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Cooler Master > 
Item#: N82E16811119272

Cooler Master HAF 912 Blue Edition - High Air Flow Mid Tower Computer Case

  • SECC/ ABS Plastic ATX Mid Tower
  • 1 x USB 3.0, 1 x Audio, 1 x Speakers Front Ports
  • 4 External 5.25" Drive Bays
  • 6 Internal 3.5" Drive Bays
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Get advanced features usually found only on high-end cases from the Cooler Master HAF 912 RC-912-KKN4 mid-tower case. The RC-912-KKN4 supports twelve devices, high end GPU cards like the ATI Radeon HD 5970 and the NVIDIA GTX 480, large CPU coolers, two 200mm fans, six 120mm fans, and more! Plus, you'll find features of HAF 932 & HAF 922 on the HAF 912 RC-912-KKN4, including ease of installation, high airflow, and compatibility with water cooling hardware. HAF 912 also embodies the rugged aesthetic and qualities of its brethren. Cooler Master HAF 912 is fully featured but attractively priced - perfect for enthusiasts and budget conscious gamers alike.

  • newegg Excellent Cooling The COOLER MASTER HAF 912 RC-912-KKN4 delivers efficient ventilation and effective system cooling thanks to the support for two 120mm external radiator fans and six 120mm internal fans. (one 120mm front fan can be swapped to one 200mm fan, two 120mm top fans can be swapped to one 200mm fan; one 120mm blue LED front fan is preinstalled)
  • newegg Superior Expandability The Cooler Master HAF 912 RC-912-KKN4 boasts four exposed 5.25" drive bay, one exposed 3.5" drive bay (converted from 5.25" bay), six hidden 3.5" drive bays and 2+2 (converted from 5.25" bay) four hidden 2.5” drive bays as well as 7+1 PCI expansion slots for increased expandability.
  • newegg CPU Retaining Hole and Removable Dust Filters CPU retaining hole allows easy heatsink installation and removal. The dust filters block dust outside of the enclosure and is removable for easy cleaning.
  • newegg Support for Long Graphics Card The Cooler Master HAF 912 RC-912-KKN4 supports high-end graphics cards like ATI HD 5970 and NVIDIA GeForce GTX.
  • newegg USB 3.0 I/O Panel One USB 3.0, one audio, and one speaker port are all located on front panel for handy connection to various peripherals.

Learn more about the Cooler Master RC-912-KKN4

Model

Brand
COOLER MASTER
Series
HAF series
Model
RC-912-KKN4

Spec

Type
ATX Mid Tower
Color
Black
Case Material
SECC/ ABS Plastic
With Power Supply
No
Power Supply Mounted
Bottom
Motherboard Compatibility
Micro ATX / ATX
With Side Panel Window
No

Expansion

External 5.25" Drive Bays
4
External 3.5" Drive Bays
1 (converted from 5.25" bay)
Internal 3.5" Drive Bays
6
Internal 2.5" Drive Bays
2 + 2 (converted from 5.25" bay)
Expansion Slots
8 (7+1)

Front Ports

Front Ports
1 x USB 3.0, 1 x Audio, 1 x Speakers

Cooling System

120mm Fans
1 x 120 mm front fan, blue LED 1200 RPM, 17 dBA

Physical Spec

Dimensions
19.50" x 9.10" x 18.90"
Weight
17.80 lbs.

Features

Features
Front I/O for easy access

Top platform for personal belongings

CPU Retaining hole

Water Cooling outlets

Supports two 120mm radiator fans

Backup screw holder

7+1 slots for increased expandability

Two 3.5" or 2.5" / 1.8" HDD/SSDs

Supports high-end graphics cards like ATI HD 5970 and nVidia GeForce GTX

Removable dust filters on the bottom and front cover

Cooling System:
-Front: 120 mm fan x 2, 1200 RPM, 17 dBA (one is optional,can be swapped for one 200mm fan)
-Top: 120 mm fan x 2 or 200mm fan x 1(optional)
-Rear: 120 mm fan x 1, 1200 RPM, 17 dBA
-Side:120/140 mm fan x 1 (optional)

Manufacturer Warranty

Parts
2 years limited
Labor
2 years limited

Quick Info

Warranty

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


Customer Reviews of the Cooler Master RC-912-KKN4

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  • William B.
  • 7/15/2014 10:03:30 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat Large Box

Pros: Great value has many vents and accepts large video cards. It also has USB 3 Mobo connection.

Cons: None

Did you find this review helpful? Yes No

  • Christophe C.
  • 6/7/2014 2:28:26 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs

Pros: Good looking case. Low price but has everything you need in a case. The edges aren't too sharp and there is enough space for cable managment. It's my first case and I'm really happy with it.

Cons: -

Did you find this review helpful? Yes No

  • Philip C.
  • 5/12/2014 6:40:13 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat Case!!!

Pros: Great case! Mother board and everything went together great. Had to alter it for the Cooler Master Seidon 240 to make it fit. Looks great and runs super quiet!

Cons: None!

