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Item#: N82E16813157479

ASRock Fatal1ty 990FX Killer AM3+ AMD 990FX 5 x SATA 6Gb/s USB 3.0 ATX AMD Gaming Motherboard

  • AMD 990FX
  • AMD Phenom II X6 / X4 / X3 / X2 (except 920 / 940) / Athlon II X4 / X3 / X2 / Sempron
  • DDR3 2450(OC)/2100(OC)
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Learn more about the ASRock Fatal1ty 990FX Killer

Quick Info


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

Customer Reviews of the ASRock Fatal1ty 990FX Killer

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  • Darrell G.
  • 4/24/2015 7:01:33 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsBang for the buck

Pros: Where to begin ! Built my rig just over a year ago on a budget for gaming. Added a few things here and there when on sale, but mostly the same. First build for me since the Windows 98SE/XP days. Have maybe $700 inside this case.

My stats:
Asrock 990fx Fatal1ty Killer, FX 6300, Arctic Alpine 64 Rev2-AMD, 16 GB Gskill Sniper 1600 (9-9-9-24), 120 GB M.2 Crucial M500 SSD (OS), 256 GB Crucial MX100 SSD(Steam), 250 GB Samsung EVO250(Origin), 1TB WD (data/backup drive), LG DVD-RW, XFX R9-270x, Thermaltake TR2-600 PCU, Rosewill Challenger U3 case. Windows 8.1 64Bit.

Play all types of titles including Shadow of Mordor, BF4, DA:Inquisition, Thief, ES IV Oblivion, ES V Skyrim, Fallout: NV, ESO. This machine performs with NO overclocking needed @Ultra settings, never falling below 60 FPS.

That said, it is easily overclocked. Xboost and AMDs CCC functions give you adequate control and extra oomph if needed. My 6300 went to 4.6 stable with the stock cooler. Simple user interface.

UEFI is also very user friendly. UEFI enabled Bios update over 'net. No work arounds needed for machine to install Windows or recognize the drives. XMP profile works great for G Skill.

No bloatware required. You don't have to install any of the bloat if you don't want it. The Killer E2200 Ethernet port will accept the 8161 driver. On board sound functionality is better with the Realtek software, but not needed. That said, the Apps for this MoBo are decent. See Cons for 1 bugaboo.

Disk transfer rates when installing/backing up games, installing mods, etc. is sufficiently fast. Drive to drive with large files, I average 150-180 MB/sec. Slows down a tad with large amounts of smaller texture files, but never falls below 80MB/sec.

Board layout with this Rosewill case provides for easy installation, upgrade, and cooling. Case fan, USB, and other connections arrayed around the board for ease of cable management for even the most OCD nip and tucker (including myself). Only 4 wire ties were required. Visually appealing. See cons for 1 minor note.

Performance does not change relative to up time or extended use. I get the same FPS on a fresh boot that I will get 6 hours later. Temps are stable. See cons for minor note. OS remains stable.

In short: I purchased this while on sale and it doesn't owe me any money. If I do another FX build, I will be using this board.

Cons: I noted 3 minor cons in my pros, and it's really nitpicking to call them cons. Not even worth subtracting a fraction of an egg.

Con 1: Apps and software updates. AT LAST CHECK. To get the latest updates for some of the bloatware, you have to go to the 88X Killer page on AsRock's site to get them. Network manager being one of them. It's almost as if they stopped uploading the updates to the 990fx page.

The board's memory support list could be updated as well. Although that's probably an issue for all MBs.

Con 2: The SATA connections are on the bottom right corner. Consider having two cables with 90 degree connections and 2 with straight. Was not a real problem with my case and the back wire channel lining up with the ports, but for smaller cases could be an issue.

The M.2 shares with the ESata, so you can't use ESata rear or front with an M.2 SSD on board. I really wish there were 1 or 2 more SATA ports to work with. If I had one beef with this Mobo, this would be it. Would be nice to throw in another HDD or optical drive.

