PowerEdge R905 Rack Server

Intel® Xeon™

Server Solution

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PowerEdge R905 Rack Server

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  • AMD Opteron™ Processors Options

    Up to Six-Core AMD Opteron™ Processors


  • Up to 256GB (32 DIMM slots): 512MB/1GB/2GB/4GB/ 8GB ECC DDR2 SDRAM

    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)

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


  • 4U Rack-mountable chassis
    27.6" (70.1cm) D x 17.6" (44.70cm) W x 6.8" (17.27cm) H
    Rack Weight 92lbs (37Kg), maximum configuration

    Rack Support:

    4-post (Dell rack), 3rd party Versa rails, sliding rails and Cable Management Arm


  • 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

RAID Controllers

  • 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


  • Broadcom HT-2100 and HT-1100 server



  • 7 PCIe G1 slots:

    Two x8 slots
    Five x4 slots
  • OpenManage™
    Standard Baseboard Management Controller with IPMI 2.0 support
    Optional DRAC 5 for advanced capabilities

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


  • 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

Video Card

  • Embedded ATI ES1000 video controller

Environmental Operating Conditions

  • Temperature

    Operating 10° to 35°C (50° to 95°F) with a maximum temperature gradation of 10°C per hour
    Note: For altitudes above 2950 feet, the maximum operating temperature is derated 1ºF/550 ft.

    Storage –40° to 65°C (–40° to 149°F) with a maximum temperature gradation of 20°C per hour

    Relative humidity

    Operating 20% to 80% (noncondensing) with a maximum humidity gradation of 10% per hour
    Storage 5% to 95% (noncondensing) with a maximum humidity gradation of 10% per hour

    Maximum vibration

    Operating 0.26 Grms at 5–350 Hz in operational orientations
    Storage 1.54 Grms at 10–250 Hz in all orientations

    Maximum shock

    Operating - One shock pulse in the positive z axis (one pulse on each side of the system) of 31 G for 2.6 ms in the operational orientation
    Storage - Six consecutively executed shock pulses in the positive and negative x, y, and z axes (one pulse on each side of the system) of 71 G for up to 2 ms


    Operating –16 to 3048 m (–50 to 10,000 ft)
    NOTE: For altitudes above 2950 feet, the maximum operating temperature is derated 1ºF/550 ft.

    Storage –16 to 10,600 m (–50 to 35,000 ft)
Architected and Designed for Virtualization Performance

Architected for Performance, Virtualization Ready

The Dell™ PowerEdge™ R905 was designed for architected performance and streamlined virtualization deployment. It’s fine-tuned to provide virtualization performance with an ideal formula of processor technology, memory capacity, and I/O scalability. Featuring up to 2x the memory and I/O scalability of the previous generation standard 4U 4-socket servers, the PowerEdge R905 helps remove the barriers to running memory and I/O-bound applications like VMware’s ESX server. The PowerEdge R905 also allows you to start migrating real virtual machines within a few clicks of a mouse, streamlining deployment in virtualized environments.

Dell’s virtualization strategy is to help you manage your infrastructure with the tools you already have, which is why we work with industry leaders to deliver an integrated solution for managing physical and virtual infrastructures.

Learn More about Dell’s Virtualization Solutions
Smarter Path to Virtualization

End to End Solution

A smart foundation designed to deliver exceptional performance the competition can’t beat. From initial design and deployment to on-going support, Dell is focused on eliminating unnecessary steps in managing your virtual infrastructure. Dell offers fixed-scope services that can deliver the expertise you need when and where you need it, to help you quickly and efficiently deploy an optimized virtual infrastructure.

Dell’s server and storage platforms are engineered for virtual environments to help provide an optimal balance between performance and cost. We also partner with the leading providers of virtualization solutions to provide you with choice and flexibility in your virtualization deployments.

Learn More about Dell’s End-to-End Virtualization Solutions
Energy Efficient

Energy Efficiency

Dell’s approach to optimization emphasizes energy efficiency at every level of the infrastructure.Boasting high energy-efficient power supplies and memory, plus the latest AMD processors*, the PowerEdge™ R905 is designed for businesses that want a combination of virtualization performance and low energy consumption. Together, the PowerEdge R905 and Dell’s PS5000 family of SAN arrays – built on EqualLogic Virtualization Technology – are engineered to provide an energy-efficient virtualized iSCSI solution.  