Did you find this review helpful? Yes No

  • Richard W.
  • 5/1/2014 11:22:28 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsCooler Master HAF 912

Pros: Solid construction. Plenty of space. Flexible options for mounting hard drives and SSDs. Top hard drive cage and SSD cage can be removed, providing more space and improving airflow. Decent cable management. Lots of cooling potential with extra fans. Easy to remove front and side panels. No sharp edges to cut myself. Tool-less drive mounting. USB 3.0 port on the front.

Cons: Interior could have been painted black. A second 120 mm fan should have been provided in the front. Since I'm using the system on carpet, I would have appreciated taller feet to improve airflow to the PSU. I've mounted the PSU with the fan facing up for that reason.

Other Thoughts: What a solid, well designed, well assembled case for only 60 bucks! It looks a little funky, but it's not too outlandish. I added a second LED fan in the front. The LED fans look cool.

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  • JEFFREY L.
  • 4/29/2014 7:51:44 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsGood case, typical of Cooler Master cases.

Pros: I have built numerous gaming PCs using Cooler Master cases and I have never been disappointed. The quality, design, and price always makes Cooler Master cases one of my first choices.

Cons: Wish the inside of the case was painted black like other Cooler Master cases I've used in the past.

Top of case where you can install fans is a little bit flimsy.

Did you find this review helpful? Yes No

  • Anonymous
  • 4/24/2014 9:51:59 PM
  • Tech Level: Average
  • Ownership: 1 day to 1 week

4 out of 5 eggsA little damage

Pros: Nice case lots of space.

Cons: When i recieved the case it was a little damage. It was bent on the back side making the side cover not go on all the way.

Did you find this review helpful? Yes No

  • Joseph C.
  • 3/25/2014 5:44:34 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsNot for use with Cooler Master's 240mm radiators and similar

Pros: Nice price

Good cable maintenance

Lots of fan space and air flow

Ample drive space

Good for larger video cards

Cons: I just got this case and the Cooler Master Seidon 240 because I'm planning on putting a strain on the processor and I'd rather have more than enough cooling power than not enough. Unfortunately, the 240mm radiator does not fit inside the case - the ends extend past the fans and they keep the screw holes from lining up properly.

Not until you read the installation guide is there a mention that there may be an issue.

"How to install the radiator
Note: Internal mounting of 240mm radiator not recommended, instead mount above the chassis"

The Seidon 240m is factory sealed, and you would have to disconnect the hoses to mount the radiator "above the chassis" and get the block back inside through the tube holes on the back of the case. Even then they would have to be a little bit longer to get them to go through those holes and over to reach the CPU. I'm not going to compromise the water block like that.

Wish I'd known there was an issue ahead of time.

Other Thoughts: The case itself is a good case with nice features. It's why I'm not giving it a 1 or 2 egg rating. If you aren't using the cooling solution I chose, (a 240mm radiator) you most likely wont even be impacted at all. However, I wonder... is it wrong to expect a company like Cooler Master to design their cases to be compatible with it's own cooling equipment or to let you know its not compatible with it - before you buy it?

In fairness, this is a MID tower, not a FULL tower and I guess that is where some of the space was taken from. Just because the fan sizes on the Seidon are compatible with this case, doesn't necessarily mean that the Seidon itself is too. Again, I just wish I'd known first. Perhaps this will keep someone else from making the same mistake.

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

  • John S.
  • 3/19/2014 8:32:42 PM
  • Tech Level: Average
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsGreat buy!

Pros: Spacious, had no problem fitting all my parts. Sturdy, body is made of steel. Can remove the large 3.5 cage for more room and Airflow. Provides adequate cable management options. Up to 6 fans. Pretty cool looking. Fast shipping. and lastly has that Usb 3 port on the front that the regular haf 912 lacks.

Cons: Inside should have been painted, and should have came with more clips for the 5.25 bay.

Other Thoughts: Came in the Mail today and immediately got to work. No problem installing the PSU, Motherboard, Optical drive, Hard Drive, and GPU. Had more than enough room to work and plenty of cable management options. Great buy for $60, more than happy with this purchase

Did you find this review helpful? Yes No

  • Mike W.
  • 3/19/2014 12:07:11 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWow factor is super high

Pros: Price
Air Flow!
Quiet
Quality material and build
Versatile component install
Looks
Room for cable storage out of site
Set up for SSDs
Tons of installation hardware

Cons: Please see other thoughts, it's hard for me to mention cons on this great product.

Other Thoughts: K, the bottom case legs should be longer for carpet use and it would be nice if they sold a model with all the fans installed (of course it would cost more money). But hey, fans are easily installed and inexpensive, This replaced an older Antec 900 and I am now a Coolermaster fan! 6 eggs I say!

Did you find this review helpful? Yes No

  • Philip H.
  • 3/2/2014 2:27:21 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs

Pros: Great case thats solid and looks good, easy to install MB Wire management is good fans it comes with are very quit

Cons: none I can see

Did you find this review helpful? Yes No

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