Asus P7P55D-E LX Express Gate

CPU
Intel Socket 1156 Core i7 Processor/Core i5 Processor/Core i3 Processor
Supports Intel Turbo Boost Technology

Chipset
Intel P55 Express Chipset

Memory
4 x DIMM, Max. 16 GB, DDR3 2200(O.C.)*/1600/1333/1066 Non-ECC,Un-buffered Memory
Dual Channel memory architecture
Supports Intel Extreme Memory Profile (XMP)

Expansion
Slots    1 x PCIe 2.0 x16
4 x PCIe 2.0 x1 (2.5GT/s, gray slots)
2 x PCI

Storage
Intel P55 Express Chipset built-in
6 xSATA 3.0 Gb/s ports
Intel Matrix Storage Technology Support RAID 0,1,5,10
JMicron JMB361 PATA and SATA controller
1 xUltraDMA 133/100/66 for up to 2 PATA devices
1 xExternal SATA 3Gb/s port
Marvell PCIe SATA 6Gb/s controller:
- 2 x SATA 6.0 Gb/s ports (Gray)

LAN
Realtek 8112L Gigabit LAN controller featuring AI NET2 and Teaming

Audio
VIA VT1708S 8-Channel High Definition Audio CODEC
- Supports Jack-Detection, Multi-streaming, Front Panel Jack-Retasking
- Optical S/PDIF out ports at back I/O

USB
NEC USB 3.0 controller
- 2 x USB 3.0 ports (Blue, at back panel)
Intel P55 Express Chipset
- 12 x USB 2.0 ports (6 ports at mid-board, 6 ports at back panel)

ASUS Unique Features
ASUS IO Level UP for Ultra Performance
- True USB 3.0 or True SATA 6Gb/s Support
ASUS Xtreme Design
ASUS Exclusive Overclocking Features
- CPU Level UP,TurboV and Turbo Key
ASUS Exclusive Features
- MemOK!
- Express Gate
- ASUS EPU
ASUS Quiet Thermal Solution
- ASUS Fanless Design: Stylish Heat-sink Solution
- ASUS Fanless Design: Stack Cool 3
- ASUS Fan Xpert
ASUS Crystal Sound
- ASUS Noise Filter
ASUS EZ DIY
- ASUS Q-Shield
- ASUS O.C. Profile
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 2
- ASUS MyLogo 2
- Multi-language BIOS
ASUS Q-Design
- ASUS Q-LED (DRAM)
- ASUS Q-DIMM

Overclocking Features
Precision Tweaker 2
- vCore: Adjustable CPU voltage at 0.00625V increment
- vIMC: Adjustable IMC voltage at 0.02V increment
- vDRAM Bus: 41-step DRAM voltage control
- vPCH: 23-step chipset voltage control
- vCPU_PLL: 36-step reference voltage control
SFS (Stepless Frequency Selection)
- Internal Base Clock tuning from 80MHz up to 500MHz at 1MHz increment
- PCI Express frequency tuning from 100MHz up to 200MHz at 1MHz increment
Overclocking Protection
- ASUS C.P.R.(CPU Parameter Recall)

Back Panel I/O Ports
1 x External SATA
1 x S/PDIF Out (Optical)
1 x LAN(RJ45) port
8 -Channel Audio I/O
1 x PS/2 Keyboard (Purple)
1 x PS/2 mouse port (Green)
1 x RJ45 ports
2 x USB 3.0/2.0 ports (Blue)
6 x USB 2.0/1.1 ports

Internal I/O Connectors
3 x USB connectors support additional 6 USB ports
1 x IDE connector
1 x CPU Fan connector
1 x Power Fan connector
6 x SATA 3.0Gb/s connectors
2 x SATA 6.0Gb/s connectors (gray)
2 x Chassis Fan connector (1x4-pin, 1x3-pin)

Front panel audio connector
1 x S/PDIF Out Header
24-pin ATX Power connector
8-pin ATX 12V Power connector

System Panel
1 x COM ocnnector
1 x MemOK! Button
1 x IO_Levelup button

BIOS
16 Mb Flash ROM , AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.5, ACPI 2.0a, Multi-language BIOS, ASUS EZ Flash 2, ASUS CrashFree BIOS 3

Manageability
WfM 2.0,DMI 2.0,WOL by PME,WOR by PME,PXE

Accessories
User\'s manual
1 x UltraDMA 133/100/66 cable
2 x Serial ATA 3.0Gb/s cables
1 x Serial ATA 6.0Gb/s cables

Support Disc
Drivers
Anti-virus software (OEM version)
ASUS Update
ASUS Utilities

Form Factor
ATX Form Factor
12 inch x 8.6 inch ( 30.5 cm x 21.8 cm )