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Item#: N82E16811119290

Cooler Master HAF Stacker 935 Two-Piece Mod-Tower Computer Case with Top Compartment for Extra Storage Space, Water Cooling Support, or Mini-ITX System

  • Steel / Plastic
  • USB 3.0 x 2, USB x 2, Audio Front Ports
  • 3 + 1 (915R) External 5.25" Drive Bays
  • 9 (3 x modular cage) Internal 3.5" Drive Bays
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Cooler Master HAF 935 Stacker ATX Modular & Expandable Chassis

Introducing the HAF Stacker "Mod-tower" Case Series. The HAF Stacker Mod-tower is tuned to tackle the unique needs of enthusiast builders, hardcore gamers, and a wide spectrum of builders. Unique to the HAF Stacker 915F and 915R stacking system, massive home data storage, server, and farming become as easy as adding another unit on a whim. HAF Stacker Mod-towers open up a new world of possibilities. In HAF Stacker Mod-towers you can build whatever you can dream up. The only limitation is your imagination.

Stack Up. Stack On.

Patent-Pending Modular Rail System

Will you fight to find cures for diseases, earn virtual currency, digitally connect your home, or host your growing business? The choice is yours.

Go ahead. Stack up. Stack On. A whole new computer ecosystem awaits you.

Endless Possibilities

HAF Stacker supports the latest hardware including longer graphics cards, water cooling, multiple systems, and even multiple power supplies.

Build or stack to create a traditional ATX + mini-ITX system, NAS box, server, radiator box, or many other possibilities.

Future-proof your system with the modular I/O panel to keep up with the best technologies without replacing your case.

What's Included

HAF 935 (915R + Main Unit) Cases

User Manual

Accessory Box

HAF Series Comparison

Main Unit

HAF 915R Stacker

FEATURES

Size

ATX

Mini-ITX

Dimensions

9.25 x 28.3 x 22.75 inches (235 x 719 x 578mm)

Expansion Slots

8 + 1

2

5.25" Bays (Optical Drives)

3

1

3.5" Bays (Hard Drives)

6

3

2.5" Bays (Hard Drives or SSDs)

6 + 1 MB Tray

3

5.25" Bays (Optical Drives)

3

1

Side Panel Window

Yes

No

PSU Mounting Location

Bottom

Rear

Maximum Fans Supported

5 x 140mm, 11 x 120mm, 1 x 92mm

COMPATIBILITY

All-in-One (AIO) / DIY Watercooling Radiator Support
*May very based on configuration and accessories.

120mm, 140mm

120mm, 140mm, 2 x 240mm,
2 x 280mm, 2 x 360mm

Motherboard Support

EATX, ATX, mATX

Mini-ITX

Maximum Graphics Card Length

13.93 inches (354mm)

14.17 inches (360mm)


Learn more about the Cooler Master HAF-935-KWN1

Model

Brand
COOLER MASTER
Series
HAF Stacker 935 Window
Model
HAF-935-KWN1

Spec

Color
Black
Case Material
Steel / Plastic
With Power Supply
No
Power Supply Mounted
Bottom
Motherboard Compatibility
EATX, ATX, microATX, Mini-ITX (915R)
With Side Panel Window
Yes

Expansion

External 5.25" Drive Bays
3 + 1 (915R)
Internal 3.5" Drive Bays
9 (3 x modular cage)
Expansion Slots
8 + 1 and 2 (915R)

Front Ports

Front Ports
USB 3.0 x 2, USB x 2, Audio

Cooling System

140mm Fans
1

Physical Spec

Dimensions
235 x 719 x 578 mm / 9.25 x 28.8 x 22.75 inch
Weight
15.6 kg / 34.5 lbs

Features

Features
SSD Bays: 9 (converted), 1 (MB tray) + 3 (915R)

Materials: Bezel: Mesh/Polymer; Case body: Steel SGCC-t0.7

Cooling Support (varies by stacking setup):
Top: 120mm x 2 Front: 120mm x 2 / 92mm x 1 (included)
Rear: 140mm (included) / 120mm x 1
Side: 120mm x 6, 140mm x 4 (915R)
Radiators: 360mm x 2 / 280mm x 2 (Side) 140mm / 120mm x 1 (Rear)

Maximum Compatibility:
VGA card length: 354mm / 13.9 inch, 360mm / 14.17 inch
CPU cooler height: 180mm / 7 inch, 80mm / 3.15 inch

World's first "mod-tower" with stacking functionality for limitless utility

Stack extra 915F or 915R for dual/triple system or additional water cooling and storage

Dust filtered intakes and sliding filter frames

Intuitive design for flexible and easy installations

Greater storage expandability with transferrable drive cages between chassis

Full window version (tinted)

Modular I/O functionality for future-proof connectivity

Multiple removable dust filters (top, front, bottom, side panel) for improved system maintenance.

