Model
Brand GIGABYTE
Model GA-P55A-UD4P
Supported CPU
CPU Socket Type LGA 1156
CPU Type Core i7 (LGA1156)/i5 (LGA1156)
Chipsets
North Bridge Intel P55
Memory
Number of Memory Slots 4×240pin
Memory Standard DDR3 2200/1600/1333/1066/80
Support for Extreme Memory Profile (XMP) memory modules
Maximum Memory Supported 16GB
Channel Supported Dual Channel
Expansion Slots
PCI Express 2.0 x16 1 x PCI Express x16 slot, running at x16 (PCIEX16)
1 x PCI Express x16 slot, running at x8 (PCIEX8)
Note: When dual graphics cards are used in 1st and 2nd PCIex16 slots, SATA3 / USB 3.0 (Marvell 9128 /NEC USB 3.0 Controllers) will work at normal mode.
PCI Express x1 3
PCI Slots 2
Storage Devices
PATA 1 x ATA133 2 Dev. Max
SATA 3Gb/s 6
SATA 6Gb/s 2 x SATA 6Gb/s
SATA RAID 0/1/5/10
Onboard Video
Onboard Video Chipset None
Onboard Audio
Audio Chipset Realtek ALC889
Audio Channels 8 Channels
Onboard LAN
LAN Chipset Realtek 8111D
Second LAN Chipset Realtek 8111D
Max LAN Speed Dual 10/100/1000Mbps
Rear Panel Ports
PS/2 1
USB 1.1/2.0 8 x USB 2.0
USB 3.0 2 x USB 3.0
IEEE 1394 2 x IEEE 1394a
eSATA 2 x eSATA 3Gb/s
S/PDIF Out 1 x Optical, 1 x Coaxial
Audio Ports 6 Ports
Onboard USB
Onboard USB 4 x USB 2.0
Onboard 1394
Onboard 1394 1x 1394a
Physical Spec
Form Factor ATX
Dimensions 12.0" x 9.6"
Power Pin 24 Pin
Features
Features 1 x floppy disk drive connector supporting up to 1 floppy disk drive
12 phase power VRM design for optimum power efficiency and thermal solution
Support both ATI CrossFireX and NVIDIA SLI for ultimate graphics performance
Smart TPM provides 2048 bits key via Bluetooth cellphone