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Item#: N82E16813157358

ASRock 990FX Extreme9 AM3+ AMD 990FX + SB950 SATA 6Gb/s USB 3.0 ATX AMD Motherboard with UEFI BIOS

  • AMD 990FX
  • Phenom II / Athlon II / Sempron 100 Series
  • DDR3 2450(OC)/2100(OC)
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Learn more about the ASRock 990FX Extreme9

Quick Info


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

Customer Reviews of the ASRock 990FX Extreme9

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  • Travis C.
  • 3/15/2015 1:01:57 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsIt's nice.

Pros: More than I'll ever need. Looks beautiful. Supports a CPU with up to 8 cores.

Cons: The factory where this was produced is located nearby a WWII German graveyard.

Other Thoughts: I have a paper box filled with shards of glass covered in my own blood inside my room.

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

  • Benjamin W.
  • 2/23/2015 12:22:49 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsLots of features!

Pros: This board has lots of features, both physically on the board and within the BIOS. 2-digit LED output next to on-board power and reset buttons. BIOS has every overclocking setting I've ever heard of along with lots of other options for power management, booting, and cooling control and monitoring. My favorite feature is the Clear CMOS button on the back panel!!!

Cons: Temps from programs like coretemp do not read the same as the BIOS... in fact, they read much much lower than actual. This makes using live monitoring software that sits nicely in the system tray useless. A program may read the CPU at 30°C when it's actually at 50°C, which could be devastating! ASRock provides software for monitoring accurately, but that software does not provide the flexibility that others do, such as background monitoring. (Decided not to remove an egg for this, since other AM3 boards are affected.)

Other Thoughts: There's some throttling that happens when the processor or board get hot enough. This cannot be disabled, but it's for safety reasons. I read in another review that a little airflow over the VRM's may prevent this, but I haven't confirmed. The throttling hasn't been bad enough to concern me.

2 out of 3 people found this review helpful. Did you? Yes No

  • Edward S.
  • 2/22/2015 7:55:37 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsOn the Fence

Pros: The board has a decent overall design and looks pretty with his gold lettering and jet-like sharpness. It's rich with features and appears to be easy to overclock, although I didn't have enough time with the board to get in deep with the OC features. Plenty of USB ports, both 2.0 and 3.0. Has one of the most up to date audio codecs (ALC898), which is rated for fantastic audio, both in and out and includes the 7.1+2 for separate audio from the front ports. The on-board POST code LED is helpful for quick recognition of what issues are keeping your computer from working properly. The inclusion of the POWER and RESET buttons on-board are useful during testing and set up.

Cons: The boards layout is a little frustrating: the board's audio headers for the case audio are in the back of the board, far removed from the front of the case. In fact, many of the headers for the case are far removed from the front of the case; many of them are near the PCIe slots as well, so even less room once you've installed one or more PCIe cards. I'm not comfortable with how hot the North Bridge gets during normal load; however, from what I've read, it doesn't seem to get any hotter than it should be able to handle.

As of today, my main complaint is the possibility of faulty resistors. Read my Other Thoughts for further details.

Other Thoughts: Haven't had the board long enough to get a good enough idea of what to include in the review. I've done my best to list the pros and cons that come to mind for now. However, I have one major issue concerning a resistor on my board.

While gaming and broadcasting gameplay at the same time, I smelled burnt electronics. The PC wasn't exhibiting any evidence of issue and was seemingly working perfectly fine--if not for the smell, I wouldn't have know there was an issue. However, I immediately shut off the PC and removed power. Upon inspecting the motherboard, I noticed a resistor has burned at some point.

The CPU and motherboard were NOT overclocked or altered in any way when this occurred, so I have to assume that the resistor was faulty in some way. I am currently in the process of trying to get an RMA and we'll see what happens. In any case, it's not a bad board overall and I imagine the resistor issue is a special case--I understand it happens with the way electronics are made these days.

Manufacturer Response:

Dear Valued ASRock Customer

We sincerely apologize for any inconvenience this may have caused you.
Due to power design, AMD platform generates more heat.
Please allow better air circulation inside the chassis including VRM area to avoid overheating.
If you have any technical support inquiry, please contact us at We will assist you shortly.

Thank you

Tech Support Email:

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  • Dobae P.
  • 2/22/2015 11:49:22 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsAMD FTW!

Pros: I love all the expansions this mobo comes with! And that its extremely easy to OC. And the fact I can have multiple video cards is a plus as well. Stays cool really easily!

Cons: What are these cons?

Other Thoughts: I bought this MOBO less that $180 but it popped it with the tax. If it goes back under $180 and you need a MOBO get it!

