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Item#: N82E16811119292

Cooler Master HAF Stacker 915F Mini-ITX Computer Case - Supports Large CPU Air Coolers (Front PSU Mount)

  • Steel / Plastic
  • USB 3.0 x 2 (No reset button) / Audio Front Ports
  • 1 External 5.25" Drive Bays
  • 3 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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Cooler Master HAF Stacker 915F

The HAF Stacker 915F is a Mini-ITX computer case that delivers uncompromised performance. With a front power supply mount, the 915F can house numerous water cooling systems as well as the latest full sized graphics cards and power supplies, features that many Mini-ITX cases lack. Couple this with the legendary cooling capabilities of Cooler Master's HAF series and you get a full featured rig in a Mini-ITX chassis.

Superior Cooling Support

Full-Size Features

915F can simultaneously support a 120mm radiator at the rear and 120/140mm on a side panel, allowing you to use both a GPU and CPU water cooler inside the case.

Use standard ATX power supplies and large graphics cards without worry, the 915F can hold them all.

Legendary Performance

Endless Possibilities

Being a member of the iconic HAF series, you can expect maximized airflow for your components with the 915F.

Combine 915F with other HAF Stacker enclosures to expand storage space, increase component compatibility, or even build multiple systems.

Additional Product Features

Dual USB 3.0 Ports

Pass-Through Cable for Front Mounted PSU

Multiple Ventilation Areas for High Airflow

Removable Top Panel and Feet for stacking functionality

Motherboard Support

Warranty Coverage

HAF Stacker 915F is compatible with Mini-ITX motherboards.

Parts and Product Replacement
Free Technical Support

Which 915 is Right for You?

915F 915R
PSU Mount Location Front Rear
Optimized For Cooling Storage
Dimensions 8.97 x 9.76 x 22.75in. (228 x 248 x 578mm)
Expansion Slots 2
5.25" Bays (Optical Drives) 1
3.5" Bays (Hard Drives) 3 (1 from ODD cage) 3
2.5" Bays (Hard Drives or SSDs) 3 (1 from ODD cage) 3
Maximum Fan Support
*Varies based on hardwware configuration
Rear: 120mm x 1
Sides: 120mm x 6 / 140mm x 4
Front: 92mm x 1
Sides: 120mm x 6 / 140mm x 4
Maximum CPU Cooler Height 6.69in. (170mm) 3.14in. (80mm)
Maximum Graphics Card Length 14.17in. (360mm) 14.17in. (360mm)

Learn more about the Cooler Master HAF-915F-KKN1

Quick Info


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

Customer Reviews of the Cooler Master HAF-915F-KKN1

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  • Tim L.
  • 2/21/2015 3:55:09 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsPerfect for what it is

Pros: I've built a number of machines and this case is small, seems to be cool. The only thing strange is the storage of the hard drives. I put in a 1TB HDD and a 256gb SSD. and they are attached with screws and rubber grommets. The picture was only slightly helpful.

I do not plan on stacking this case, as the small form factor was what I was looking for.

Cons: Would like a cover for the bottom for some cable management if not stacking.

Other Thoughts: Installation was easy, both sides and the top come off.

Did you find this review helpful? Yes No

  • Anonymous
  • 2/20/2015 12:08:10 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsPerfect for me

Pros: Great quality. Looks great.

Cons: None

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

  • Skyler M.
  • 2/9/2015 11:37:21 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsThe Good, the Bad, and the Ugly.


+1: Solid case. Cooler Master's uses metal and mesh to create a durable case that feels industrial and solid (will not get damaged during shipping, guaranteed).

+1: Built to stack. It can be used in conjunction with the 935 and or 915R/F quite nicely; the top is removable and the bottom has cut access areas to reed cables and tubes through to other stacked cases. Plus the 915F/R cases are relatively cheap (especially with rebates and sales).

+1: Convenient size. Its small form factor means it can be used for multiple purposes (gaming PC, home entertainment station, server, router) and way more portable than other towers.

Total: +3 Eggs


-1: Poor case design. The drive mount pillar obstructs two 120mm fan mounts and basically obstructs the third (unless you bend the door catches and mount all the way to one side of the screw slots for fan mounting) which also means that you cannot mount a 140mm fan either. The other door can only logistically have either a 120mm or a 140mm fan (assuming you have a video card), perhaps two 120mm or 140mm fans if you only had a PCI wifi card. I would love to put an intake fan near the motherboard but the case door won't allow for that due to not having door mounts extending that far and un obstructed by the dive mounting pillar. This drove me nuts and is probably worth more than just one egg deduction.

-1: Expansion bays. Yes it has two and thus can support a full video card but the slots showing the inputs are manufactured slightly too small and may block video card ports. My MSI N650's mini-HDMI was blocked by a few millimeters, nothing an angle grinder and a steady hand couldn't fix; that's why I deducted it an egg.

-(Slap On the Wrist): Poor marketing. It claims this case to be for cooling but the design counters that marketing point. Infact, the 915R* probably has a better chance of having more fans mounted given the design (drive mount beam). Ergo better cooling and more dedicated drive storage.

