Asus M3A79-T Deluxe AM2 DDR2 Motherboard. This motherboard supports AMD AMD® Socket AM2+ multi-core processors with unique L3 cache and delivers better overclocking capabilities with less power consumption. It features dual-channel DDR2 1066 memory support and accelerates data transfer rate up to 5200MT/s via HyperTransport™ 3.0 based system bus. This motherboard supports AMD® Socket AM2 Athlon™/Sempron™ processors. It features 2000/1600 MT/s HyperTransport™-based system bus, dual-channel un-buffered DDR2 800 memory support, and AMD® Cool ´n´ Quiet™ Technology.
 

* Please Note: This is an OEM motherboard and it does not come with rear I/O shield also known as back-plate cover. This part is not needed and you can still install the board in standard ATX case.

Specifications:

CPU
AMD Socket AM2+ / AM2 Processors
for AMD® Phenom™ FX / Phenom™ / Athlon™ / Sempron™ processors
AMD Cool 'n' Quiet™ Technology
Supports CPU up to 140W
Support 45nm Phenom™ II CPU 

Chipset
AMD 790FX/SB750  

System Bus
Up to 5200 MT/s HyperTransport™ 3.0 interface for AM2+ CPU
2000 / 1600 MT/s for AM2 CPU    

Memory
4 x 240-pin DIMM, Max. 16 GB, DDR2 1066/800/667 Memory
Dual Channel memory architecture

Expansion Slots
4 x PCIe 2.0 x16 slots with ATI CrossFireX™ support (@ dual x16, triple x16 / x8 / x8, or quad x8 modes)
2 x PCI 2.2

CrossFire
Supports ATI CrossFireX™ graphics cards; up to Quad CrossFireX™ 

Storage
Southbridge
1 x UltraDMA 133/100/66
6 x SATA 3 Gb/s ports Support RAID 0,1,5,10
Marvell® 88SE6111 SATA controller
1 x External SATA 3Gb/s port (SATA On-the-Go)

LAN
Marvell® 88E8056 Gigabit LAN controller featuring AI NET 2
LSI® L-FW3227 controller supports 2 x 1394a ports (1 at mid-board; 1 at back panel)

Audio
ADI® AD2000B 8 -Channel High Definition Audio CODEC
Supports Jack-Detection, Multi-Streaming, and Front Panel Jack-Retasking
Coaxial / Optical S/PDIF Out ports at back I/O
ASUS AI Audio 2
ASUS Noise Filtering  

USB Ports
12 USB 2.0 ports (6 ports at mid-board, 6 ports at back panel)    

Back I/O Ports
1 x PS/2 Keyboard / Mouse combo port
1 x Optical + 1 x Coaxial S/PDIF Out ports
1 x External SATA port
1 x IEEE1394a port
1 x LAN (RJ45) port
6 x USB 2.0/1.1 ports
8-channel Audio I/O ports  

Internal I/O Ports
3 x USB connectors support additional 6 USB ports
1 x Floppy disk drive connector
1 x IDE connector
1 x COM connector
6 x SATA connectors
1 x CPU Fan connector
2 x Chassis Fan connectors
1 x Power Fan connector
1 x IEEE1394a connector
Front panel audio connector
1 x S/PDIF Out header
Chassis Intrusion connector
CD audio in
24-pin ATX Power connector
System Panel (Q-Connector)
8-pin ATX 12V Power connector
Power on Switch
Reset Switch

BIOS
8 Mb Flash ROM
AMI BIOS, PnP, DMI 2.0, SM BIOS 2.5, ACPI 2.0a, ASUS EZ Flash 2, ASUS CrashFree BIOS 2   

Form Factor
ATX Form Factor
12 x 9.6 ( 30.5 cm x 24.4 cm )