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  • Benjamin S.
  • 2/8/2015 9:21:35 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGood So Far

Pros: This board Overclocks well, and it deals with the heat. However; it does run warm, I would recommend directing a fan on the backplate northbridge, or blowing down on it.

It gives you stable voltage, you just have to figure out how to configure it. I'm used to ASROCK BIOs so this wasn't as much of a shock to me as it was to other people coming from another company.

Cons: The VCore voltage you configure in BIOS is not the same as what you get when windows 7 boots. Its about .1 - .15 lower. However, I noticed in many forums that this happens with many different boards so I'm not docking an egg, yet.

The Load Line Callibration feature (LLC) appears to be backwards compared to people who came from ASUS.

Other Thoughts: I got this board because I wanted to up my FX 6300 which runs at 3.5 gigs and my old 990fx extreme3 had 4+1 power phase meaning I had stability issues. I was able to squeak out a 3.9 stable overclock with the old board. I'm up to 4.3 stable, I could push it more, and will in time. I'm new to overclocking so I'm taking it slow.

One last note on the LLC setting. You will want to enable LLC, it greatly stablizes your voltages. Here's what I learned: 75% LLC would put me below my set voltage during low loads or idle, but when I game or Prime95 test it will jump up to the range I wanted 1.3625 for example, and it would stay there with minor jumps and dips.

At 100% the voltage is relatively locked but at a lower rate than what I set, for example: 1.3625 in bios would equate to 1.34 something, The advantage is your voltages do not jump at all, so you just have to overvolt by .02 to .03 in bios to get your desired setting once windows boots.

Disabling LLC or turning it below 75% caused my voltages to jump up to unnacceptable levels when my processor hit higher loads, which is NOT what you want to do when testing for a stable and healthy overclock.

A lot of people gave Asrocks LLC a lot of grief because it was configured differently than with another manufacturer, but in 45 min of testing I had it figured out, its not bad, its just different.

Also, to all the people whining about scratches on the VRM Heat-sinks, it is a plastic protective wrap you have to remove. Some are so well applied it appears as though plastic is not there, but it is, take a tweezers and peel it back.

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

  • Geneveive S.
  • 1/30/2015 6:31:34 PM
  • Tech Level: Average
  • Ownership: less than 1 day

5 out of 5 eggs(off topic: review) Memory Compatibility

Pros: (blank)

Cons: (blank)

Other Thoughts: Hello there.. this is might very off-topic, but I'd like to know if this Mobo really does support Max.Memory of 64GB? if yes, can any one help me and link a single stick (1x16gb) DDR3 240 pin DIMM [2450(OC)/2100(OC)/1600/1333/1066] as stated on the Specs.

I've already check and read, research and more research on a compatible Memory wherein i can use Max. @ 64GB (4x16gb) but still got curious about it because last night i'm about to buy this along with AMD FX9590 BlackEdition, etc... here's my wishlist:

and upon searching and reading forums, watching reviews it caught in to my attention this website called "" and inputted my wishlist and found out "incompatible memory".

Here's the memory I tried:
Mushkin Enhanced PROLINE 16GB


Kingston 16GB 240-Pin DDR3

EDGE Memory 16GB ECC Registered DDR3 1333

so.. theres my confusion, as i know specs stated from the Mobo ASRock 990FX Extreme9 AM3+ AMD 990FX

those frequencies are compatible... but when i did try it from pcpartpicker = incompatible with AMD FX9590 & Asrock 990fx.


My objective with this build is to be future upgrade readiness. My concept are PC Workstation / Entertainment / VM Lab Environment.
I'd like to build PC where i can max. memory specs for VM's lab environment and also power to do editing & rendering... as well as to experience mid-to-high range of gaming.
This specs i choose as for starters and soon to be upgraded (5-6-8 months maybe) but for now its for tight budget which is under 900$ for starters.

Please, can anyone suggest or help me with this. it's my 1st PC build and 1st AMD computing machine to use.
And also does website "pcpartpicker" really reliable?

Thanks in advance.

0 out of 3 people found this review helpful. Did you? Yes No

  • James M.
  • 1/19/2015 10:40:10 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner


Pros: 12+ power phase great for OC very smooth operating temperatures compared to most boards which temperatures really fluctuate and stress the gpus and cpu.

I run this exact extreme9 board with
8gb Gskill Ripjaw ddr3 pc312800
Corsair H80 classic Watercooler
AMD FX6300BE @ 4.7mhz 65C Prime95
(Turbo disabled full time 4.7mhz 6 core)
2x Powercolor Radeon 6970 Crossfirex @940/1425
(Custom 1000ml+ water loop)
I have two mid radiators on a mid atx case. It is the deep cool tesseract one extrenal blowing in one and one internal sucking in. Gotta see this thing it is a monster! First computer I built all by myself! Building i3 server next! Counting down hours till parts arrive!