Total: -2 Eggs

Other Thoughts: AND THE UGLY
Note: Starting Value: 3 Eggs

+0: One 120mm stock fan. Depending on what you are doing this could be a problem coupled with the poor case design if you want more fans. For that go for the 915R* for better fan luck.

+0: Micro-ITX = 1 PCIE port (choose one: video card, PCI wi-fi, or another PCI adapter). Although an inconvenience, there are other ways to get wifi (ethernet port, USB wifi, or a wifi enabled motherboard).

+0: Bad drive placements/mounts. Not saying that the rubber mounts are bad (actually they are great), rather the clearance of the drive from the case may be an issue depending on your power supply and its power SATA; if you have power SATAs in series, then it won't be able to connect to the mounted drives. The 915R* has a drive rack with enough clearance. For me it was a problem I overcome with a custom modification to give my drives enough clearance from the case. Not enough to warrant an egg deduction.

+0: Cable management fun. It might be an issue given the case's form factor and your power supply. Word to the wise, zip ties. You can figure it out but it will take some time. Where is the fun in easy, right?

+0: CPU clearance. Tons of vertical space; you can fit a Hyper 212 EVO but the horizontal space due to form factor is to be wary of because you can easily block either RAM slots or the PCIE slot.

+0: USB 3.0 support recommended. Without USB 3.0 support on the motherboard, the front two USBs will be useless. This will require a more expensive motherboard especially given the form factor.

*Side Note: If you decide to go for the 915R instead, just know that a water cooler is my suggestion due to the clearance above the motherboard on the account of the top rear mounted power supply. But even then you're bound to run into other issues like where to mount the grill and fan of the water cooler and fan placements given the video card length. So pick your poison.

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

  • Manny R.
  • 9/12/2014 12:00:22 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsSmall update to my previous review

Pros: See my previous review.

Cons: See my previous review. Besides the lack of USB 2.0 ports on the front bezel, I just realized that there is also no HDD status LED on the indicator panel and there's no speaker included with the hardware.

Other Thoughts: All my previous statements remain the same except that I forgot to mention that there is no HDD status LED and no speaker included with the case too. While it's easy enough to add these yourself, it really should have been added to/included with the case from the factory.

1 out of 7 people found this review helpful. Did you? Yes No

  • Manny R.
  • 9/10/2014 1:04:52 AM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

4 out of 5 eggsGood case, just know what you're buying beforehand though...

Pros: You could park a Nimitz class aircraft carrier inside this thing and still have room for a full compliment of aircraft. OK I'm being melodramatic, but truthfully speaking, the only thing mini-itx about this case is the mounting area for a mini-itx motherboard. If you take a standard sized case and cut it into thirds you'd get about the dimensions of this case. If you're looking for the ultimate in roomy cases that can fit a mini-itx motherboard into it, look no further! :) If you keep in mind that you will most likely have to make some minor modifications to the case too, you'll be very happy with it. If you want something smaller you'll need to look at CM's Elite 120/130 case line.

Cons: Being a dual-function case (mini-itx case and/or a water cooling pedestal), some things aren't optimally laid out. For example, on the locations provided to install HDD's (the floor of the case and on a vertical bracket), there's only mounting points for ONE drive at a time even though you can easily mount two 2.5" drives on the vertical bracket. Also, only ONE bracket is provided even though there's a mounting point on both sides of the case. On the bottom of the case there's only mounting holes for either a 2.5" or 3.5" HDD. It would have been really nice if there was three mounting locations side by side from the factory on the bottom of the case for 2.5" HDD's. If you don't mind putting a few drill holes on the bottom you can add some yourself, but it really should have come with an extra vertical bracket (that allows for two drives) and for three 2.5" drive mounting holes on the bottom of the case.

Because of the layout of the fan mounting points, you may not be able to mount fans in certain locations without it hitting brackets or the video card (unless you get creative). Also, although there's open mesh construction at the top of the case, there really isn't any way to mount fans (or a radiator) at the top of the case. Again, if you don't mind getting creative this case is a great starting point. Just be aware that straight out of the box you may not be able to do exactly what you want without tinkering.

There really is no excuse for only having two front USB ports on the case too. On my previous Cooler Master case (the CM Elite 120), it has one USB 3.0 and two USB 2.0 ports. I like that there's now two USB 3.0 ports on the 915F, but physically there is room to add two USB 2.0 there if CM had chosen to put them in. Again, you theoretically could add them yourself if you wanted to, but be prepared to tinker.

Other Thoughts: I bought this to replace a CM Elite 120 case that I had modified since I am planning on upgrading my video card to a higher powered unit (read as, a much longer card) and I plan on putting a AIO water cooler on the video card too, and there was no way I was sticking all that into my CM Elite 120 that already had a AIO water cooler on the CPU. Physically it is bigger than the CM Elite 120, but it's not massively bigger overall. Compared to the Cooler Master Elite 120 it's 1 3/4 inches taller and about 6 1/2 inches longer, but the width is almost the same. For an ITX case it is huge though, so if you're buying this to use as a mobile gaming rig, keep in mind that it will just barely fit into a duffle bag. I'm using a Nike gym bag and it just barely squeezes in there. I have to take everything out and unzip the side pocket to give me enough room to do it, but it does fit. Once it's in there I can put my stuff back in though.

