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Item#: N82E16813136044

DFI LP DK 790FX-M2RS AM2+/AM2 AMD 790FX ATX AMD Motherboard

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  • AMD 790FX
  • Phenom / Athlon 64 X2 / Athlon 64 FX / Athlon 64
  • DDR2 800

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  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the DFI LP DK 790FX-M2RS

Warranty, Returns, And Additional Information

Customer Reviews of the DFI LP DK 790FX-M2RS

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  • Maria M.
  • 3/5/2013 3:40:20 PM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsWorks as described

Pros: Since this is discontinued and hard to find anymore, I'll just say, this mobo works effectively. Haven't found a flaw that cripples my operation.

Cons: Doesn't make me limes for my iced tea.

1 out of 1 people found this review helpful. Did you? Yes No

  • David D.
  • 3/25/2011 10:58:57 AM
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsDO NOT FLASH THE BIOS!

Pros: Stable, fast board ...until you update the BIOS!

Cons: BIOS from DFI's website will brick this board. This is a known problem clear back to 2009 and they have not corrected it.

Other Thoughts: Read the many reviews of this board -as I should have- that mention this problem.

I am not even going to try reaching DFI as their service reputation is less than admirable.

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  • St. C.
  • 12/13/2009 1:29:23 PM
  • Ownership: more than 1 year

5 out of 5 eggsAwesome Board

Pros: supported my hardware, great overall functionality.

Cons: needed a bios update for the phenom ii, but seamless install was provided by dfi.

Other Thoughts: the bios update had a windows installer, which is very nice considering most people now don't know what DOS is.

1 out of 1 people found this review helpful. Did you? Yes No

  • John C.
  • 12/6/2009 1:45:04 AM
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsRAID is flaky. Otherwise, A++!

Pros: Loads of BIOS options. Solid board overall. I love all the little extra perks that make life easy. I feel like this is the kind of board I would design. I found the manual adequate but certainly not overly helpful - had to look a few things up online. If this is your first build, try someone else like Gigabyte - they hold your hand a little bit more than DFI.

Cons: The only problem I've had is it can't maintain a RAID. Keeps losing the drives (Seagate Barracuda 500gb 3.0). At first I just assumed and RMA'd the "lost" HDD, thinking it failed. Now, I think I RMA'd a good drive. At first, it found the replaced drive and rebuilt the array as it should. Then it lost the drive again. Currently, one of the drives has completely fallen out of the array assignment and I have to rebuild it manually. ugh.

Other Thoughts: I like the board a lot, but between the horror reports of DFI cust support and the persistent trouble I've had with the RAID, I'll likely try another brand next time.

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  • Gerald T.
  • 12/5/2009 9:23:58 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsGood Board

Pros: Many options, reasonably good layout, full ATX, crossfire ready.

Cons: Had to clear the CMOS prior to initial boot (never had to do that before and I've built 50+ systems). Had to tweak BIOS to get crossfire enabled. The price was a little high.

Other Thoughts: Nice solid board. It has plenty of room around the CPU for big heatsinks. After changing the PCIE slot settings to GEN2 from the default I was able to get 2 4350's into crossfire mode. I'm running a Phenom 8750 on it with no problems. I tend to stay behind the cutting edge stuff to keep costs down and this board was a good option that let me upgrade to a triple core but keep using my DDR2 memory.

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  • Timothy F.
  • 11/28/2009 9:30:27 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsBeware DFI customer support

Pros: I bought two of these boards because of the features. Plenty of features, but DFI has lost their price discount of earlier days compared to Asus and Gigabyte.

Cons: Runs really really hot, but be very careful. If you "alter" the board in any manner, such as attaching a small fan with double stick tape to the nbrige heatsink to keep it cooler, DFI will void your warranty. I downloaded a bios from their website; it was corrupted and therefore rendered my boards to be frisbees that needed a bios chip replacement. I sent them back and got an email response that said because I altered my boards with the double stick tape, they would not replace my bios chip. They also claimed that I had "tool marks" on the board which looked like screw driver gouges, which I did not do nor could I see them after they returned the boards. DFI apparently also has no written warranty, (i asked to see one after they would not repair my board as a warranty was not included in my box) so they can make up the rules or change them to suit their needs.

