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Item#: N82E16813131644

ASUS Crosshair IV Formula AM3 AMD 890FX SATA 6Gb/s USB 3.0 ATX AMD Motherboard

  • AMD 890FX
  • Phenom II / Athlon II / Sempron 100 Series
  • AMD 140W CPU Support
  • DDR3 2000(O.C.)/1800(O.C.)/1600(O.C.)/1333/1066
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Asus's ROG (Republic of Gamers) series motherboards have an unparalleled reputation within the overclocking community and their Crosshair IV Formula for AMD is no exception. Based on AMD’s top 890FX chipset, this ATX board is ready to host 6-core Phenom II processors for ultimate performance.

Enjoy up to 5.2GT/s HyperTransport 3.0 system bus and maximum 16GB DDR3 2000 (O.C.) memory in dual-channel configuration, as well as the next generation data transfer technologies – USB 3.0 and SATA 6Gb/s. Three PCI-Express 2.0 x16 slots supporting ATI CrossFireX Technology provide jaw-dropping graphics at a level you have never seen.

The Republic of Gamers consists only the best of the best - the best hardware engineering, the fastest performance and the most innovating ideas. Get ready to drive your system to the limit with Asus’s Crosshair IV Formula!

  • newegg AMD Phenom II X6 Support The Asus Crosshair IV Formula supports AMD AM3 Phenom II, Athlon II, Sempron 100 Series processors with support for up to 5200MT/s HyperTransport 3.0 (HT 3.0) system bus speed and dual-channel DDR3 memory (2000(O.C.)/1600/1333/1066 MHz), providing unprecedented computing power to match the performance levels you are looking for.
  • newegg ATI CrossFireX Technology Three PCIe 2.0 x16 slots support ATI CrossFireX to bring you a breakthrough gaming experience (dual @ x16, triple @x16 x8 x8). ATI CrossFireX boosts image quality along with rendering speed, eliminating the need to scale down screen resolution to get high quality images. CrossFireX allows higher anti-aliasing, anisotropic filtering, shading, and texture settings.
  • newegg Future Transfer Technology Revolutionary SuperSpeed USB 3.0 technology delivers up to 5Gbps bandwidth, which is 10x faster than USB 2.0 and boosts data transfer rate between PC and USB devices. Next-generation SATA Revision 3.0 interface provides up to 6Gb/s data transfer rates for enhanced performance, efficiency, convenience and flexibility.
  • newegg ROG Connect ROG Connect lets you monitor the status of your desktop PC and tweak its parameters in real-time via a notebook. It links your main system to a notebook through a USB cable, allowing you to view real-time POST code and hardware status readouts on your notebook, as well as make on-the-fly parameter adjustments at a purely hardware level.
  • newegg TurboV EVO – The Ultimate O.C. Processor The ultimate O.C. processor satisfies every level of overclockers—from die-hard enthusiasts to beginners. Auto tuning intelligently pushes the system to the fastest clock speeds while maintaining stability. Turbo Key boosts performance with just one touch; while TurboV offers more options to advanced overclockers to achieve world O.C. record. Moreover, upgrade your CPU at no additional cost with CPU Level UP!
  • newegg SupremeFX X-Fi Built-in SupremeFX X-Fi delivers an excellent high definition audio experience to the gamers and features unique audio innovations for gamers to spot enemies in 3D environment during game play. SupremeFX X-Fi also provides gamers a special tool to emphasize human voices in games to help make dialogues clearer and more audible.

Learn more about the ASUS Crosshair IV Formula


Crosshair IV Formula

Supported CPU

CPU Socket Type
CPU Type
Phenom II / Athlon II / Sempron 100 Series
AMD 140W CPU Support
2600MHz Hyper Transport (5200 MT/s)


South Bridge


Number of Memory Slots
Memory Standard
DDR3 2000(O.C.)/1800(O.C.)/1600(O.C.)/1333/1066
Maximum Memory Supported
Channel Supported
Dual Channel

Expansion Slots

PCI Express 2.0 x16
3 (dual @x16, triple @x16 x8 x8)
1 (@x4)
PCI Slots

Storage Devices

SATA 3Gb/s
SATA 6Gb/s
6 x SATA 6Gb/s

Onboard Video

Onboard Video Chipset

Onboard Audio

Audio Chipset
SupremeFX X-Fi 8-Ch audio with EAX Advanced HD 4.0 support
Audio Channels
8 Channels