Learn More about Dell’s Energy-Efficient Virtualization Solutions
Dell ProSupport

System Support

Dell ProSupport for IT is designed to provide tech-to-tech support for IT Professionals, Database Administrators and internal service desks or helpdesks. Features such as Fast-Track Dispatch, direct access to Dell Expert Centers, and customer-controlled severity levels were designed with your specific challenges in mind. With Dell ProSupport for IT, you are treated like the expert you are – allowing you to satisfy the needs of your internal customers while freeing up your time to focus on strategic IT projects.  

Learn More about the Benefits of Dell ProSupport

Dell: Innovator with iSCSI and Virtualization


Dell: Innovator with iSCSI and Virtualization


Dell’s iSCSI product portfolio helps you optimize your storage environment to best meet your business needs.
  • Enhanced and simplified virtual machine movement with iSCSI
  • Ideal for consolidation or second-tier storage with virtualized servers
  • Support both iSCSI and Fibre Channel connectivity for flexible deployments


Dell Storage Solutions Tailored for Virtual Servers


Your SAN fabric is a critical element to consider when implementing virtualized servers. Dell has engineered a broad portfolio of both Fibre Channel and iSCSI SAN arrays that are tailored for VMware® , Microsoft® , Citrix® and Red Hat® virtualization solutions. In particular, iSCSI SANs offer unique capabilities that can simplify consolidated backup, virtual machine migration and disaster recovery.
Dell Storage Solutions Tailored for Virtual Servers

Latest iSCSI Insights

The Latest iSCSI Insights


For high-performance, mission-critical servers, the cost of higher bandwidth Fibre Channel is often justified. Now organizations that previously felt over-served by 4 Gbps Fibre Channel links can experience the benefits of iSCSI in their IT environments, including reduced complexity with tiered, optimized storage consolidation through virtualization.

iSCSI Solutions Made Easy


  • Deploy iSCSI for database and virtualized servers
  • Optimize connectivity based on server workload
  • Use Fibre Channel for high-throughput, low-latency applications

Visit www.dell.com/iSCSI for more details.
iSCSI Solutions Made Easy

Versatile iSCSI Storage Portfolio

Dell Offers a Versatile iSCSI Storage Portfolio


Dell/EMC CX3 Series UltraScale Storage Arrays Dual-Mode Fibre Channel and iSCSI Functionality

Dell/EMC AX4-5I simple, scalable and affordable iSCSI SAN for support of 64 hosts and 60 drives
PowerVault NX1950 Networked Storage Solution and SAN Gateway Unified File and Block Storage via iSCSI


Dell Business Solutions

Make the most of your technology with innovative and progressive software solutions available from Dell, a single source for complete end-to-end IT needs.


Virtualization Solutions

Dell and VMware have collaborated to test and certify VMware® Infrastructure 3 virtualization software on Dell™ PowerEdge™ server and Dell/EMC storage products to provide a comprehensive virtualization solution. Built with leading technologies, the PowerEdge R905 is engineered to deliver the performance required to efficiently host multiple virtualized workloads.

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Microsoft SQL Server 

Optimize for Microsoft SQL Server 2005

Dell can provide a complete, integrated, tested and supported solution for SQL Server® 2005 Configurations including the servers, storage, operating system, systems management and range of available servers, as well as the SQL Server 2005 operating system itself, all geared toward delivering the performance, manageability, and value required in a database environment.

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Optimize for Oracle Database 10g

Dell works hand-in-hand with Oracle engineers to help ensure compliance with IT best practices. We provide solutions that integrate software, systems management, services, and storage from leaders in the industry: Dell, Oracle and EMC. The entire solution stack is pre-engineered, tested and validated, to provide customers with complete ready to use Oracle database solutions on Red Hat® Linux® or Microsoft® Windows Server® 2008.

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Server Consolidation 

Server Consolidation

Dell offers the tools, products and services needed to help address the key stages of server consolidation, including the critical first step of preparing a business analysis to determine an estimated return on investment.
Virtualization-Ready Customization

Virtualization-Ready Customization

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Enterprise Solution Configuration Tool

Enterprise Solution Configuration Tool

Configure an Enterprise solution that fits your business needs.

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