Quick Info

Warranty

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


Customer Reviews of the Cooler Master HAF-935-KWN1

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  • Eric P.
  • 8/3/2014 2:51:54 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsLove At First Sight!

Pros: It's not just functional its a work of art...

It's Massive...
It's Modular... allowing you to make it more massive.

Cons: It Doesn't Allow You To Travel Through Time & or Space!

Other Thoughts: I'm using this as a File Server/Downloader.

I currently have 12 HDDs installed.
10 are used in a Flex Raid, 8 DRU 2 PPU.
9 are in the small modular bay.

The 2 drive trays in the lower section are empty the remaining 3 drives are in a drive cage above those so I still have room for 6 more drives.

The 10 Raid Drives are all 3TB.

I'm considering buying another for a water cooled gaming system.

Did you find this review helpful? Yes No

  • Cody F.
  • 7/20/2014 6:56:41 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsVery big, very nice case

Pros: - The case is very big with many cable routing possibilities (and many CM - that is, cable management.. just occurred to me that we're talking CM which is also Cooler Master - holes).
- As suggested, and as can be seen with pictures, it is very modular.
- For someone like me who is generally:
a) too lazy to improve ability of cable management (I don't have too many components and I don't need multiple video cards or even one large video card).
b) horrible at the cable management (see a).
I can still have the cables in a much nicer arrangement than other cases.
- It is sturdy, well built (inside and out with one minor thing, see cons) and it is hard to move itself (which of course makes it harder to knock over although in Southern California I know very well an earthquake could do that but it could also do that with the rest of the house... and the computers would be the least of my worries). The hard to move can be a problem in some ways (obviously it is only a problem in the rare times I need to move it) but overall I prefer it the way it is.
- The thumb screws that secure the sides of the case, can stay in the holes (of the sides themselves) while you have it left aside (...) while installing cards, moving cables, ...).

Cons: Most of these are minor I admit and I certainly would buy this case again (whether I might try another case or not - absolutely - but I like this case and this is the first case I can truthfully state that... and I've had a lot of cases over the years):
- The thumb screws for the case sides can be stubborn. Specifically, I have (more often than not) have tightened one (or all) and for each one I have to loosen it, straighten it and then tighten it again. This is more than I remember with other cases (even those with thumb screws).
- The sides can appear to be bent and/or seem to not properly close the case (this could partly be one of the personal preferences I refer to in other thoughts: how the side window protrudes out a bit and is not just a flat side... I actually like the look but it at least has thrown me off (but so has the other side)). This could possibly seem more so when you consider the first con (the appearance as well as the fact the thumb screws are not going in straight, can throw you off if you aren't aware or you're like me and doing this stuff at 3am or thereabouts).
- As at least one other person noted: the standoffs are very stubborn. I actually thought I had them in the case properly tightened and had to at some point (because they weren't tightened after all) unscrew the motherboard (only to find out they weren't tightened when the screw stayed attached to the standoff but the standoff actually came out of the case (so I had someone carefully balance the motherboard so that I could unscrew the screw from the standoff)). Then I did exactly as one of the other reviewers suggested (actually I had done this with some of them already but this one seemed to be OK hence not using it with this one): use plyers (British spelling: I mean pliers).
- It is very big. Yes this is a pro and a con. It takes a lot of space. But it offers great expandability so that is also good.
- The side (with the window) doesn't come with a fan. However, at CM's website you can buy this and it is fairly cheap ($20 or thereabouts). Comes with the fan unlike one of the reviewers suggest (at the CM website I mean). Or that's what I was told by a CM staff member who checked.
- The only flaw (or, if you're into computer security and also like puns, which very much fits me: hole) that bothers me - and not terribly so but enough to point out - is that they have no covers for the cable routing holes at the bottom (this is not a problem for the top of the cases because they supply a cover for the top; I've not looked into the possibility that that same cover could maybe - again, pardon the pun, close this hole). And at some point you will stop stacking and there you have the holes so you have potential for more dust to enter. Probably not a huge issue in that it is not simply a hole but rather a hole with rubber grommets.... but it is still something that might want to be considered (and I raised the issue with them, for what it is worth

