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Cooler Master > 
Item#: N82E16811119256

Cooler Master Elite 431 Plus - Mid Tower Computer Case with Windowed Side Panel and USB 3.0

  • Steel Body (0.5mm SECC), ABS plastic ATX Mid Tower
  • USB 3.0 x 1 , USB 2.0 x 2, Mic x 1 , Audio x 1 Front Ports
  • 3 External 5.25" Drive Bays
  • 5 Internal 3.5" Drive Bays
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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The new Elite 431 Plus builds upon Cooler Master expertise and delivers high-end features in the affordable market space. Cooler Master believes that just because something is affordable, it doesn’t have to lack features or be a “budget” product.

The Elite 431 Plus features a classic black Cooler Master design with clean, yet attractive lines. It has been built to last and uses high quality materials, unlike many “budget” products that tend to use cheaper materials that don’t last. It’s also been designed to keep the components inside the case cool and not only does it have space for plenty of additional cooling fans, but it can also be fitted with large CPU coolers, such as the Cooler Master Hyper 212 Plus.


  • newegg Excellent Cooling The COOLER MASTER Elite 431 Plus comes with one front 120mm blue LED fan, front ventilation design and four extra fan mounts for efficient ventilation and effective system cooling.
  • newegg External SATA X-Dock The external SATA X-Dock allows hot-swap data access to your 3.5" SATA HDD, eliminating the hassle of opening case and groping for the cables.
  • newegg Transparent Side Window The transparent side window provides a direct look of inner system. The blue LED fan gives out mystic light for an eye-catching fun.
  • newegg Easy Installation The tool-less design for 5.25" and 3.5" drive bay enables easy installation and upgrade. It also supports ultra-long VGA card within 400mm, making it an ideal dwelling for high-end card.
  • newegg Bottom Placed PSU The bottom mounted PSU design allows for independent and optimized cooling.
  • newegg Convenient I/O Panel One USB 3.0 port, two USB 2.0 ports and one mic jack & headphone jack allow easy access to a variety of peripherals.

Learn more about the Cooler Master RC-431P-KWN2


Elite 431 Plus


ATX Mid Tower
Case Material
Steel Body (0.5mm SECC), ABS plastic
With Power Supply
Power Supply Mounted
Motherboard Compatibility
Micro ATX / ATX
With Side Panel Window


External 5.25" Drive Bays
External 3.5" Drive Bays
Internal 3.5" Drive Bays
Expansion Slots

Front Ports

Front Ports
USB 3.0 x 1 , USB 2.0 x 2, Mic x 1 , Audio x 1

Cooling System

80mm Fans
120mm Fans
1 x 120mm Blue LED fan
Side Air duct

Physical Spec

7.55" x 16.8" x 19.6"
11 lbs.


Front 120mm Blue LED fan for better airflow

Tool-Free mechanical design for quick assembly and maintenance.

Easy access front I/O panel.

Supports long graphics cards including HD Radeon 6990

Includes USB 3.0 for faster data transfer

External SATA X-Dock (1 x 3.5" External SATA HDD Bay - converted from one 5.25" bay)

Cooling System:
Front: 120mm Blue LED fan x 1, 140mm (optional)
Top: 120mm fan x 2 (optional)
Rear: 80/90/120 mm fan x 1 (optional)
Bottom: 80/90/120mm fan x 1 (optional)

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Cooler Master RC-431P-KWN2

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  • Eric L.
  • 9/4/2014 3:25:14 PM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat Budget Case

Pros: Low price tag
A lot of fan mounts, support for 80mm-120mm (come with one 120mm fan that is pretty quiet)
All black screws (more then enough to get everything mounted)
X-Dock (hot swap sata)
USB 3.0

Cons: None

Other Thoughts: Tool-less drive mount. It's a PRO if you want them/need them, but in IMO they don't add much value (I would have liked to have an extra PWM fan instead).

Did you find this review helpful? Yes No

  • James G.
  • 9/1/2014 8:04:50 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggs

Pros: Good size and layout, bot built like a brick but a good balance of sturdy & lightweight.