Some review sites complain about the cable management inside the case but I didn't find it to be a problem. Overall I'm happy with this case and have no regrets buying it to replace my previous CM case. The reason I knocked off an egg is because of the poorly thought out drive mounting points (read as; it can hold a lot more at the current spots if the mounting holes were there), and for only having two USB 3.0 only ports on the front when it could easily have had at least one USB 2.0 port added, two if they tried.

1 out of 3 people found this review helpful. Did you? Yes No

  • William C.
  • 6/4/2014 8:31:02 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner


Pros: It's DEEP. It's menacing looking, sort of Darth Vaderish. There are lots of holes in it, and some unexplanable rubber flappy thingies on the bottom.
There is enough room inside for my 1993 Nissan 300zx twin-turbine intercooler. Honest.

Cons: Lots of wasted space inside.
The footprint is unusual.
Only one included case fan.
Limited uses for a generic system build.

Other Thoughts: I bought it. Duh. Note to the specs more carefully.

Being a design engineer, and having built maybe 100 systems over the years, thought I had seen it all. This case design is a new one on me.


Please look at the dimensions carefully BEFORE purchasing. Don't do what I did, and just look at the pics and trust the brand name. This is a really odd shaped, odd sized case, with quirky thermodynamics.

It appears to be for water cooled systems that require lots of square area to mount heat exchangers and large case fans.

If you are building in a crazy hot climate, or if your equipment runs red hot, and especially large, this case may work for you. There is lots of room, and the case is basically 100% perforated.

If you are a mere mortal system builder, like me, get something more practical.

I don't do RMA's, so this case is destined to become a gnarly Halloween mask, or a tomato planter.

Manufacturer Response:

Hello Bill,

I am sorry that teh case wasn't what was needed to really fit your needs. You can e-mail me, and or call 1-888-624-5099 ext. 169 if you have any suggestions on how to improve similar cases that may be built in the furture.



0 out of 13 people found this review helpful. Did you? Yes No

  • Southend M.
  • 5/18/2014 6:28:31 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsHAF Stacker 915F

Pros: Great product. Solidly built case with plenty of room and a great look. Easy to take apart and get to all the important components. Great instruction manual for those who need it.

Cons: None that I can note. The case worked exactly as I expected and had more than enough features for what I was using it for.

Other Thoughts: I picked this case because I was using it to build a new point of sale computer to run the back office for a small grocery store. The case has more than enough room for the motheboard, cpu cooler, power supply and fans. I love that you can stack 2 or more cases together. Not only does it save on space but it made it very easy for cable management.

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

  • Ryan B.
  • 5/17/2014 5:18:16 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsLovin this Mini-ITX case

Pros: I got this case as part of a package deal (the full case and another mini-itx case) I like how this case has the front ports like how the full tower versions do. My only problem is now I have 3 cases and I'm still figuring out what I'm going to use them all for.

Cons: Maybe its because I got a package deal (3 cases) but I only got 1 bag of screws and that was packaged in the full tower I bought. I feel like I might be headed down to the hardware store to try and fix this problem down the road.

I guess I somehow expected this case to be smaller and use it as a media computer in my living room. Like store it somewhere by my TV but the size of it doesn't really fit in those square boxie book shelf things that are all the rage in living rooms these days. It's really my own fault tho, I suppose I'll just have to think of another use for this case :)

Did you find this review helpful? Yes No

  • Jorge Z.
  • 4/25/2014 4:17:31 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsVery practical

Pros: The fact that they can stack makes it wonderful for a render farm I am setting up, I could stack 3 of these at least with no issues at all.
They are also very easy to remove all panels for easy access, and they go very well with other HAF products

Cons: I think they are way too deep, and there isn't really a reason why, I could EASILY add another tower rack of 4 of 5 HDD in the center of the case with no problems what so ever, making this case an amazing NAS server, but for that, you have to mod it yourself

Other Thoughts: Well, I would PAY for have a coolermaster little HDD rack to use in this case, pretty much like the one that has the R version of this case, and please finally ditch the optical drive bay

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

  • Barak G.
  • 1/23/2014 11:29:52 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsI Like it!

Pros: Roomy in the middle. Panels on both sides fit and slide nicely. Quick mount drive hardware (rubber shocks with a bolt in the middle which directly attach to a drive) are pretty slick. Lots of room for air movement, rear fan seems quiet to me.

Cons: The distance from the front-mount PSU to the mobo required an extension for the PSU I had (something left over from a random Dell desktop). The specs seemed to indicate that there were 3 drive bays AND 1 optical that could convert to a drive bay. NOT SO! there are 2 drive mounts and 1 optical that can convert. The optical slot is tall enough though to cram 2 3.5" drives in it. So I have 4 3.5" drives (no optical) and the 2 in front are pretty cozy, so they might get hot.

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

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