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Asus - MAXIMUS IX FORMULA ATX LGA1151 Motherboard

( 4.8 Average / 16 Ratings )




Part #

(or) 90MB0RX0-M0EAY0



Form Factor


CPU Socket



Intel Z270

Memory Slots

4 x 288-pin DIMM

Memory Type

DDR4-2133 / 2400 / 2666 / 2800 / 3000 / 3200 / 3300 / 3333 / 3400 / 3466 / 3600 / 3733 / 3866 / 4000

Maximum Supported Memory

64 GB

RAID Support


Onboard Video

Depends on CPU

CrossFire Support


SLI Support


SATA 6 Gb/s


Onboard Ethernet

1 x 1000 Mbit/s

Onboard USB 3.0 Header(s)


Completed Builds Using This Part

See All Completed Builds


Prices for this part are not available.

Price History (Excluding Tax) History:


Titan8881 7 points 27 months ago
from completed build Color Neutral

I LOVE this motherboard. It has every single little feature you could want plus some extra. Overclocking on this is really easy and the lighting is pretty great. Although I thought I was going to have to RMA my RAM because I didn't push the bottom side of it all the way in because there is no clips to visually show it is all the way in. Oops.

DevvM 60 points 27 months ago

Just to clear this up, this motherboard was expensive, however, I personally found the traits and features of this board to be well worth the price tag. The ROG shield really adds to the clean and neutral look that I was going for. Connectivity is great, the dual M.2 slots will definitely be used in the future, and the software that comes with this board is also really nice.

Sedeanimu 7 points 26 months ago
from completed build Winter Wonderland

Looks nice,works well and has mutiple extra features just cause.

Mpabs 59 points 26 months ago
from completed build i7 7700k RGB Galore!

Kind of overkill for my build but they didn't have the code in stock at the time. I recommend the code if you're not planning on adding a custom loop.

steventaylor702 34 points 26 months ago
from completed build 1440p gaming rgb build

Amazing motherboard super easy to use and extremely good lookimg.only issue I had with it is losing one of the motherboard mounting screws behind the shielding it took forever to get out I would definitely make sure to use a magnetic screwdriver when installing them

Sketch25 287 points 23 months ago

When I decided to start my build I picked the Formula IX first before any other part and built around that. I love the factory EK Crosschill vram block. Be cautious about using flex tubes if you plan on doing what I did with my build. I honestly cannot believe it did not kink going from my CPU to the vram.

Sonic4EVA 28 points 22 months ago
from completed build BLEACH: Toshiro Hitsugaya - FINAL

I absolutely love the quality of this board. Auto overclock, thermal control, RoG Armor, Aurasync LED, RGB capable, and even a custom EKWB water block over the VRM for even higher overclocking! I'm able to pump 1.401v into the CPU because of this. The BIOS flash was really handy, as I updated the BIOS in an instant using a flash drive. This is a truly capable motherboard that sits firmly between the Maximus IX Code and the (imho, overpriced) Maximus IX Extreme. If you are going to do a custom loop, do it with this mobo or the Extreme.

Endricane 15 points 21 months ago

I love this motherboard, but, for $389.99 I am going to be picky :)

The lit up section that says "Republic of Gamers" should say "Maximus IX Formula" instead.

There is already a "RoG" eye on the southern heatsink making it redundant and calling it "gamer" just seems tacky. "Maximus IX Formula" would be a more elegant, powerful and informative solution.

If anyone knows how to customize this please contact me...

Phamwow 27 points 20 months ago

I definitely am not using this board to it's full potential, but it looks perfect and handles my custom loop very well.

Pathorgus 35 points 19 months ago
from completed build The 4K 4K Build

My favorite Z270 board. The build quality of the board is amazing, its got nice accented rgb leds, good looking armor, built in wifi and bluetooth and it can be watercooled. What else could you want?