Onboard LAN

LAN Chipset
Marvell 8059
Max LAN Speed

Rear Panel Ports

USB 1.1/2.0
7 x USB 2.0/1.1 ports (1 port is also for ROG Connect)
USB 3.0
2 x USB 3.0
IEEE 1394
1 x IEEE 1394a
1 x eSATA 3Gb/s
1 x Optical
Audio Ports
6 Ports

Internal I/O Connectors

Onboard USB
3 x USB 2.0 connectors supports additional 5 USB 2.0 ports
Onboard 1394
1 x 1394a

Physical Spec

Form Factor
12.0" x 9.6"
Power Pin
24 Pin


Core Unlocker - Unlock extra cores for true core performance

Turbo Key II for Easy O.C. - Level up system performance with one button

GameFirst - Prioritize packets with an intuitive interface

ROG Connect - Connect to a notebook and overclock!

SupremeFX X-Fi audio card - Bring gaming to life with HD

Manufacturer Warranty

3 years limited
3 years limited

Quick Info


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

Customer Reviews of the ASUS Crosshair IV Formula

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  • Steven T.
  • 1/6/2014 4:20:34 PM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGreat board!

Pros: Great mobo, been treating me well and I've no complaints whatsoever. Just finally took advantage of the overclocking potential, and the included tuning programs are incredibly handy.

Cons: You can't get it anymore

Did you find this review helpful? Yes No

  • Abram B.
  • 12/10/2013 2:28:09 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsStill Strong after 3 years

Pros: This board has served me through 2 memory upgrades, 3 hard drive upgrades, 4 video card upgrades, and finally; a new processor.

Kudos to both AMD and ASUS for offering a simple BIOS update to allow me to upgrade to the latest processors.

With this motherboard and FX-8350, I'm getting 5.2GHz turbo core on all 8 of my cores and my benchmarking shows me beating an i7-4770K (in certain tasks).

Cons: Not a huge con, but would have been cool.

Other Thoughts: As of this writing you can't buy these boards new, so my intent here is to illustrate the support that ASUS provides as well as the upgrade-ability that AMD puts forward. Contrast this with an Intel solution that has changed socket types 3 times in this motherboard's life.

Did you find this review helpful? Yes No

  • Daniel L.
  • 9/24/2013 3:10:50 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs

Pros: Everything from the built in Xi-Fi to the ability to crossfire as well as the many processors it supports. I love this board. The sound software it comes with makes pairing the Razer Tiamat 7.1 ABSOLUTELY AMAZING.

Cons: No Cons as of yet.

Did you find this review helpful? Yes No

  • leroy t.
  • 3/3/2013 10:48:19 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsgreat board

Pros: comes with all the bells and whistles-definatelt high end for overclockers

Cons: none

Other Thoughts: love the board

Did you find this review helpful? Yes No

  • Bret H.
  • 2/15/2013 1:02:02 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsOne of the best yet

Pros: Been running rock solidly since 10/2010. Super fast NB/SB speeds, runs 8GB ultra-low latency Mushkin RAM without issue, stays relatively cool.

Cons: none

Did you find this review helpful? Yes No

  • robert m.
  • 2/14/2013 9:40:28 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsBad mother board

Pros: probabley a good product if it is good from factory

Cons: just put together, had on shelf for some time I build them as needed but, on board ethernet does not work, had the geek squad look at, they recomend sending back, but I can't, remember 30 days is all they give you. Little discusted, have to except this, unless new egg replaces this board, Ive bought many good computer components from them though.

Manufacturer Response:

Dear Valued Customer,

We're sorry to hear about the issue you had with onboard LAN on this motherboard. Please check that the Marvell Ethernet controller (Advanced > Onboard Devices Configuration > Onboard LAN) is enabled in BIOS, that it is detected in Windows Device Manager, and that the status LED's on the port are on (one should be steady and the other blinking when there's activity). If no, we suggest sending the motherboard in for service. Please use the online submittal form at: or call us at 1-812-282-2787 to request a RMA #. We apologize for the inconvenience. Thank you.