Con 3: As many will find on various forums, the Northbridge runs hot. I'm not sure if it's really a con and designed to run that way. Mine averages 60-63 Celsius. It climbs there within 3 minutes of boot BUT stays there even after extended use.

Not really an issue for me, because to overclock this machine would be only for benchmarks and bragging rights. I don't need it. Those who will be overclocking may want to consider alternate cooling for the north bridge.

Other Thoughts: Would buy again. Would recommend to a friend.

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

  • Michael C.
  • 4/22/2015 10:18:21 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week

5 out of 5 eggsGreat Upgrade

Pros: 990FX Chipset - Easy setup.

Cons: none

Other Thoughts: I upgraded to this from an ASRock 970 Extreme3. Best part was the base drivers are the same, except for the NIC. Since I use straight up AMD Drivers I easily swapped my boards around, and started up with no issue.

My FX 6300 still tops out at 3.8GHz in Turbo, but I have found this to be the norm with the 6300 revision I am using.

I got this somewhere else as part of a deal when I build a friend a new computer.

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  • Robert M.
  • 4/15/2015 7:29:45 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsSmooth

Pros: UEFI bios, S/PDIF Out, 3 Year Warranty, easy overclock utility, Purity sound, eSATA, 7.1 CH HD Audio with Content Protection, fast boot, dehumidifier, XFast RAM etc.

Cons: The only con for my configuration, was the positioning of the SATA slots In the chassis. It was very tight on two of the SATA connections.

Other Thoughts: if you are not used to the UEFI bios, walk slowly if you're going to overclock in the bios. It is much more complex than previous bios versions. F-stream an easy to use overclock tool. If you enjoy complexity, you will have fun in the bios. My computer was built using a Samsung 840 EVO SSD drive, a 1 TB HDD drive, and 32 GB of crucial ballistic DDR 3-1866 memory. The memory overclock easily to 2133. This computer is smooth, sleek and fast.

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

  • Jason S.
  • 4/3/2015 4:23:37 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsBAH

Pros: Red and black.

Cons: Requires HDD's to have a special type of partition. Very little support from customer service.

Other Thoughts: I forget if it requires a GPT, or an MBR partition. Whichever is less common. My EaseUS partition master software was unable to configure my SSD (Radeon 240GB SSD) to be compatible. Radeon's support didn't even understand what was going on.... Swapped out with an ASUS Sabertooth, no issues, running.

Manufacturer Response:

Dear Valued ASRock Customer

Thank you for purchase and review.
The HDD partition (GPT or MBR) is not related to mainboard but the drives and OS.
However, mainboard works with both GPT and MBR.

If you have any technical Support inquiry, please contact us at We will assist you shortly.

Thank you

ASRock Support
Tech Support Email:

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

  • Ryan W.
  • 3/31/2015 6:54:18 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsASRock killer 990

Pros: Great price for all the features. Worked out of the box with no issues during setup and install.

Cons: None

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  • Noah J.
  • 3/22/2015 3:30:29 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsNice Board Bro!

Pros: I have had this board for over a year now. I want to preface this by saying; I PUT THIS BOARD AND THE CPU IN IT THROUGH HELL AND IT STILL WORKS. As of right now I'm running an FX-9370 with this baby. I've used the build that it's a part of right now as a daily driver since mid January 2014. I've Overclocked, Over-volted, Under-volted, and even had my 9370 overclocked to 5.1 Ghz with air-cooling on a 100 degree day in the middle of Georgia. Even through all of that the board is still fully operational and is still in use right now.

Cons: The first few days I had this board running in the build I had 2-3 blue screens. It has blue screened periodically when Idling or under light loads but never when it's under heavy load while I'm gaming or rendering something. I'm pretty positive that it's something to do with my processor and board combination , seeing as the ASRock website doesn't say the CPU is supported on this board. The Northbridge gets pretty hot even if you have good airflow in your case.

