Dell PowerEdge R820

The Dell PowerEdge R820 is a 2U rackmount server which supports
  • 2 or 4 Intel Xeon processor E5-4600 or E5-4600v2
  • 48 DDR3 Sticks up to 1.5TB with LRDIMM or 768 RDIMM or 128GB UDIMM
  • Up to Up to 16 2.5" Hard Drives
  • 7 PCIe expansion slots
  • Quick Specs

    Ports: 1 back NIC port 1 back serial port 1 back USB 2.0 port 1 back VGA port 1 back iDRAC7 ethernet port 1 front USB 2.0 port 1 front VGA port 1 front vFlash port 1 internal USB 2.0 port 1 internal dual SD module flash port
    Hard Drive Bays: Up to 16 2.5"
    Internal Slots:
    1

    Expansion Card Riser

    Riser 1

    Height

    full-height

    Length

    half-length

    Link Width

    x16

    2

    Expansion Card Riser

    Riser 1

    Height

    full-height

    Length

    half-length

    Link Width

    x16

    3

    Expansion Card Riser

    Riser 2

    Height

    low-profile

    Length

    half-length

    Link Width

    x16

    4

    Expansion Card Riser

    Riser 2

    Height

    low-profile

    Length

    half-length

    Link Width

    x16

    5

    Expansion Card Riser

    Riser 2

    Height

    low-profile

    Length

    half-length

    Link Width

    x16

    6

    Expansion Card Riser

    Riser 3

    Height

    full-height

    Length

    half-length

    Link Width

    x16

    7

    Expansion Card Riser

    Riser 3

    Height

    full-height

    Length

    half-length

    Link Width

    x8

    RAM Type: DDR3 RDIMMs, LRDIMMs, UDIMMs
    Socket Type: FCLGA2011
    Model: R820
    Processor Socket Count: 4
    Compatible Processor Series: E5-4600, *E5-4600 v2 *Requires BIOS revision 2.0.20
    Number of Ram Slots: 48

    Compatibility

    Compatibility
    Fan Headers 6 fan headers. Possible replacement part numbers YWWDM, 0PGDX
    Product Dimensions 482.4mm x 86.8mm x 35.7mm
    Compatible Processor Part Numbers E5-4603, E5-4607, E5-4610, E5-4617, E5-4620, E5-4640, E5-4650, E5-4650L, E5-4603 v2*, E5-4607 v2*, E5-4610 v2*, E5-4617 v2*, E5-4620 v2*, E5-4627 v2*, E5-4640 v2*, E5-4650 v2*, E5-4657L v2*, E5-4624L v2*, *Requires BIOS revision 2.0.20
    Compatible Memory Part Numbers No
    Compatible Heat Sink Socket Compatible with Narrow-FCLGA2011 Socket heatsinks Dell official part number #E97379
    Memory Compatibility
    RDIMM

    Frequency

    Up to 1866MT/s *With 1.5v and 1 dimm per channel / needs BIOS revision 2.0.20 for v2 family, 1600MT/s *2 DIMMs per channel

    Capacity

    2GB, 4GB, 8GB, 16GB, 32GB

    LRDIMM

    Frequency

    Up to 2400MHz *If using 3 DIMMs per channel, the maximum frequency is 2133

    Capacity

    64GB *Needs BIOS revision 2.0.20 for v2 family

    UDIMM

    Frequency

    Up to 1866MT/s *With 1.5v and 1 dimm per channel, 1600MT/s *2 DIMMs per channel, 1333MT/s *3 DIMMs per channel

    Capacity

    2GB

    CPU BIOS Compatibility
    2.3.4

    E5-4600

    E5-4600 v2

    Notable Updates

    N/A

    2.3.2

    E5-4600

    E5-4600 v2

    Notable Updates

    N/A

    2.2.3

    E5-4600

    E5-4600 v2

    Notable Updates

    Fixed CPU frequency throttling issue.

    2.0.20

    E5-4600

    E5-4600 v2

    Notable Updates

  • Added support for Intel Xeon E5-4600 V2 family
  • Added 1866 MHz memory support for the E5-4600 v2 family
  • Added 64GB LRDIMM support for the E5-4600 v2 family
  • 1.7.2

    E5-4600

    E5-4600 v2

    Notable Updates

    N/A

    Videos

    Official Dell Video Playlist:

    CPU Upgrade Video Guide:

    RAM Upgrade Video Guide:

    Case Cover Removal Video Guide:

    Documentation