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Item#: N82E16813131874

ASUS M5A99X EVO R2.0 AM3+ AMD 990X + SB950 SATA 6Gb/s USB 3.0 ATX AMD Motherboard with UEFI BIOS

  • AMD 990X
  • FX / Phenom II / Athlon II / Sempron 100 Series
  • DDR3 2133(OC)/1866
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Learn more about the ASUS M5A99X EVO R2.0

Quick Info


  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years

Customer Reviews of the ASUS M5A99X EVO R2.0

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  • coalburner
  • 12/7/2014 6:37:16 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsasus m5a99x evo r2.0

Pros: 1. North Bridge nice and cool
2. Very Stable
3. Overclocked amd 8200 3.5ghz to 4.6 ghz, Rock Solid
4. Crucial low-profile 1600 ddr 8gbs 1.35v cas8 2t, overclocked to 2100mhz 1.65v cas7 1t...Rock Solid
5. pci express rock solid
6. asmedia usb and xchi solid
8. amd 14.4 raid or achi solid 150mb-300mb average

This motherboard is the best AMD motherboard out, I tried a few before arriving at this board.

Cons: The only 2 cons

1. You cannot set sata 5-6 to AHCI while sata 1-4 are RAID, you are stuck with IDE/RAID, RAID/RAID OR AHCI/ running SATA 5-6 ssd as achi system drive with SATA 1-4 raid configuration is not an option.

2. Asus ai suite has never really been stable with windows. Its really a shame because I like the software, but dont run it due to the stability issues. No biggy because I use bios to change settings and use speedfan, and hwinfo for fan, temp configs.

Other Thoughts: I truly am happy with this board. This board is the best overclocking I have seen in a while. And is truly the coolest(temp), and most stable board I have owned period.

I play every game out as of 12/7/2014 on ultra with no lag!

asus m5a99x evo r2

asus 290 2gb ram, overclocked, maxed with asus tweak

samsung 120gb ssd evo basic

8 internal fans, running speedfan config, 600rpm-2000rpm
(system never breaks 55c barrier)

amd 8200 3.5ghz 8 core, overclocked 4.6ghz

crucial 1600mhz 8gb lowprofile 1.35v ddr3, overclocked, 2133mhz 1.65v ddr3 1T

2 old westerdigital 500gb drives AHCI running in a software raid configuration

bluray burner sata running in ide mode
other 3 drives running in ahci mode IDE/AHCI

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

  • N/A
  • 12/4/2014 4:26:12 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsBig Paper Weight

Pros: -Nice layout.

Cons: -All three PCIe slot do not work so I cannot assess anything else about this motherboard.
At start-up, I get the Bios beep code for No VGA detected. I tried two working graphics cards in the different PCIe slots to no avail. Because of this issue, my computer will not start it just beeps.

Other Thoughts: ASUS customer support has been no help what so ever. I sent an e-mail stating that it is a new motherboard for a new build and they actually asked if it could be a driver issue and asked if I had installed any new hardware. I can't even get an operating system on my computer...what the heck ASUS!!!
I can't get an RMA because I already sent in the UPC for a rebate. So currently I am stuck with a REALLY expensive paper weight. I would not recommend this or any other ASUS product due their obviously poor quality control. If this was a refurbished motherboard, then I might be able to understand having this issue, but this is a new motherboard!!!!

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  • Teo
  • 12/4/2014 1:34:27 AM
  • Tech Level: Somewhat Low
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsLikin' Lights...

Pros: -Little LED lights let you know where you slipped up (more or less).
-4 RAM slots.
-Looks sturdy; we'll see whether or not it bends under the might of my Noctua.
-BIOS was straightforward and easy to manoever for a first timer.

Cons: -RAM slots only clip on one side?

Other Thoughts: It's a bit odd that the RAM only has one clip rather than two, but in the end it wasn't a problem; there is an audible click when you push the stick in, and the top latch holds everything securely.

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  • shaban
  • 12/2/2014 9:36:41 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsmotherboard not working

Pros: If the motherboard worked, i would have nothing bad to say, but since it doesn't, i have nothing good to say.

Cons: I just built a new rig from scratch. All of my parts were purchased from Newegg. It sucks that my family and I have been newegg customers for years and never had a problem until now. Once i connect everything and plug in my power supply, my whole computer starts, but i get no signal to my monitor & my power/reset buttons dont work. I have to RMA asap.

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  • JL99
  • 11/29/2014 11:47:16 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsSecond Time Around

Pros: Lots of SATA ports, runs cool. Easy to install. Runs like a champ. Love the Q connector which allows you to install the front panel leads on the header and then snap it place after you install the mobo. A real must for us ham fisted types.