For support information, please visit For service, visit For motherboard warranty, visit!Motherboard%20Warranty/c1c20; Refurbished products/accessories:!refurbished-warranty/c16us. For RMA status, visit:

ASUS Customer Loyalty

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  • Jeremy S.
  • 2/14/2013 4:41:19 PM
  • Tech Level: High
  • Ownership: more than 1 year

5 out of 5 eggsGreat board

Pros: Amazing board!

Cons: NONE

Other Thoughts: I have not had one problem out of this board. Been running like a champ for years.

Did you find this review helpful? Yes No

  • Jose G.
  • 1/17/2013 3:24:03 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsOne Of The Best MOBO ever Owned!

Pros: I have had this board for a while now a couple years I think, I am very impressed, I updated the bios to support new cpus, I recently upgraded just about everything on this baby and it works and runs flawless. I installed new amd fx 8350 with a corsair h80 watercooler, and overcloced it to 4.86 without any voltage increses and it runs smooth as silk, I am sure I can hit at least 5 gig, but for now I will leave it at 4.86. Also installed a 32gig set of g-skill ram ripjaw series sticks running at 1980mhz at 1.5v, I am very impressed here because I thought this board had a limit of only 16 gigs of ram but I installed 4 8 gig sticks in there and it accepted them and ran them at overclocked frequency with no problems at all, beautiful system, I love asus mobos. I also upgraded from a single geforce 580 gtx to a single geforce 690 gtx (only because this system only accepts crossfire not sli configurations otherwise I would of set up a quad sli. oh well it still has a ton of graphic power with just one of these babys) and upgraded my main os drive from a dual 600 raptors to dual ocz agility 3 in raid 0 config, needless to say this system is fast fast fast

Cons: No sli, no support for 3T+ hdds needed more sata connections, but cant complain too much it is an old motherboard

Other Thoughts: my current system specs are as follows
CPU - AMD FX 8350 stock 4.00 , overclocked to 4.86 stable

Memory - G-Skill Ripjaw seriers 1866 32 gigs overclocked to 1980 1.5v

Case - Azza Solano R 100

Motherboard - Asus Crosshair iv

Powersupply - Thermaltake Toughpower 1200W

Cooling - Corsair H 80 Hydro Series

Graphics -1 Geforce GTX 690

Sound - Creative Sound Blaster X-Fi Titanium HD PCI Express x1 Interface Sound Card

Optical Drives - 6 LG Blu-ray 10x burners

Storage - 2 x512gig Ocz Agility3 raid 0 for main drive, 2 x 1terabyte western digital raptors 64meg cache, 3 2 terabyte western digital black edition for deep storage. I did have to add a couple of Pci express cards for more sata ports. I set up a beautiful, fast multimedia, gaming rig. I have about 10 years of building systems experience and this is one of my favorites.

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

  • Anonymous
  • 1/11/2013 5:21:48 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

5 out of 5 eggsCrossHair IV

Pros: Very easy to set up and plenty of space to install everything. Fairly easy to overclock and extremely easy to flash your bios with the program included. I also like the boot sequence set up. A great board considering you can use fx cpus and i didn't even need to update the bios although i strongly reccommend just because it is always nice to have the latest updates.

Cons: I am using the fx 6100 and you cannot change the cpu multiplier with it so instead when overclocking you must change the bus frequency which isn't really a huge problem but then when going extreme overclocking you will have to fool around with the voltages which always means lots of heat. I am not sure if it is just me but with my kingston hyper-x 2 8gb sticks i have issue changing the frequency's and tend to get overclock failure messages but i'm sure that can be resolved with some finer tweaking and voltage settings.

Other Thoughts: Easy Bios, Helpful pre-installed programs such as the core unlocker and overclock utility not to mention the easy flash for bios.

Did you find this review helpful? Yes No

  • konstantinos p.
  • 12/31/2012 10:19:43 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsBEAST

Pros: Easy overclocking,durable,driver friendly,loaded with features,usb 3.0,excellent sound chip, sata 3,fast

Cons: Northbridge gets alittle warm

Other Thoughts: Ive had this for almost 3 years now without any issues and i have put this board thru hell,extremly happy

Did you find this review helpful? Yes No

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Motherboards > 
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Item#: N82E16813131644
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