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Intel® Desktop Board DH77KC

The Intel® Desktop Board DH77KC supports the 2nd generation and 3rd generation Intel® CoreTM i7, Intel® CoreTM i5 processors, and other Intel® processors in the LGA1155 package. The board is featured with DVI-I, HDMI*, and DisplayPort* connectors and supports dual independent display for processors with Intel® HD Graphics. The Intel® Desktop Board DH77KC supports Intel® HD Graphics with the LucidLogix Virtu* Universal software, which combines best-in-class media processing features of the Intel® CoreTM processors with the 3D gaming performance of graphics add-in cards.

Intel® Desktop Board DH77KC also offers a PCI Express* Mini Card connector with support for mSATA Solid-State Drive for Intel® Smart Response Technology.


Intel® Desktop Board DH77KC
Features and Configurations

Form factor


AA# (Altered Assembly)


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At product launch, this desktop board supports:

View all compatible Intel® processor numbers


  • Four 240-pin DDR3 SDRAM Dual Inline Memory Module (DIMM) sockets
  • Support for DDR3 16001/1333/1066 MHz DIMMs
  • Support for up to 32 GB of system memory



  • DVI-I, HDMI, and DisplayPort for processors with Intel® HD Graphics
  • Support for PCI Express 3.0 x16 add-in graphics card2


Intel® High Definition Audio3 subsystem in the following configuration:

  • 10-channel (7.1+2 independent multi-streaming) audio subsystem using the Realtek* ALC892 audio codec
  • Five analog audio outputs and one optical S/PDIF out port
  • Internal S/PDIF header and front panel audio header

LAN support

  • Gigabit (10/100/1000 Mbits/sec) LAN subsystem using the Intel® 82579V Gigabit Ethernet Controller

Peripheral interfaces

  • Two Serial ATA 6Gb/s ports
  • Three Serial ATA 3Gb/s ports
  • One eSATA 3Gb/s port
  • Ten USB 2.0 Ports , four back panel ports, four ports via internal headers, and two ports via Mini PCI
  • Express* connectorFour USB 3.0 Ports , two back panel ports, and two additional ports via internal headers

Expansion capabilities

  • One PCI Express 3.0 x 16 discrete graphics card connector
  • One PCI Express 2.0 x 1 connector
  • One PCI Express 2.0 x 4 connector
  • Three PCI Conventional* bus connectors
  • One PCI Express Mini Card connector with support for mSATA Solid-State Drive

Additional information:1 2 3

Product and Performance Information


1. DDR3 1600 memory is only supported by the 3rd generation Intel® Core™ processors.

2. PCI Express* 3.0 support requires select 3rd generation Intel® Core™ processors.

3. Intel® High Definition Audio (Intel® HD Audio) requires a system with an appropriate Intel® chipset and a motherboard with an appropriate codec and the necessary drivers installed. System sound quality will vary depending on actual implementation, controller, codec, drivers, and speakers. For more information about Intel® HD Audio, refer to www.intel.com/design/chipsets/hdaudio.htm.