With this 990fx chipset and the parts I listed it scored over a 6500 on Firestrike 3dmark (demo) !!!! THOSE ARE INTEL core i5-i7 NUMBERS!!! I can only imagine what this thing would pull with 16gb of 2400+mhz memory!!! Probably 7000+!

I love Newegg!

Cons: If you water cool your gpus, the southbridge LED doesn't read accurately.

Other Thoughts: Buy it

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

  • Richard G.
  • 1/8/2015 4:34:35 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsBeats my old ASUS Sabertooth 990FX!

Pros: Premium Gold Caps, 12 + 2 power phase design, Intel Gigabit LAN, Dr. Debug indicator on-board and the nicest looking motherboard design for AMD. The UEFI take time getting used to and should be studied well before judging it, figured the menu out and got spot on settings right, it even has network BIOS update built in which makes flashing stupidly easy, fast & ultra fast boot support as well. Got my FX 8350 OC'd to 4.8 without voltage modification with cool n' quiet and C6 power saving features enabled. This board seriously Rocks!

Cons: If only this board had a better on-board sound chip such as the creative sound blaster z built in, this board totally rules.

Other Thoughts: This is my first ASRock board coming from ASUS-fanboy and really I'm quite glad I made the switch for AMD based boards.

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

  • Boris L.
  • 12/26/2014 5:08:38 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsOver-engineered, yet semi-reliable?

Pros: On the paper it's the second best motherboard out there after ASUS Crosshair
Solid looking
Lots of USB slots, lots of SATA ports

Cons: Starts okay, however I find it has way over-complicated BIOS without proper instructions what to set where & in what circumstances. Could not find too much help online either; few bits of info from tom's hardware, few from over-clocker's etc, but nothing really clearly in user manual (WHERE IT SHOULD BE IN THE FIRST PLACE!)
So set 4 SSDs in ACHI & DVD in IDE (otherwise it wouldn't even work) - BIOS sees only 3. Figured, I'll rather set 3 SSDs in RAID 0. Set them up as req, going to install OS - no disks found, and in BIOS - unable to find on drive... So much for that then.
I will spend some time to narrow it down to exact component, but weird thing is, I pull SSDs out of working ASUS. Hmm...
Read reviews, saw one dude had very similar issues with HDDs

Other Thoughts: I will change rating as I go, "2" for starters. Was hoping getting a good product for the money... will see.
Btw, customer service should have a chat option for cases like that, not just email and long waiting phone lines.

Manufacturer Response:

Dear CreoX,

We sincerely apologize for any inconvenience this may have caused you.

For two questions, please refer to the following suggestions to configure your system again, we hope it will help you on it.
1. Set 4 SSD in AHCI & DVD drive in IDE mode
-- Please connect 4 SSD to SATA3_1 to SATA3_4 ports and the ODD to SATA3_5 or SATA3_6 for testing.

2. Build RAID Volume (Three SSD)
-- Please connect three SSD to SATA3_1 to SATA3_3 to build RAID0 Volume, and connect ODD to SATA3_5 or SATA3_6 port.
During OS installation, the additional SATA driver need to be loaded for setup RAID volume.
Driver link:
After loading the SATA driver, your RAID volume will appear and you can check the partition of your RAID volume.

The user manual and RAID installation guide are as below for your reference.
RAID Installation Guide Link:
User Manual link:

If you have any question, please feel free to contact us by our Technical Support Email:
We'll assist you as soon as possible.

Tech Support Email:

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

  • MUDIT B.
  • 12/22/2014 1:47:39 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsWill not wake up from sleep

Pros: Works well while ON

Cons: Will not wake up from Sleep or Hibernation

Other Thoughts: If anyone has suggestions, please share

Manufacturer Response:

Dear Valued ASRock Customer,

For this issue, please refer to the following suggestions to check your system for testing.
1. Load BIOS default settings to check if system can resume from S3/S4 normally.
2. If the VGA driver isn't installed normally, it will cause system couldn't resume from S3/S4.
Please check if VGA driver is already installed or re-install from the following link to try.
Without add-on VGA card, please install onboard graphics driver from the following link.
If you install the additional VGA card, please install the suitable VGA driver for your VGA card to try.
3. If possible, please change another memory or VGA card for testing.

If you still need any assistance, please feel free to contact us by Technical Support Email: and describe your whole sysetm configurations including OS version in detail.
We'll assist you as soon as possible.

Thank you very mcuh!

Tech Support Email:

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

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Item#: N82E16813157358
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