1)
  • Citrix XenServer Dell Express Edition
  • Citrix XenServer Dell Enterprise Edition
    Hard Drives:

  • 2.5 6Gbs SAS (10K): 300GB, 600GB
  • 2.5 inch SAS (10K rpm): 73GB, 146GB
  • 2.5 inch SAS (15K rpm): 36GB, 73GB, 146GB
  • 3.5 inch SAS (10K rpm): 73GB, 146GB, 300GB, 400GB
  • 3.5 inch SAS (15K rpm): 73GB, 146GB, 300GB
  • Maximum Internal Storage:

  • Up to 2.0TB via five x 3.5” 400 GB hot-plug SAS hard drives
  • External Storage:

  • Disk Storage Options
    • Dell/EqualLogic PS5000 Series
    • PowerVault RD1000 disk-based backup system
    • PowerVault MD3000 Modular Disk Storage Array
    • PowerVault MD3000i iSCSI Disk Storage Array
    • PowerVault MD1000 SAS external storage system

    External Backup Options:

  • Libraries:
    • PowerVault TL2000 and TL4000 Compact Tape Libraries
    • PowerVault ML6000 Modular Tape Libraries
  • Autoloaders:
    • PowerVault 124T Autoloader
  • Single Drives:
    • PowerVault LTO Tape Drives
    • PowerVault Rackable Tape Drives
  • Backup and Recovery Software:
    • Symantec® Backup Exec™ 11d
    • Symantec Backup Exec Quickstart
    • Yosemite® Backup 8.1
    • CommVault® Galaxy® Express 6.1
Drive Bays
    2 hard drive base options:

  • 8 x 2.5” Hard Drive Option: up to 8 SAS HDs(10K/15K)
  • 5 x 3.5” Hard Drive Option: up to 5 SAS HDs(10K/15K)
  • 2.5” 500GB SATA
  • Peripheral bay options:

  • Slim optical drive bay with choice of DVD-ROM, Combo CD-RW/DVD-ROM, or DVD + RW
    7 PCIe G1 slots:

  • Two x8 slots
  • Five x4 slots
RAID Controller
  • PERC 6/I with 256MB of battery-backed cache
  • PERC 6/E with 256MB or 512MB of battery-backed cache
  • SAS 6/iR
  • SAS 5/E
    Four embedded Broadcom® NetXtreme II™ 5708 Gigabit Ethernet NICs with failover and load balancing TOE (TCPIP Offload Engine) supported on Microsoft® Windows® Server 2003, SP1 or higher with Scalable Networking Pack. iSCSI Offload supported on Microsoft® Windows® Server 2008, Microsoft Windows Server 2003 SP1 or higher, Red Hat® Linux® Enterprise 5, and SUSE LINUX Enterprise Server 10. Scalable Networking Pack for Microsoft Windows Server 2003 is not required.

    Optional add-in NICs:

  • Dual Port 10GB Enhanced Intel Ethernet Server Adapter X520-DA2 (FcoE Ready for Future Enablement)
  • Intel PRO/1000 PT Dual Port Server Adapter, Gigabit, Copper, PCI-E x4
  • Intel PRO/1000 PT Single Port Server Adapter, Gigabit, Copper, PCI-E x1
  • Intel PRO/1000 VT Quad Port Server Adapter, Gigabit, Copper, PCI-E x8
  • Intel PRO/1000 PF Single Port Server Adapter, Gigabit, Optical, PCI-E x4
  • Broadcom® NetXtreme™ 5722 Single Port Gigabit Ethernet NIC, Copper, PCI-E x1
  • Broadcom® NetXtreme II™ 5708 Single Port Gigabit Ethernet NIC w/TOE, Copper, PCI-E x4
  • Broadcom® NetXtreme II™ 5708 Single Port Gigabit Ethernet NIC w/TOE and iSCSI Offload, Copper, PCI-E x4
  • Intel Single Port Server Adapter, 10Gigabit, SR Optical, PCI-E x8
  • Broadcom® NetXtreme® II 57711 Dual Port Direct Attach 10Gb Ethernet PCI-Express Network Interface Card with TOE and iSCSI Offload
  • Intel® Gigabit ET Dual Port Server Adapter
  • Intel® Gigabit ET Quad Port Server Adapter
  • Broadcom 10GbE NIC, Broadcom Dual Port 10GbE SFP+
  • Brocade® CNA (1020) Dual Port Server Adapter
  • Optional add in HBAs:

  • Qlogic QLE 2462 Dual Port 4 Gbps Fiber Channel HBA
  • Qlogic QLE 220 Single Port 4 Gbps Fiber Channel HBA
  • Qlogic QLE 2460 Single Port 4 Gbps Fiber Channel HBA
  • Emulex LPe-1150-E PCI-e Single Port 4 Gbps Fiber Channel HBA
  • Emulex LPe-11002-E PCI-e Dual Port 4 Gbps Fiber Channel HBA
  • Emulex® OCE10102-IX-D CNA iSCSI HBA stand-up adapter
  • Brocade® FC4 and 8 GB HBAs
    Standard redundant 1100W hot-plug power supplies
    Auto-switching universal 110/220 Volts

    UPS (Uninterruptible Power supplies):

  • 1000W-5600W
  • 2700W-5600W High Efficiency Online
  • Extended Battery Module (EBM)
  • Network Management Card
  • Hot-plug hard drives
  • Hot-plug redundant power
  • Hot-plug redundant cooling
  • ECC memory
  • Spare Row
  • Single Device Data Correction (SDDC)
  • DRAC 5
  • Tool-less chassis
  • Cluster support
Graphics Card
    Embedded ATI ES1000 video controller
    4U Rack-mountable chassis
    Height: 17.27cm (6.8”)
    Width: 44.70cm (17.6”)
    Depth: 70.1cm (27.6”)
  • OpenManage™
  • Standard Baseboard Management Controller with IPMI 2.0 support
  • Optional DRAC 5 for advanced capabilities

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Get a quote for Dell PowerEdge R905 Rack Server

If you know what you want but can't find the exact configuration you're looking for, have one of our knowledgeable sales staff contact you. Give us a list of the components you would like to incorporate into the system, and the quantities, if more than one. We will get back to you immediately with an official quote.

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