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ASUS M3N78-EM AM2+/AM2 NVIDIA GeForce 8300 HDMI Micro ATX AMD Motherboard

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Purchases from these Sellers are generally covered under our Newegg Marketplace Guarantee.
Marketplace Seller
  • NVIDIA GeForce 8300
  • Phenom FX / Phenom / Athlon 64 FX / Athlon 64 X2
  • DDR2 1066 * DDR2 1066 is supported by AM2+ CPU for one DIMM per channel only.

  • Specs
  • Warranty & Returns
  • Reviews

Learn more about the ASUS M3N78-EM

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Standard Return Policy.
Ownership: more than 1 year
Verified Owner
5/ 5
awesome mother board 11/23/2012 11:44:08 PM

Pros: I have owned this for 5 years and never one single problem! ASUS boards are the most stable mobo I have ever used.

Cons: nothing

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Ownership: more than 1 year
Verified Owner
5/ 5
4/29/2012 8:43:50 PM

Pros: 3+ years, rock solid. Excellent board great bios and overclocking / over voltage options for even advanced users. one of the few AMD / Nvidia combos when i bought it, and the integrated 8300 / paired with my GTX 280 works great. Matrox triplehead2go on a 3600x1280.

Cons: absolutely nothing.

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Ownership: more than 1 year
Verified Owner
5/ 5
great system 11/12/2011 8:38:47 PM

Pros: Asus quality, 8300 graphics, have owned for almost 3 yrs with nothing to complain about, considering upgrading to Phenom II e something

Cons: wish it had some kind of fan controller, but no MB had this at the time

Overall Review: Using with Athlon II 5050e 45W, Freezer Pro cooler and no graphics card, I got a new intel i5 2500k system and I am tuning this into my HTPC

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Anonymous
Ownership: 1 month to 1 year
5/ 5
high quality rare board 2/21/2011 7:12:34 PM

Pros: top quality mGPU 8300 chipset, ASUS quality, friendly BIOS, AM2+ cpu compatibility incl. higher wattage chips, runs win 7 (64-bit) flawlessly and options (functionality)

Cons: no hybrid SLI in win 7 from what I can tell, was researching until I decided on stronger dedicated dual slot gfx card, don't care now.
no others at this time, I was looking for this board in particular knowing it was mATX form

Overall Review: AMD Phenom II X4 940 Black Edition (3.0GHz) Deneb
ASUS M3N78-EM AM2+/AM2 NVIDIA GeForce 8300 HDMI mATX
Scythe SCSK-1100 100mm Shuriken Rev. B - Artic Silver 5
4GB kit (2x2GB) OCZ Gold DDR2 1066MHz 5-6-6@2.10V
MSI N450GTS CYCLONE 1GD5/OC (Fermi) 1GB 128-bit GDDR5
WD Raptor 160GB Raptor 10K WD1600ADFD SATA Hard Drive
Seagate Barracuda 7200.09 300GB SATA 3.0Gb/s
SAMSUNG BLU-RAY COMBO 8X BLACK BD ROM/DVD WRITER
SilverStone Sugo SG03 SST-SG03B (black) mesh grill - 2 x 120mm fan + cross-flow fan
OCZ ModXStream Pro 500W ATX12V V2.2
Windows 7 Ult. x64

7.3
7.4
7.3/7.3
5.9

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Anonymous
Ownership: 1 month to 1 year
5/ 5
Excellent with Debian Lenny/MythTV 10/9/2009 10:23:53 AM

Pros: All the features one would need for a MythTV box. Video and audio go out through HDMI to my Onkyo receiver. No complaints. It plays ISO DVD images beautifully. The audio sounds great through HDMI.

Cons: The PATA connector is a right-angle and in my enclosure is difficult to access. At boot, like most boards, it spends a lot of time in the BIOS.

Overall Review: After installing a base of Lenny w/Gnome and the latest/greatest Nvida driver, I built and installed MythTV from the lastest stable source. I had to mess with the audio to get both MP3/44.1KHz and AC3/48KHz working through HDMI. For AC3/48KHz through HDMI the device is 'ALSA:hw:03' and for MP3/FLAC/44.1KHz it's 'ALSA:plughw:03'. You can send it to the SPDI/F by changing the '03' to '01'. I'm still working on geting the HD-DVD and BD images to play but this has nothing to do with the hardware.

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Anonymous
Ownership: 1 week to 1 month
Verified Owner
4/ 5
ASUS M3N78-EM 10/6/2009 2:13:04 PM

Pros: It worked with Ubuntu 9.04 out of the box . Onboard video and sound worked right away .( Did manually select Nvidia drivers durning install ). Had no problems with lan . I flashed to newest bios right off . Linux has come a long upgrading and installing aps is much easier . Not quit one click but pretty close just have to add to repository list and then search for app .

Cons: Sound volume is pretty low , but it going to get amped anyway .

Overall Review: I am able to stream Hulu , Mlbtv (in Hd) , use pandora and other tv streams . Have not got blue Ray to work ( havent tried yet ) .Plays regular DVD's no problem. Not able to use Netflix instant play either . There are ways to get blue ray and net flix but not supported ways.

1 out of 1 people found this review helpful. Did you?
Anonymous
Ownership: 1 month to 1 year
Verified Owner
3/ 5
Love Asus but... 9/30/2009 10:58:21 AM

Pros: Great ASUS product, will run a AMD Phenom II X4 810 2.6GHz Socket AM3, solid performance except... (see cons)

Cons: Had an IRQ conflict on the on-board NIC, created a huge headache in Vista 64 trying to narrow down what was causing the BSOD.

Overall Review: Don't know who ultimately to blame for the resource conflict (Windows or ASUS) but you would expect built in devices to work "out of the box". This is my second ASUS motherboards in the last 3 years to have on-board NIC issues. But... can't say it'll stop me from buying ASUS motherboards.

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Ownership: 1 month to 1 year
Verified Owner
4/ 5
Works with some limitations 9/12/2009 7:07:33 AM

Pros: Has everything you want on one board; although I did eventually buy a 9 series video card because I found myself playing more graphic intensive games that required more power then the 8300 onboard could handle; great for a HTPC setup.

Cons: BIOS/Chipset has some limitations. Two SATA ports on the board (black color) can only be used in AHCI or RAID. This is not really an issue as it may be preferable to run all the SATA drives in AHCI. However, if you want to setup drives individually in either IDE, AHCI, or RAID you CAN NOT. The bios only lets you choose one option for ALL the SATA ports. If you choose RAID you will be prompted (F10) to set up the ARRAY and for those SATA devices that do not need RAID you can simply exclude them from the ARRAY, but they are still controlled under RAID mode, of course without any performance or redundancy features since you are not pairing it with other drives. This is not a big problem if you choose one of these three options and stick to it BEFORE you install the OS. If you switch aftwards you MAY need to reiinstall the OS.

2 out of 2 people found this review helpful. Did you?
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