Global American Inc Logo

Intel Desktop Board DH55HC

Embrace the era of HD with Intel® Desktop Board DH55HC designed to run with Intel® Core® processors in the LGA1156 package. Offered in ATX form factor and featured with VGA, DVI-D and HDMI* display connector for processors with Intel® Graphics Technology, a PCI Express* 2.0 x16 slot, 4 DIMMs slots for DDR3 memory, Intel® High Definition Audio (Intel® HD Audio) with 5.1 channel +2 channel multi-streaming, six back panel USB 2.0 ports, the Intel® Desktop Board DH55HC is a building block for home theater PCs that maximizes the power of the Intel® Core® processors in the LGA1156 package.


Form factor ATX
Processor At product launch, this desktop board supports:


  • Four 240-pin DDR3 SDRAM Dual Inline Memory Module (DIMM) sockets
  • Support for DDR3 1333 /1066 MHz DIMMs
  • Support for up to 16 GB of system memory
  •  Intel® H55 Express Chipset
Audio Intel® High Definition Audio subsystem in the following configuration:

  • 8-channel (5.1+ 2 independent multi-streaming) audio subsystem with three analog audio outputs using the Realtek ALC888S* audio codec
LAN support Gigabit (10/100/1000 Mbits/sec) LAN subsystem using the Intel® 82578DC Gigabit Ethernet Controller
Peripheral interfaces
  • Up to twelve USB 2.0 ports
  • Six Serial ATA 3.0 Gb/s ports, with two ports compatible with eSATA dongles
  • One serial port header
  • One parallel port header
  • One back panel PS/2 connector
Expansion capabilities
  • One PCI Express* 2.0 x 16 bus add-in card connector
  • Two PCI Express 2.0 x 1 connectors
  • Three PCI Conventional bus connector

Estimated EOL: November 2011 (This date is subject to change at anytime by the manufacturer)
Product Drivers

Additional information


Intel Core i3, i5, i7; Pentium Desktop Processors

CPU Socket

--Please Select--

Memory Slots

4 x 240-pin DIMM

Maximum Memory Supported


Memory Standard

DDR3 1066 / 1333 MHz

ECC Memory Supported


Onboard Memory


Dual Channel Memory Support



Intel H55 Express Chipset consisting of the Intel H55 Express Platform Controller Hub (PCH)


64Mb flash EEPROM with Intel Platform Innovation Framework for EFI Plug and Play

Video Chipset

Intel Core Integrated Graphics

Real Time Clock

Chipset integrated RTC with onboard lithium battery

Serial ATA (SATA)

6 x SATA 300 Ports w/ 2 x Ports compatible with eSATA dongle

IDE Controller


Compact Flash


Disk On Chip (DOC)


Audio Chipset

Intel High Definition Audio via the Realtek ALC888S audio codec

Gigabit LAN Ports

1 x Intel 82578DC Integrated Gigabit Ethernet Controller

PCIe Socket

1 x PCIe x16; 2 x PCIe 1x Slots

PCI Slot

3 x PCI Slots

Serial (COM) Port

1 x Serial Port via internal header

USB Port

12 x USB 2.0 Ports (6 x Rear Ports, 6 x Ports via Internal Header)


1 x HDMI Port


1 X VGA port


3 x 3.5mm Jacks for Line-In/Line-Out/Microphone

PS/2 Port

1 X PS/2 for Keyboard/Mouse

LPT (Parallel) Port

1 x LPT Ports via Internal Header


W: 11.6" (295 mm) x D: 9.6" (244 mm)

Operating Temperature

0ï¾°C ~ 40ï¾°C (32ï¾°F ~ 104ï¾°F)

Storage Temperature

-4 ~ 176° F (-20 ~ 80° C )

Relative Humidity

10% ~ 90% Non-condensing

OS Software Supported

All popular Operating System Software including LINUX, Windows XP / Vista / Windows 7. Not all features are guaranteed to work under every O/S.

Global P/N / SKU


Audio Chipset

Intel High Definition Audio via the Realtek ALC888S audio codec

Form Factor

ATX Motherboard

Power Management

ACPI Power Management


1 x SPDIF via Internal Header



Power Connector

1 x 24-Pin ATX connector, 1 x 4-pin 12V CPU


linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram