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Cooler Master HAF XB EVO - High Air Flow Test Bench and LAN Box Desktop Computer Case with ATX Motherboard Support

  • Steel body, Front Mesh, Plastic bezel ATX Desktop
  • USB 3.0 x 2 (internal), Audio In & Out x 1 (supports HD Audio) Front Ports
  • 2 External 5.25" Drive Bays
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Learn more about the Cooler Master RC-902XB-KKN2

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Customer Reviews of the Cooler Master RC-902XB-KKN2

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  • Cody M.
  • 3/4/2015 12:06:16 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsSatisfied

Pros: Super easy to wire management, making this case look good is pretty simple. Hot swap bays work wonders.

Cons: It REALLY sucks if you have a sata cable unplug from the hot swap bay. The only solution is to dismantle everything (i.e GPU, front panel connectors, usb, motherboard tray, ect) plug it back in, and hope it doeasnt unplug again.

Other Thoughts: I wish Coolermaster would release an adapter that would make the 5.25" bays into hot swap bays identical to the other two.

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  • TONY R.
  • 2/28/2015 9:57:23 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsMuch bigger than anticipated, yet fairly portable

Pros: This case is a dream to work with. It has an interesting two-tier design, where the motherboard sits on the upper level, while the PSU, the drive bays, and the cable management for the PSU sit on the lower level.

My bottom level looks like something power-cable Cthulu coughed up, but better down here than up on the motherboard blocking airflow.

If you're worried about clearance of performance video cards or after-market HSFs, No worries! I have two GTX 980s stuffed in this case along with the Cooler Master hyper 212 evo HSF stuffed into this case with no hassle whatsoever.

Cons: I wish the case would have come with another hard drive mounting bracket for the hard drive caddie (not the bays in the front, but the cage inside the case). It's weird that there's two slots there, but only one drive caddie. Made no sense to me. Not enough to take away an egg, but food for thought. (if you have SSDs, either mount them in the drive cages up front, or get a second SSD mounting kit for mounting the SSDs internally)

Other Thoughts: What _is_ interesting though are the 3.5" drive bays towards the front. There's some sort of daughterboard that you connect your (up to 2) SATA data cables to and connect only one SATA power connector to in order to power both drives. It's interesting and a nice-to-have feature, kinda fitting into the whole 'test bench' thing, but mostly pointless.

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  • D-Mystified S.
  • 2/25/2015 12:39:53 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsHAF = High Air Flow

Pros: Easy to work with. (Thumb Screws) Quick release hard drives. Tons of air flow. Makes it really easy to work on the motherboard. It is easy to route all the wires so they don't interfere with anything.

Cons: The computer might be loud because it is designed for lots of fans and air flow.

Other Thoughts: I really appreciate working on my computer in this case.

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

  • Tanner S.
  • 2/24/2015 8:46:56 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsPerfect Case

Pros: This case was a perfect transition from my Haf X. Large enough to hold full ATX and Large GPU. Solid construction makes for a great feel. Couldn't ask for a better LAN box.

Cons: Only thing I can think of is I wish that it had come standard with 140mm front fans considering it has the ability to house them. No big deal though considering I'd probably replace them anyway.

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

  • Robert D.
  • 2/24/2015 6:34:27 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsLOVE

Pros: I've had this case for 2 years now, and Love this case. Love it whenever I have company over and they want to know what's inside. Great airflow. I have a MEGAFLOW 200mm fan on top, but you lose almost 2 inches for cpu heatsinks.

Cons: The hotswap drive is useless! I just uninstalled the hot swap board and just plugged my drives directly to the motherboard with sata cables. The 80mm fan locations and power supply location should switch. That way you have twin 80mm fans cooling the hard drives.

Other Thoughts: i5 2500K @ stock
Sapphire 7950 3GB
Thermaltake 750 watt psu
2 Seagate 1TB hard drives.
Cougar 12HP fans front and rear
8GB G-Skill RAM
A very simple gaming setup

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  • Ronald J.
  • 2/22/2015 11:24:52 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsAWESOME!!!!!!

Pros: Hot swap bays
Well ventilated
Water Cooler support
segregated top for better heat control
200mm top fan

Cons: Not a one. But it would be nice to have SSD how swappable trays so I don't have to screw them down. Not a big deal, but would be nice.

Other Thoughts: I've had this case for over a year and a half. Have rebuilt it several times for upgrades/improvements.

I love this case and always recommend it to my friends and family.

Now Cooler Master just needs to make a micro-ATX and Mini-ITX version of this case.

Optional see through windows on top and sides would be awesome!

To hot swap problems.

1) you need to enable hot swap in BIOS of motherboard for best success. Otherwise you risk frying your drives.

2) You need to eject the drive from the operating system or you'll risk losing data. (right click the , "Safely remove hardware and eject media" button and make sure you eject the proper thing. Mandatory for USB drives as well. or you risk losing data or even corrupting your whole hard drive.

3) never hot swap any device unless absolutely necessary.

Murphy's law: If anything can go wrong, it will and at the worst possible time!

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  • Richard P.
  • 2/18/2015 8:03:10 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggslove this box

Pros: Just got this today and I'm hooked already. Moved into it right after work. I really like the way it is built. This thing is a tank! I can put so much more in this case over my old one. I like this better than my speedo advance.

Cons: Can't have any , I shopped for it and for a while there I thought I waited too long.

Other Thoughts: Going to upgrade MOBO now so I can put more stuff in it.

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  • Nicholas P.
  • 2/17/2015 11:25:10 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsDefective USB

Pros: Case looks great, love the design..

Cons: USB ports dead, contacted CM RMA to see it is a complete nightmare. Signed up through two sites, submitted a detailed RMA. There was not a USB board selection so I specified it in detail in the comments section and provided pictures of one of the ports not powering properly.. they sent me a front panel, shows they honestly don't pay attention. Oh yeah, I just got the front plastic panel 1 month after RMA submission... Looks like I'm stuck with a dud case.

Manufacturer Response:

Good Morning Nicholas,

This is a reply to your support ticket: 00060266 from 02/18/15 @ 9:21AM with a response time of about 13 hours from when you submitted your initial concern.

"I have reviewed your Parts Request: PRUSUS1501334 as you have wrongfully selected "FRONT PANEL" as the requested part... You should have selected "IO PANEL ASSEMBLEY" If you are not sure of the correct part please do not hesitate to contact us to ensure a frustration free experience.

I have approved and submitted a re-ship of the correct part. "

Felinni M.
CMUSA Support

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

  • Jeffrey H.
  • 2/17/2015 6:42:03 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week

5 out of 5 eggsCooler Master HAF XB EVO

Pros: This case is very well built, feels super sturdy has much room in the top part where motherboard sits, Lots of cooling options for both liquid and air cooling, Hot swap bays are pretty neat too, I have 1x 120mm 5000rpm fan for exhaust, 2x 120mm front fans 1200rpm ( stock) and a 200mm fan above 700rpm, Motherboard stays below 30c cpu has stock cooler and it never rises past 60c and its heavily overclocked, I have SLI running and the cards never go past 80c , This case is a MUST buy for anyone looking for an easy access case.

Cons: Not a whole lot of management below... My power supply doesn't fit haha, I had to take side panel off and wire it in that way...

Other Thoughts: I do believe that a "Modular" power supply would be best for this case, not only can you pick and choose where stuff goes but it looks dam neat at the same time!

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  • Michelle J.
  • 2/7/2015 6:59:01 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsSolid case

Pros: Core of the case is made of strong metal, you don't have to worry about it falling apart on you, Some outside covers are lightweight and durable plastic. The case was designed to let you take off 2 screws on the top or sides in order to access the components, which means little time needed to swap out cards. On top of that, the motherboard is mounted to a fully removable tray, making it helpful when you have to access the cables underneath. Easy to clean and it comes with its own filter for the power supply. Best part is that it has so much airflow on its own you don't have to worry about overheating. I choose to stick with the stock fans they provide and can feel the airflow on all sides.

Cons: The only con I have is that it was a tight fit to get my EVGA SuperNOVA 750 power supply cables and the hot-swappable HDD cables in the same area. But, this is mainly my fault because my power supply is fully modular, which means the cables would take up extra room to plug into. The last minor inconvenience I have is that it is a tight fit to plug in cables for the internal HDD/SSD rack so if you have big hands you most likely will have to take out the motherboard in order to access the cables after initial setup. Again, not a big if you have tinier hands.

Other Thoughts: All in all, this case is AMAZING!!!! I have had it for about 8 months now and have had no issues with it.

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