Cons: The supplied front fan cable is really too short to connect to most motherboards - only about 12 inches and since my motherboard fan connectors are top-center and rear-center I can't connect to the motherboard without using an extension. As well, the fan is a 3-pin, so I am unable to take advantage of PWM control anyway. Going to have another "spare part" now...

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  • Ronald S.
  • 8/4/2014 12:07:09 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGreat inexpensive case

Pros: Price and build quality are great. The Hot swap bay for 3.5 inch drives is a definite plus for me. You can use an adapter and hot swap 2.5 inch drives as well. I used it as an inexpensive replacement case for an HP desktop that I wanted to make look nice and new. The window side panel is exactly what I wanted to show off the guts of my machine.

Cons: Cable management would have been a great feature but there is still plenty of room to tuck the extra wiring out of the way.

Did you find this review helpful? Yes No

  • Peter K.
  • 7/29/2014 12:05:33 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year

1 out of 5 eggsDont get this case

Pros: Nice looking, easily opened, side panel

Cons: Expands, came scratched, heat broke back of it.

Other Thoughts: I purchased this case through cyberpower, it came damaged with expensive parts inside, 2 of 7 coolermaster fans were not spinning, cooler master is highly rated but this case is not what i expected. Will not buy again.

Manufacturer Response:

Hello Andrew,

We offer a two year warranty on our cases. We have a warrantied part request system that allows you to order parts that you may need to replace. In regards to things being damaged on the case, that is something you would most likely want to talk to Cyberpower about as to why the case came that way since they are the ones that built the PC. If you would like to discuss this issue further, you can reach me at

Please see the attached part request link if you would like to request parts.


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

  • Eric C.
  • 7/25/2014 5:43:11 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsCooler Master ELite 431 Plus - Solid Case

Pros: The case looks amazing and does a good job at looking great without being tacky like some cases. The case fan is the perfect brightness, easily seen but not distracting. There is tons of room to mount drives and the tool-less design works very well.

Cons: The cable management is nonexistent which is the biggest criticism I have with this case. The case is also rather light which some may view as a con.

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  • Thanh L.
  • 7/24/2014 10:17:47 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsSatisfied

Pros: Bigger than I thought it would. Have plenty of space left.

Cons: Nothing

Other Thoughts: Would buy this case again for another build.

Did you find this review helpful? Yes No

  • Roy W.
  • 7/16/2014 3:22:01 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggs

Pros: The hot swap slot

Cons: Built very cheap and is not sturdy. I would NOT buy this case again. I have used Cooler Master cases for a few years and this is the first one that has really disappointed me.

Manufacturer Response:


I am sorry to hear that you are dissapointed with the case. You can reach us at (888) 624-5099 and my extension is 169 if you would like to discuss ways to improve upon this case. You can also reach me at my e-mail:


Did you find this review helpful? Yes No

  • Anonymous
  • 6/22/2014 4:43:47 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGood case

Pros: size is appropriate
Very nice case
blue led

Cons: Lack of cable management
no SSD mount
Front case fan is a little noisy

Did you find this review helpful? Yes No

  • Scott B.
  • 6/21/2014 9:07:36 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsBest case for the money

Pros: This is the best case I've ever purchased. Easy to get in and access all the parts, nice turned down edges so you don't cut yourself, and excellent parts/screws kit.

The drive bay on the front is a great addition. I use mine to dual boot Linux. Need to boot Linux, just pop the drive in the front, when I'm done I remove it.

Two front USB 2.0 ports, and one USB 3.0 port are a bonus. Audio on the front is nice for headphones also.

10 out of 10, would buy this again.

Cons: No "behind the motherboard cable routing", so if you want a really clean case you might want something else. Not really something I care about though.

The top two case fans can cover the top 1cm of your motherboard, which can make it hard to get at those top screws sometimes.

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  • andrew s.
  • 6/20/2014 2:40:47 AM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsAwesome Case

Pros: Great Space, Love the Widnow, Great Setup

Cons: had and issue hooking up the front panel pins my own fault not going to drop an egg

Did you find this review helpful? Yes No

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Computer Hardware > 
Computer Cases > 
Computer Cases > 
Cooler Master > 
Item#: N82E16811119256
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