• 8+1 Phase Power Design
• AMD 140W CPU Support
• DDR3 1800+(O.C.)
• ATI CrossFireX Technology Support
• EPU
• ASUS Express Gate
• Turbo Key

• CPU:
  - AMD Socket AM3; PhenomII /AthlonII /Sempron 100 Series Processors
  - AMD 140W CPU Support
  - AMD Cool 'n' Quiet 2.0 Technology (by CPU type)
  - Support 45nm CPU (Refer to www.asus.com for the AMD CPU support list)
• Chipset: AMD 770/SB710
• System 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
• 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 xUltraDMA 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: 12 USB 2.0 ports (6 ports at mid-board, 6 ports at back panel)
• ASUS Unique Features:
  - ASUS EPU-4 Engine
  - ASUS Express Gate
  - ASUS Turbo Key
  - ASUS Q-Fan
  - ASUS CrashFree BIOS 3
  - ASUS EZ Flash 2
  - ASUS MyLogo 2
  - ASUS AI NET 2
• Overclocking Features:
  - Intelligent overclocking tools: Turbo Key
  - SFS (Stepless Frequency Selection)
  FSB tuning from 200MHz up to 550MHz at 1MHz increment
  PCI Express frequency tuning from 100MHz up to 150MHz at 1MHz increment
  - Overclocking Protection: ASUS C.P.R.(CPU Parameter Recall)
• Back Panel I/O Ports:
  - 1 x PS/2 Keyboard/Mouse Combo port
  - 1 x Parallel
  - 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
• Accessories:
  - User's manual
  - 1 x I/O Shield
  - 1 x UltraDMA 133/100/66 cable
  - 2 x SATA cable
• Support Disc:
  - Drivers
  - ASUS PC Probe II
  - Express Gate
  - Anti-virus software (OEM version)
  - ASUS Update
• Form Factor:
  - ATX Form Factor
  - 12 inch x 8.8 inch ( 30.5 cm x 22.4 cm )

$10 End-User Mail-In Rebate: ASUS is now presenting a mail-In rebate for ASUS M4A77TD PRO Socket AM3 ATX Motherboard. Promotion begins 11/01/09 and ends on 11/30/09. This promotion cannot be combined with any other promotion. Claim your rebate through the rebate form and follow mailing instructions. Note, incomplete forms will be denied as well as forms mailed too late. Manufacturer is not responsible for lost or misdirected mail. The promotion is not retroactive. Click here to download the rebate form.