Gigabyte GA-H55-UD3H, User Manual, Page: 10 / 96

Hardware Installation - 10 -
1-2 Product Specifications
CPU

Support for an Intel ® Core ™ i7 series processor/Intel ® Core ™ i5 series processor/
Intel
®
Core
™
i3 series processor in the LGA1156 package
(Go to GIGABYTE's website for the latest CPU support list.)

L3 cache varies with CPU
Chipset

Intel
®
H55 Express Chipset
Memory

4 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memory
(Note 1)

Dual channel memory architecture

Support for DDR3 1666(O.C.)/1333/1066/800 MHz memory modules

Support for non-ECC memory modules

Support for Extreme Memory Profile (XMP) memory modules
(Go to GIGABYTE's website for the latest supported memory speeds and
memory modules.)
Onboard Graphics 
Integrated in the Chipset:
- 1 x D-Sub port
(Note 2)
- 1 x DVI-D port
(Note 2) (Note 3) (Note 4)
- 1 x HDMI port
(Note 2) (Note 4)
Audio

Realtek ALC889 codec

High Definition Audio

2/4/5.1/7.1-channel

Support for S/PDIF In/Out

Support for CD In
LAN

1 x Realtek RTL8111D/RTL8111E chip (10/100/1000 Mbit)
Expansion Slots

1 x PCI Express x16 slot, running at x16 (PCIEX16)
(Note 5)
(The PCIEX16 slot conforms to PCI Express 2.0 standard.)

1 x PCI Express x16 slot, running at x4 (PCIEX4) (Note 6)

1 x PCI Express x1 slot

4 x PCI slots
Multi-Graphics 
Support for Software ATI CrossFireX
™
technology only
(Note 7)
Technology
Storage Interface 
Chipset:
- 6 x SATA 3Gb/s connectors (SATA2_0, SATA2_1, SATA2_2, SATA2_3,
SATA2_4, SATA2_5) supporting up to 6 SATA 3Gb/s devices

iTE IT8213 chip:
- 1 x IDE connector supporting ATA-133/100/66/33 and up to 2 IDE devices

iTE IT8720 chip:
- 1 x floppy disk drive connector supporting up to 1 floppy disk drive