Other Thoughts: Go on their website before you buy any DFI product and look at the posts from many dissatisfied buyers. They tend to remove the bad posts quick though...... After this experience I will never again buy a DFI board.

1 out of 1 people found this review helpful. Did you? Yes No

  • Angelo J.
  • 9/25/2009 6:51:27 AM
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsCould be better...

Pros: Pretty Stable
Lots of O/C Options
Pretty Startup screen

Cons: Claims to be able to use Socket AM3. This may be true but first you must upgrade to the latest BIOS. Tried this recently followed the directions for my particular system, on DFI's website. The screen said flashing was complete I restarted my system as requested. After restart my system now WILL NOT POST! What's the point of accepting the new socket if you can't even upgrade to the required bios without screwing up your board?

Other Thoughts: I've learned my lesson the hardway. I was planning on upgrading to AM3 with this mobo. Not anymore, I'll just get an actual AM3 socket mobo and then I'll actually be able to use DDR3 memory instead of having a huge bottleneck with this mobo.

Current System Specs:
AMD Athlon X2 6400+
4GIG Corsair XMS RAM
EVGA Nvidia Geforce 9800 GX2 SC
Vista X64 ultimate
WD Raptor 10k RPM 150GIG
Thermaltake Armor Case
Thermaltake 700W Modular PSU

1 out of 1 people found this review helpful. Did you? Yes No

  • Jonathon K.
  • 7/29/2009 7:56:21 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsLP DK 790FX-M2RS

Pros: Great BIOs, 3x PCIe, AM2+ can be used with the new AM3 CPUs, 790FX chipset, reset button right on board.

Cons: Chipset gets very hot, even under normal operating conditions. Front audio connector is right in front of the second PCIe lane and gets in the way of installing any kind of card. If you want SLI/Xfire, dont plan on using the connector.

Other Thoughts: BIOs are very easy to update, and support is right on DFIs website. Support for Phenoms in the newer updates.
Just purchased a Phenom II X4 955 BE AM3 from newegg, hopefully it will be a simple install.

0 out of 1 people found this review helpful. Did you? Yes No

  • Mathieu G.
  • 7/22/2009 1:14:04 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsBest motherboard I've had!

Pros: The BIOS is an overclocker dream, so many settings it's unbelievable! The power and reboot button on the motherboard was incredibly useful for me. This is by far the best motherboard I have had, and I've tried quite a bunch. Next time I need a motherboard, DFI will be my first choice!

Cons: It's such a shame that the cooling on this motherboard isn't better, the North Bridge runs EXTREMELY hot, I had to order a 40mm fan to cool it down. And you WILL need to cool it down. The SATA ports could've been better placed.

Other Thoughts: I have had this motherboard for over a week now and so far I haven't had a single issue with it. Everything is working as expected. At first, I was nervous reading all the awful reviews but I am so glad I decided to buy the motherboard after all.

1 out of 2 people found this review helpful. Did you? Yes No

  • Jarred R.
  • 7/10/2009 1:06:17 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsRMA waiting for 2nd one

Pros: -cheap
-ENDLESS bios settings (OCer's dream)
-lots of fan plugs

Cons: -buggy from day one
-SATA ports are kinda hard to get to
-Nb runs hot (my 230mm case fan took care of that though)

After installing windows Xp and updating i would get Boot.ini failure. Desktop icons would disappear. PS would keep running after windows shut down. So I ordered a new PS and RMA the mobo to be on the safe side.

Other Thoughts: Fingers crossed that the next one is ok.....

1 out of 1 people found this review helpful. Did you? Yes No

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Item#: N82E16813136044
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