• AMD AM2+/AM2 Platform
• Support latest AMD Phenom Quad-Core Processor
• Support CPU up to 140W
• Dual-Channel DDR2 -1066/800/667
• Instant Internet Access with Express Gate
• AMD Hybrid CrossFireX and DX10 Support
• 4+1 Phase Power Design
• DisplayPort Support

• CPU:
  - AMD Socket AM2+ / AM2 Processors
  - AMD Phenom FX / Phenom / Athlon / Sempron
  - AMD Cool 'n' Quiet Technology
  - Support CPU up to 140W
• Chipset: AMD 780G/SB700
• System Bus:
  - Up to 5200/MT/s HyperTransport 3.0 interface for AM2+ CPU
  - 2000 / 1600 MT/s for AM2 CPU
• Memory:
  - 4 x DIMM, Max. 8 GB, DDR2 1066*/800/667 ECC,Non-ECC,Un-buffered Memory
  - Dual Channel memory architecture
• Expansion Slots:
  - 1 x PCIe x16 (Support PCIe 2.0 / 1.0 Architecture )
  - 1 x PCIe x1
  - 2 x PCI 2.2
• VGA:
  - Integrated ATI Radeon HD 3200 GPU
  - Supports DisplayPort** with max. resolution up to 2560 x 1600@60HZ
  - Supports HDMI Technology with max. resolution up to 1920 x 1200 (1080P)
  - Supports Dual-link DVI with max. resolution up to 2560 x 1600@60Hz
  - Supports D-Sub with max. resolution up to 2456 x 1536 @75Hz
  - Hybrid CrossFireX Support (For Windows Vista only) ***
  - Supports Microsoft DirectX 10, OpenGL 2.0, Pixel Shader 4.0
  - Maximum shared memory of 256MB
• CrossFire: Hybrid CrossFireX Support (For Windows Vista only)
• Storage: Chipset:
  - 1 xUltraDMA 133/100
  - 5 x SATA 3.0Gb/s ports, Support RAID 0,1,10 1 x eSATA 3.0Gb/s ports, support RAID 0, 1 and 10
  - 1 x eSATA 3.0Gb/s ports, Support RAID 0,1,10
• LAN: Gigabit LAN
• Audio:
  - Realtek ALC1200 8 -Channel High Definition Audio CODEC
  - Optical S/PDIF out port at back I/O
• USB: 12 USB 2.0 ports (6 ports at mid-board, 6 ports at back panel)
• Special Features:
  - Express Gate
  - ASUS Q-Fan
  - ASUS MyLogo2
  - ASUS CrashFreeBIOS3
  - ASUS EZ Flash2
  - ASUS Noise Filter
  - AI NAP
• Back Panel I/O Ports:
  - 1 x PS/2 Keyboard
  - 1 x S/PDIF Out (Optical)
  - 1 x HDMI
  - 1 x DisplayPort
  - 1 x D-Sub
  - 1 x DVI
  - 1 x 1394
  - 1 x eSATA
  - 1 x RJ45 port
  - 6 x USB 2.0/1.1
  - 8-Channel Audio I/O
• Internal I/O Connectors:
  - 3 x USB connector (6 ports)
  - 1 x Floppy disk drive connector
  - 1 x IDE connector
  - 1 x COM connector
  - 5 x SATA connectors
  - 1 x 1394
  - 1 x CPU Fan connector
  - 1 x Chassis Fan connector
  - 1 x Power Fan connector
  - 1 x S/PDIF Out Header
  - Chassis Intrusion connector
  - CD audio in
  - 24-pin ATX Power connector
  - 4-pin ATX 12V Power connector
  - System Panel
• BIOS:
  - 8 Mb Flash ROM
  - DMI 2.0
  - AMI BIOS
  - PnP
  - WfM 2.0
  - SM BIOS 2.5
  - ACPI 2.0a
  - ASUS EZ Flash 2
• Accessories:
  - UltraDMA 133/100/66 cable
  - FDD cable
  - SATA cables
  - SATA power cables
  - User's manual
  - 2 in 1 Q-connector
• Support Disc:
  - Express Gate
  - Drivers
  - ASUS PC Probe II
  - ASUS LiveUpdate Utility
  - Anti-virus software (OEM version)
• Form Factor:
  - uATX Form Factor
  - 9.6 inch x9.6 inch ( 24.4 cm x24.4 cm )

$10 End-User Mail-In Rebate: ASUS is now presenting a mail-In rebate for ASUS M3A78-EM Socket AM2+ uATX 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.