P7P55D MOTHERBOARD LGA 1156

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 slots (@x4 mode, 2.5GT/s)

2 x PCI Express 2.0 x1 (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 JMicron® JMB363 PATA and SATA controller

1 xUltraDMA 133/100/66 for up to 2 PATA devices

1 xExternal SATA 3Gb/s port (SATA on-the-go)

1 xSATA 3Gb/s port (black)

LAN Realtek® 8112L Gigabit LAN controller featuring AI NET2 Audio VIA® VT1828S 8-Channel High Definition Audio CODEC - Absolute Pitch BD192/24 - DTS Surround Sensation UltraPC - BD audio layer Content Protection - Supports Jack-Detection, Multi-streaming, Front Panel Jack-Retasking - Optical S/PDIF out ports at back I/O

IEEE 1394 VIA® 6308P controller supports 2 x 1394a ports (one at mid-board; one at back panel)

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

ASUS Unique Features ASUS Hybrid Processor - TurboV EVO - Auto Tuning, TurboV and Turbo Key

ASUS 16 Hybrid Phase* - T.Probe Technology for Active Cooling - 12+2 Phase Power Design - 100% Ultra Long Life Japan-Made Solid Capacitors

*16 Hybrid Phase = 12+2 Phase x T.Probe

ASUS Hybrid OS - Express Gate

ASUS Xtreme Design

ASUS Exclusive Features - MemOK! - 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 Q-Connector - ASUS O.C. Profile - ASUS CrashFree BIOS 3 - ASUS EZ Flash 2 - ASUS MyLogo 2 - Multi-language BIOS

ASUS Q-Design - ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED) - ASUS Q-Slot - ASUS Q-DIMM

Overclocking Features Precision Tweaker 2 - vCore: Adjustable CPU voltage at 0.00625V increment - vIMC: 97-step IMC voltage control - vDRAM Bus: 81-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 200MHz 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 port (Green)

1 x Optical S/PDIF Output

1 x External SATA

1 x IEEE1394a

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

7 x SATA connectors

1 x IEEE 1394a connector

1 x CPU Fan connector

1 x Power Fan connector

2 x Chassis Fan connector (1x4-pin, 1x3-pin) Front panel audio connector

1 x S/PDIF Out Header

CD audio in

24-pin ATX Power connector

1 x 8-pin ATX 12V Power connector

System Panel(Q-Connector) 1 x MemOK! button

1 x COM port 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

2 in 1 Q-connector

1 x UltraDMA 133/100 cable

4 x Serial ATA 3.0Gb/s cables

ASUS Q-Shield

Support Disc Drivers

Anti-virus software (OEM version)

ASUS Update

ASUS Utilities

Form Factor ATX Form Factor

12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )