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Item#: 9SIA24G28M4528

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

Quick Info

Warranty

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


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

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  • Tom S.
  • 1/20/2015 8:35:19 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsExcellent case!

Pros: Fits full ATX boards
Plenty of expandability
3.5" internal HDD bays
Hot swap bays

Cons: Cable routing requires forethought and more cable ties than are included.
Could use another 5.25" bay, although I'm not sure where CM would put it.
Could use additional front USB (2.0) ports.
Dust filters should be included.
200mm fans don't fit with high-profile CPU coolers.

Other Thoughts: This case looks phenomenal, fits under the hutch on my desk, and has more than enough room for everything I need to fit in it. Initial setup wasn't difficult, with the exception that you can't use angled SATA cables in the hot swap bays. The revisions in the Evo version of this case are well thought out over the original, except, again, angled SATA on the hot swap bays would be nice.

Installing my system in this case wasn't complicated, except for the cable routing. No matter how much thought you apply to how the cables are routed, or how much you wrap up your modular power supply cables, you will invariably end up with kind of a mess downstairs. Access to the bottom part of the case is very restricted after the motherboard tray is installed.

I wish this case had 1 more 5.25" bay, so that users could have both a 2-slot fan controller and an optical drive, or a 1-slot fan controller, an optical drive, and another accessory like the NZXT Hue. That said, there's really nowhere to put it short of removing a hot swap bay.

The inclusion of front USB3 is nice, but it'd be nice if there were a couple of USB 2.0 ports included as well.

My CM Hyper 212 Evo is too tall to fit in this case with the optional 200mm fan on top, suggesting that watercooling might be a good option in the future. This case supports up to 240mm radiators in the front, and 120mm radiators in the rear, although 240mm rads may not fit well with longer GPUs if you want a push/pull. Fits my 280x quite well, though, and keeps everything nice and cool.

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  • Seth D.
  • 1/20/2015 3:51:53 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsIts a case with an odd shape

Pros: Built a X999 Crossfire setup in this case. I bought the 200mm fan to install on the top for GPU cooling as that is a MUST! Case is "OK" TBH with you all, i wouldn't do another build in this case nor buy another one. Way to cramped and I shouldnt have gone off youtube recommendations for this purchase.

Cons: Needs a little more space, just not a fan of this case and will replace this case soon with a phanteks case

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  • Anonymous
  • 1/15/2015 12:17:08 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

5 out of 5 eggsReally Cool

Pros: Just bought this case because i thought it would be awesome to have seperate areas in the case. The motherboard sits in the middle with the power supply and the hard drives underneath and on top the various graphic cards and processors, wireless nic and so on.
Cooler master did a great job of giving the case a lot of room, my r9 280x fits and that is one long card. You can get a 200mm fan and 2 80mm fans for improved airflow or liquid cooling.

All the extra bits are easy to remove or install.

Cons: I was concerned buying the case because it has a component that connects the hard drives to the motherboard, for added convenience, which has fried some peoples hard drives. So when i got it it took me 2 minutes to unscrew the component out and i was good to go.

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  • Dillan R.
  • 1/14/2015 8:44:13 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggssickest case i've ever owned

Pros: Just buy it. Its too awesome to not.

Cons: none. You can mod this thing to your hearts content with nothing more than a hot knife and a hacksaw.

Other Thoughts: EXPLOSIONS.

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  • Joey B.
  • 1/14/2015 4:08:54 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsBest Case Ever

Pros: 2x Hot Swap bays for Hard Drives.
Can hold 4-5 3.5 inch OR SSD's.
Tool-less mounting of HDD's and Disk Drives
High Air Flow
STURDY! - WOW!
Can mount 2x 120mm OR 140mm fans in front (case comes with 2x 120mm silent fans).
Removable Motherboard tray with large cutout for CPU backplate
Everything sits HORIZONTAL. No worry of strain on your slots or CPU heat-sink.

Cons: Does not include a 120mm fan for the rear, or any of the 2 80mm fans that can be mounted to cool the internal HDD cage. But for an $89 - $99 price point, who cares?

Have to remove front panel (which is plastic with tabs) to clean fan filter.

Other Thoughts: Seriously, this is the BEST case I have ever used, or seen. I will be purchasing at least 2 more.

This can be an open air test bench by removing the panels, it can be a high-airflow desktop, or as a makeshift combat weapon/stool. Carrying handles are built into the support frame - grade A construction. Thumb screws. Tie down cutouts literally everywhere - including to those two 80mm fans. Removable dust filters.

You would love this case.

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  • Darral B.
  • 1/11/2015 7:11:54 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsResistance is Futile

Pros: This case provides plenty of room for working inside the case with its removable top, sides and front. The 5.5 inch drive bays are tooless which was great for installing my BD drive but not so great while installing my fan controller. I ended up having to screw two screws into the controller and then force it in until one side clicked into place and the other just stayed there. While it is a very stable mount, it would have been better with some sort of adapter or if the tooless latches would have been on both sides. The extension on the back of the case, installing a PSU was a breeze. There is enough room to mount a total of 8 fans on the case plus the fan for the PSU so cooling and airflow is not a problem with this case. I have no use for the hotswap bays at this time but I can see where they would come in handy and will possibly use them in the future for transferring files to back up drives. The case is pretty heavy for a case, but that's because this case is a tank. It is made of thick steel panels and a nice angled frame that reinforces the case. Reinforced handles on the side provide for sturdy lifting points for moving the case if needed.

Cons: The space under the motherboard becomes very tight while trying to mount the PSU and run power cables to various part of the PC. If you forget to run a cable to certain areas of the motherboard, there is a chance you will have to take the motherboard tray lose for proper cable placement.

Other Thoughts: Overall I give the case a 4.5 out of 5 due to the tight space under the motherboard. The motherboard try is easily removed to mount the motherboard and install the memory and heat-sink. Depending on which graphics card you are running it could mount the card, however the r9 280 was not able to be mounted until after the tray was replaced.

The case does take up more space than a normal atx case but this is information that is available by looking at the dimensions in the specifications.

I would recommend this case to a system builder to use as a safe bench tester, someone looking to keep their internals cool, or someone just looking for a case outside of the norm like I was. The tight space under the motherboard is worth all of the space given to the customer on the top side of the motherboard.

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  • Anonymous
  • 1/11/2015 5:50:17 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year

5 out of 5 eggsGreat

Pros: amazing case stays very cool. well built and sturdy

Cons: my board doesn't fit the screw holes for risers completely but it's no issue and area between PSU and hotswap bays is a bit tight

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  • Michael S.
  • 1/10/2015 5:22:01 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsLove the Concept

Pros: Solid

Really neat concept.

Very open, lots of cooling options.

Has the tailor fit cut-out for a Cooler Master Nepton 240M - CPU Water Cooling System.

Motherboard lays flat on it's back.

Expansion cards stand up-right.

Tow 3.5"/2.5" SATA 3.0 docking bays in the front.

Cons: Literally peeled the Serial Number sticker off my brand new PSU while trying to *ever so gently* insert it. (minus one-half egg).

The circuitry on the SATA docking bay is exposed, and does not play well with braided PSU cables (the back of the PSU is only a few inches away from it) - minus one-half egg.

Other Thoughts: I am not a fan of bottom mounted PSU's (sucking air from the carpet, radiating heat UP to the rest of the components - even though it blows most of the heat out the back, and you have to bend all the way to the floor to reach the power switch). However cannot list this as a con because a lot of people like it this way, and I also knew it was designed this way before I bought it.

Overall, I like the case because it makes bench work really nice (as long as you aren't changing out PSU's a lot).

If you are looking for something different, I think this is a great choice.

The SPECS of this build are:

Asus X99-A
HyperX 16GB DDR4 3000 Model HX430C15PB2K4/16 @ 3GHz
i7 5820K @4.375 GHZ (idle @ 30 degrees C, 2 hours Prime 95 small FFT 80 degrees C)
Cooler Master Nepton 240 watercooler
EVGA 04G-P4-3975-KR GeForce GTX 970 4GB
Creative Sound Blaster Z
SAMSUNG 850 Pro 256GB SSD
CORSAIR HX650 PSU
Cooler Master HAF XB EVO Case
Multiple Terabytes of SATA HDD's

Rock solid stable!

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  • Michael C.
  • 1/7/2015 8:58:10 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsExcellent Case, Perfect Value, Minor Nitpicks

Pros: When they say "High Air Flow" it's no joke. This case is plenty breezy! Your components will breath just fine and it's extremely easy to keep cables out of the way of air flow. Plenty of space for large graphics cards. You can fit at least one big radiator at the front and a smaller 120mm radiator in the rear (which is what I have for my CPU).

This thing is also, for the most part, very very easy to work with. Everything is solidly constructed. The panels are made of strong, thick metal that won't bend easily. In fact they are quite heavy but the deep handles on them make it no problem to...handle..them...

The motherboard tray being removable is really nice but with the case being so easy to work with I didn't really need to use that feature much myself. It's handy for being able to clean up your cabling in the lower half of the dual-chamber design but you likely won't need to do much with that since minimal airflow is needed there.

Cons: This case is pretty awesome but keep in mind it'll have a pretty healthy footprint on your desktop. This is akin to taking something like a small desktop tower and laying it sideways. It's also a bit on the heavy side which is to be expected with the heavy duty construction but can be a little cumbersome to move around even with the handles on the sides.

This version also comes with a mesh on the top panel which is great and it includes a 200mm fan mount. However there are these rubber washers used on the mounting holes which are very easy to over-tighten or not tighten enough, making it feel like the big 200mm fan is basically hanging off the mesh and could fall off. This hasn't happened yet and probably won't but it doesn't feel nearly as confident as the rest of the case. Some simple metal washers here would've been nice.

Also keep in mind that the 200mm fan mount is NOT quite the normal square screw hole layout but rather rectangular. This means a decent portion of 200mm fans won't mount there. Cooler Master's fan did though of course but there's no reason the mesh top couldn't have just put the holes in a more typical square pattern. Even Cooler Master's fans have mount points for both anyway!

Lastly the hot-swappable hard drive bays on the front are cool but sometimes they don't quite click fully into place for me. It seems the plastic clip that clicks into place may be a little bit short so it doesn't always catch and secure but this could just be a small defect on my particular drive bay where factory tolerances just happened to slip by.

Other Thoughts: The grates on the side panels let plenty of airflow through but it would be cool to see 2x80mm or maybe 2x120mm fan mounts on those so one could be more creative with airflow if desired. Or perhaps the ability to purchase side panels without grates at all could be nice. I also wasn't a fan of the PSU sticking out the back but there really wasn't much of a better solution considering how tight space can get in the lower chamber. My PSU may just be a little on the longer side as well.

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  • anthony b.
  • 1/6/2015 3:47:02 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsSmall but mighty

Pros: A great little case that is overall well designed it very easily holds 4 x 3.5' drives and 2 burners (yes i still run dual burners) great airflow. Mounts for plenty of fans even the two tiny ones near the hard drives internal mount help. The PSU extender panel is a great help. I had a fairly large EVGA supply to mount and if it wasnt for the extender i would have needed a good dremel

Cons: More of nitpicks. The two hotswap bays are connected by a pcb in behind them. This is not the issue though its the fact that the SATA power connector is no on the pcb it is connected by a small length of wire so it is easy to break off if not careful. Also just more so again a nitpick is the front air filter is NOT easily removed you must pull off the entire front panel, then disconnect the wire mesh THEN you can get at the filter.

Other Thoughts: If coolermaster makes another one like this I would like to add 2 little suggestions. The top panel be clear (which you can get aftermarket but hard to find) and as a second one that if they are going to make the side panels 1/2 mesh like as they are why not do the entire panel ? this is a HAF case it would be nice to be able to mount a good sized fan there to force air along to the video cards

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Item#: 9SIA24G28M4528
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