Asus M4A77TD PRO AM3 770 DDR3 Motherboard. This motherboard supports AMD® Socket AM3 multi-core processors with unique L3 cache and delivers better overclocking capabilities with less power consumption. It features dual-channel DDR3 1333 memory support and accelerates data transfer rate up to 5200MT/s via HyperTransport™ 3.0 based system bus. This motherboard also supports AMD® CPUs in the new 45nm manufacturing process. AMD 770 Chipset is designed to support up to 5200MT/s HyperTransport™ 3.0 (HT 3.0) interface speed and PCI Express™ 2.0 x16 graphics. It is optimized with AMD®’s latest AM3 and multi-core CPUs to provide excellent system performance and overclocking capabilities.
  


Specifications:

CPU
AMD Socket AM3 ;Phenom™II /Athlon™II /Sempron™ 100 Series Processors
AMD 140W CPU Support
AMD Cool 'n' Quiet™ 2.0 Technology (by CPU type)
Support 45nm CPU            

Chipset
AMD 770/SB710

Front Side Bus
Up to 5200 MT/s HyperTransport™ 3.0 interface          

Memory
4 x DIMM, Max. 16 GB, DDR3 1800(O.C.)/1600(O.C.)/1333/1066 ECC,Non-ECC,Un-buffered Memory
Dual Channel memory architecture
AMD AM3 100 and 200 series CPU support up to DDR3 1066MHz

Expansion Slots
2 x PCIe 2.0 x16 (*blue@ x16 mode, black@ x4 mode)
1 x PCIe x1
3 x PCI   

Storage
SB710 Chipset
1 x UltraDMA 133/100
5 x Serial ATA 3Gb/s Support RAID 0,1,10
1 x eSATA 3Gb/s ports 

LAN
Realtek 8112L PCIe Gb LAN

Audio
VT1708S High Definition Audio 8-Channel CODEC
Supports Jack-detect and Multistreaming teconologies, and Front Panel Jack-Retasking
Optical S/PDIF Out ports at back I/O

USB Ports
12 USB 2.0/1.1 ports (6 ports at mid-board, 6 ports at back panel)

Back Panel I/O Ports
1 x PS/2 Keyboard/Mouse Combo port
1 x Parallel port
1 x External SATA
1 x S/PDIF Out (Optical)
1 x LAN(RJ45) port
6 x USB 2.0/1.1
1 x COM port
8 -Channel Audio I/O

Internal I/O Connectors
3 x USB connectors supports additional 6 USB 2.0 ports
1 x IDE connector
5 x SATA connectors
1 x CPU / 1 x Power / 1 x Chassis Fan connectors
1 x S/PDIF Out connector
1 x System Panel connector
1 x CD audio-in connector
1 x High Definition Front panel audio connector
1 x 24-pin EATX power connector
1 x 4-pin ATX 12V Power connector

BIOS
8 Mb Flash ROM AMI BIOS, PnP, DMI v2.0, WfM2.0, ACPI v2.0a, SMBIOS 2.5                        

Form Factor
ATX Form Factor
12 inch x 8.8 inch ( 30.5 cm x 22.4 cm )