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The M3A78-EMH support AMD AM2+/AM2 Platform CPUs including the AMD Phenom Quad-Core proccessor.

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All the major games requiring high end expensive graphics cards, can run on this motherboard with the built in graphics.

4 agree

Very good performance for the price.

4 agree

Dual monitor support out of the box

3 agree

Has a legacy Serial Port for dealing with older telecoms devices and routers. No USB to Serial cable required.

2 agree

Support for up to four connected displays

2 agree

Excellent 780G AMD chipset

1 agrees

plenty of USB ports

1 agrees
  • Only 3 words are allowed.

As always most software have yet to fully utilize all cores. Thus, in most cases, a Dual Core 6400+ may be faster than most typical AMD Quad Core offerings

3 agree

Crappy, hard-to-read backplate for motherboard I/O

3 agree

Depending on the Phenom you buy, you may not be able to use 1066 MHz RAM. Research before making decision.

3 agree

Because of the TLB Bug, the 9x00 Range of Phenoms are being replaced by the 9x50 ranges. E.g. the 9550 will replace the 9500. The buggy Chips showed lost 10% performance.

3 agree

The 6400+ Dual Core Processor cannot be used on this motherboard. Most test showed it blew the mother board in a few minutes. This mother board cannot accommodate 125W CPUs.

2 agree

No firewire suport

2 agree

Does not yet support Hybrid CrossfireX (waiting on drivers from ATI)

2 agree

No optical S/PDIF output

2 agree
  • Only 3 words are allowed.


The ASUS M3A78-EMH HDMI ($100) is one of the first motherboard to support the new AMD 780G chipset that includes a DirectX 10.1-compliant graphics allowing for Full HD playback, and ATI Hybrid CrossfireX (although CrossFireX is not currently enabled until ATI updates their drivers). It is a direct competitor to the Gigabyte GA-MA78GM-S2H ($100) which was the first 780G chipset-based motherboard on the market. The M3A78-EMH support AMD AM2+/AM2 Platform CPUs including the AMD Phenom Quad-Core proccessor. It an HDMI, DVI, and VGA video output allowing for a multiple display setup. However, you can't have two digital outputs used for such a setup; that is you can't have a dual monitor setup with both HDMI and DVI (HDMI+VGA and DVI+VGA are allowed).

  • AMD AM2+/AM2 Platform
  • AMD 780G chipset
  • Support AMD Phenom Quad-Core Processor
  • Dual-Channel DDR2 -1066/800/667/533
  • Hybrid CrossFireX + SurroundView for up to 4 connected displays
  • Full HD 1080p playback Support and playback of Bluray / HD DVD
  • video outputs: 1 x HDMI, 1 x DVI, 1 x VGA
  • SATA: 6 x SATA 3 Gb/s connectors /w RAID 0, RAID 1, RAID 10
  • audio: 8-channel output with coaxial S/DIF (no optical output)
  • Gigabit LAN
  • Up to 12 x USB 2.0 ports (4 x back panel + 8 x midboard)
Post Review
07/18/2008 12:52

I originally planned on getting the Gigabyte GA-MA78GM-S2H, but I got the asus version instead only because the computer shop I normally deal with only had the asus version.

So far so good. No complaints really.

04/17/2008 11:04

This is one of the first low cost AMD chipset motherboards that allows for high performance graphics on board. Other pointers...

1. The RAM speed can be as high as 1066 MHz.
2. This is an Micro-ATX form factor.
3. AM2+ means Phenom quad core processors can be used.
4. Not as hot - low power cosumption.
5. Adding a graphics board will allow to add the processing power of the on board graphics instead of replacing it.
6. Direct-X 10 support
7. Both VGA and DVI video outputs.

Around $100 bucks!

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