Asus Placa P7P55 LX [90-MIBB80-G0EAY0KZ]

Chipset Intel® P55 Express * Intel LGA1156 Platform / Intel® P55 Express Chipset
* Quad-GPU CrossFireX Support!
* DDR3 2200 (O.C.) Support
* ASUS TurboV
* Turbo Key
* MemOK! CPU
Intel® Socket 1156 Core™ i7 Processor/Core™ i5 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)
*Hyper DIMM support is subject to the physical characteristics of individual CPUs. Some hyper DIMMs only support one DIMM per channel. Please refer to Memory QVL for details.
*Refer to www.asus.com or this user manual for the Memory QVL (Qualified Vendors Lists).

Expansion Slots
1 x PCIe 2.0 x16 (single at x16)
1 x PCI Express 2.0 x16 slot (at x4 mode, 2.5GT/s)
2 x PCI Express 2.0 x1 slots (2.5GT/s)
3 x PCI

Multi-GPU Support
Supports ATI® Quad-GPU CrossFireX™ Technology

Storage
Intel® P55 Express Chipset built-in
6 xSATA 3.0 Gb/s ports
Intel Matrix Storage Technology Support RAID 0,1,5,10
VIA VT6415 PATA controller
- 1 x UltraDMA 133/100/66 for up to 2 PATA devices

LAN
Realtek® 8112L Gigabit LAN controller featuring AI NET 2

Audio
VIA® VT1708S 8-Channel High Definition Audio CODEC
- Optical S/PDIF out port at back I/O
- Supports Jack-Detection, Multi-streaming
- ASUS Noise Filter

USB
14 USB 2.0/1.1 ports (6 ports at mid-board, 8 ports at back panel)

ASUS Unique Features
ASUS Exclusive Overclocking Features
- ASUS TurboV, ASUS Turbo Key
ASUS Exclusive Features
- Express Gate
- MemOK!
- ASUS EPU
ASUS Quiet Thermal Solution
- ASUS Fanless Design: Stylish Heatsink Solution
- ASUS Fan Xpert
ASUS EZ DIY
- ASUS Q-DIMM
- ASUS O.C. Profile
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 2
- ASUS MyLogo 2
- Multi-language BIOS

Overclocking Features
Precision Tweaker
- vCore: Adjustable CPU voltage at 0.00625V increment
- vIMC: Adjustable IMC voltage at 0.05V increment
- vDRAM Bus: 11-step DRAM voltage control
- vPCH: 2-step chipset voltage control
- vCPU PLL: 4-step reference voltage control
SFS (Stepless Frequency Selection)
- PCI Express frequency tuning from 100MHz up to 150MHz at 1MHz increment
- Internal Base Clock tuning from 80MHz up to 500MHz at 1MHz increment
Overclocking Protection
- ASUS C.P.R.(CPU Parameter Recall)

Back Panel I/O Ports
1 x PS/2 Keyboard (Purple)
1 x PS/2 mouse (Green)
1 x Optical S/PDIF Output
1 x RJ45 port
8 x USB 2.0/1.1
8-channel Audio I/O

Internal I/O Connectors
3 x USB connectors support additional 6 USB ports
1 x IDE connector
6 x SATA connectors
1 x CPU Fan connector
1 x Power Fan connector
1 x Chassis Fan connectors (1x4-pin, 1x3-pin)
1 x Front panel audio connector
1 x S/PDIF Out header
1 x CD audio in
1 x 24-pin ATX Power connector
1 x 4-pin ATX 12V Power connector
1 x System Panel
1 x MemOK! Button
1 x COM connector

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 SATA cable(s)
I/O Shield

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 )