Other Thoughts: Pros:
- Can take a beating
-Good daily driver
-Decent overclocker

-Blue Screens sometimes
-Northbridge runs HOT

TL;DR ~ Great board, Good Price, Minor Hiccups, 8/10 Would Recommend

4 out of 4 people found this review helpful. Did you? Yes No

  • Dustin T.
  • 3/21/2015 1:41:52 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat first build

Pros: Cheap, the UEFI was extremely easy to use and figure out. I recommend this motherboard who's looking to build a cheaper gaming pc for their first build as it has a lot of potential to do some pretty cool stuff with.

Cons: I really don't have any complaints about it.

Other Thoughts: This was for my first build and is amazing for how inexpensive it is.

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  • jerry h.
  • 3/18/2015 2:40:11 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsalot to work with for little money

Pros: so much u can do with this board well worth the money.

Cons: none so far.

Other Thoughts: holds good overclocks. enuff options to be a mainstream desktop.

Did you find this review helpful? Yes No

  • John L.
  • 3/14/2015 7:12:12 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGreat motherboard for the price

Pros: 8+2 Power Phase lets me use my FX-8350.
Being able to update the BIOS from the BIOS worked great for me.

Has been running rock solid stable for the past 10 months. No BSOD, no hangs. I've been gaming on this thing pretty hard since I got it, and it's taking it like a champ.

Cons: Most of these are just minor complaints, since I was able to get this board working just fine in the end.

Color Scheme is horrible
Could use a few more SATA Ports
No noticeable difference between the Killer USB port and a standard USB 2.0 with my mouse.
USB 3.0 Header is a little flaky. I'm not sure if it's the ports on my case, but they seem to work when they feel like it.

Audio quality from the built-in sound isn't the greatest. Took quite a bit of tweaking to get it to sound right in games.

I only ran into a few issues when first setting up this motherboard. Mainly the Atheros Killer NIC. Drivers from ASRock just wouldn't work at all. Obtaining them directly from Atheros solved the issue.

Did not recognize my RAM at first. Had to boot into BIOS with one stick 4GB stick installed, and manually configure it. After that it recognized all 16GB of RAM.

Other Thoughts: I have been using this motherboard the past 10 months without any issues. It's true that the VRMs and the North Bridge do run rather hot, but this has not been an issue for me. I have this installed in a Cooler Master HAF 932 Advanced full tower with a massive amount of airflow.

I haven't really bothered to try any overclocking as I don't really need to. The FX-8350 provides more than enough at stock speeds, and never overheats with my Corsair H60 liquid cooler.

Overall, this is a pretty decent board with a lot of features. I would recommend this to anyone not really interested in overclocking since it does run rather hot at stock settings.

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

  • Allen S.
  • 3/13/2015 9:37:55 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggs

Pros: Have M2. SATA port. Full x16 for Crossfire and has molex power for high power GPUs. Software for NIC and the NIC is supposed to be good for gaming. 8+2 power phase.

I did not run into any software glitches and everything installed fine. No BSOD or problems.

Cons: Runs hot. Way too hot. I saw a review of this after I already made the purchase, and the review was that the board runs hot and not energy efficient. I thought all AMD CPUs run hot but this is more unusual.

My 8320 running at stock the VRM already idles at 45C. CPU idles around low 30s. Full load and it shoots up to mid-50s. From what I read 8320 temp needs to be under 60s so no chance of any OC.

Other Thoughts: For the price that I paid it was okay, and for the purpose that I want it is also okay. If you want high end and OC, you need to go with ASUS Sabertooth or Crosshair. If you grab this expect no OC. For my Antec case I have 2 intake fans, 2 internal fans blowing on the south bridge, 2 top exhaust, and 1 rear exhaust. Still hot.

My build -
FX 8320
ASRock Fatal1ty 990FX Killer AM3+
Thermaltake Frio
EVGA GTX 660 x2 in SLI
16GB Kingston DDR3
ADATA Premier Pro SP600
SilverStone Decathlon 800W PSU
Lite-on DVD drive
Antec P280 case

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

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Item#: N82E16813157479
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