Cons: Could use more USB 3.0 ports. Two is not enough.

Other Thoughts: This is the second one I have owned. I trashed the other one while installing it in a new case. My fault.

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  • Kurt S.
  • 11/12/2014 10:37:30 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

5 out of 5 eggsmade for raw power

Pros: This board has taken my FX9370 with a Corsair TX 650 supply and Hyper 212EVO with push-pull aftermarket fans and 8 gb of Crucial 1866 XT Sport RAM (overclocked to 1931)-to 4.88ghz. Hyper Transport running at 2700, NB 2277 (stock multipliers.) My normal startup overclock is set to 4.5 ghz. I can then shift to 4.88 within the OS using Turbo EVO. Surely this is all right at the edge of the CPU cooler's capacity, but on the other hand the Hyper212's collateral breeze plus my Antec 305's strategically placed fans keep the motherboard temps surprisingly cool. Am getting consistent Cinebench Demo CPU score of 768

Cons: This board had given me fits trying for full Cool and Quiet operation, Turbo or no, but once I tried most of the Smart Digi Key VRM management suggestions and just went with a straight overclock, my troubles have disappeared. The Key seemed to be CPU LLC set to Ultra Hi. CPU volts set to 1.368, NB volts to 1.150, DRAM volts set to a mere 1.370v. Perhaps a Con for some, but, in the end not really a deal breaker for me. I may not have had the same Cool and Quiet problems using, say an FX 6350...

Other Thoughts: I had RMA'ed this board, sent it in, and ASUS Service sent it right back to me 'repaired' with no explanation. They may 've replaced the bios chip, otherwise there was no evidence of any repair. This was originally bought as an Open Box. No doubt this board tested fine for them and may 've even been superior at overclocking. My thought is that I would have gotten to the advantages of this board much sooner had I employed LLC Ultra Hi sooner.
Note: The CPU OPT. fan header would seem to be under the same speed control as the CPU fan header. If you are looking to drive a water pump with a fixed 12v, you may want to pick a different header!

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  • RD
  • 11/11/2014 3:43:41 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsRegret buying this motherboard

Pros: None that I can see. This board ruined two processors and all Asus would do is "repair" it. I sent all items back to ASUS expecting the board to be replaced but they repaired it and did not return, the cables, manual or other items that came with the board. Asus - This is the last time I buy your products.

Cons: The motherboard destroyed the CPU and a red led indicated that the CPU had failed. At least that part worked. AMD replaced one CPU which was destroyed within an hour of being installed in the motherboard. I received a third CPU from New Egg, but I don't have confidence in installing it in a repaired motherboard.

Other Thoughts: I'll be buying from a vendor with a more solid return policy

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

  • George T.
  • 10/30/2014 2:01:57 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsProbably the best motherboard I've ever owned!

Pros: Supports 8-core FX CPUs.
Supports DDR3-1866 RAM without overclocking.
USB 3.0 ports AND header for front ports.
Sata 6Gb/s drive ports.

Cons: Absolutely none.

Other Thoughts: FINALLY getting around to reviewing this board.
I picked it up to complete my FX-8350 build. I had initially tried to use a 970-based mobo, which was an utter fail.
It POSTed the first time I tried it. It took a little bit on finagling to get the BIOS to recognize my G.Skill DDR3-1866 RAM and hold the settings, but now it boots up perfectly every time.
The system runs cool and stable, absolutely no problems or even an odd quirk. I have had friends recommend Asus boards for years, very glad I finally took the plunge. Asus is my top choice for a premium board purchase.

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  • William T
  • 10/24/2014 8:35:02 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGood chocie

Pros: Great motherboard with nice features, was perfect for my mid-grade pc build

Cons: None at all

Other Thoughts: I wasn't able to screw in the top-right corner, for some reason (I forget exactly why), but with the other 8 screws in it didn't mess anything up. I'd recommend this motherboard to anyone.

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

  • Mat
  • 10/24/2014 4:21:13 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsWorks great but...

Pros: -Has all the USB ports you could ever want
-Plenty of extra slots for future upgrades

Cons: None that were immediately apparent

Other Thoughts: Worked great for a little over a year, then I started having problems with the optical audio, my computer would say it is playing sound with the little sound window but no sound was actually coming through my headset. I concluded that it is not in fact the headset because I swapped them out and still had the same problem. A reboot fixes the problem for a short while until it decides to stop. Communication programs such as Skype and Teamspeak started to freeze up randomly aswell. Not sure if my motherboard just decided to go bad but I'm about to replace it.

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

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