Other Thoughts: There is a review here that suggests that the Sickleflow fans will not work for hard drives. I noticed this but I decided to take up the issue with CM and here is what they told me as a general rule (and so indeed it worked):
When you buy a case the manufacturer (including but not limited to CM) expects that you have different uses and so they supply the screws that fit the holes for the case in question. This means that you should use the proper screws (which are conveniently not marked...) - which is to say, case supplied screws - for the case including (in the example) the Sickleflow fans. So yes they do work (as a related point: the screws will work at the top of the case where the fan slots are available... although they are a bit tight). I also wrote about (on review of that fan) how you need to thread the holes on that fan first and that would help here too.

Another general rule: if you have kittens like I do, and in particular, a kitten that loves to steal things from you, be certain to either keep the room closed (with the kittens OUT of the room!) or to keep track of the items that come with the case (and everything else in your build or realistically everything in general!). Yes, I failed here and while I caught some of it I'm uncertain if I caught all of it (the accessories of the case and the motherboard - ASUS sabertooth z97mark 1 has many, many accessories... well, I don't know what I should or should not have).

There is one thing that also is lacking on this case that occurred to me now: lack of a manual of any kind. There is a sheet of paper showing how you can stack the modules together but that was about it.

Aside those: I really like the tinted window. I also like how it somewhat protrudes out rather than being flat (as I noted, however, this can give the look and feel that the case sides are not properly placed. However, I have had this same problem on the other side of the case so it probably is less the protruding window and more perception - or lack thereof - on my part.. but it does seem that the sides - or the case in general - has some stubborn properties). I don't consider these pros or cons (you either like the tinted window and how it protrudes out/is not flat, or you don't. That's a look and if you don't like the look of a case and it matters to you, then rating it badly for that is ludicrous. Constructive criticism is great but criticism itself is unhelpful to others. Alternatively, you could try rating your decision or preferences as you bought the case and there ARE pictures!).

Another look I find appealing: the case really has an industrial grade look to it. If you're into computer history (or indeed were part of) and you have a longing (or nostalgia of some kind) for it, then you might see this. I somehow think it is the (is it honeycomb?) mesh grids but for whatever reason, it just reminds me of the much older days. The eye of the beholder, I suppose.

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

  • Kevin S.
  • 7/2/2014 10:00:04 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsA case for Serious PC Enthusiast

Pros: This case is the ultimate case for anyone that has a lot of components they need to fit for one PC. I needed two power supplies and room for a closed loop cooler, and this case has plenty of room to fit everything.

The cutouts from the top piece to the main piece are very big allowing for good cable management.

Cons: I had a problem with the top piece locking in place after it was assembled. When I went to move the case into it's final position after building the PC it came loose.

Other Thoughts: This case is huge. I knew that, and it is no problem for me because I am not storing it under a desk. But you should make sure there are no hight limitations when you want to keep this beast.

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

  • blake a.
  • 6/18/2014 10:44:27 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsfantasitc case

Pros: ---amazingly well built
---tons of space
---love the stacking options for future cooling solutions and hdd arrays.
---tempered plexi window looks fantastic.

Cons: ---didnt include molex extenders to go from top stack down to bot mounted psu.
--- in top piece you have to use a slim mounted fan on the side closest to the front or the hdd tray clips will be in the fan shroud. (i simply removed the hdd clips.)
---needs fan cutouts on bot same as on top for increased airflow.
--- cant install top fan closest to front if you want to use your top 5.25 drive bay.
--- cant install rear top fan if you are using a dual 120/140mm closed loop cpu cooler in the top due to inability to run tubes elsewere.

Other Thoughts: mobo: asus sabertooth 990fx military spec
GPU: r9 290x (reference cooler)
CPU: amd FX 8320 (4.8ghz)
ssd: ocz vertex 3 120g
hdd: wd black 500g
psu: ocz fatality 750
ram: gskill 8g 1600mhz
corsair h100 closed loop cpu cooler.
(9) corsair 120mm performance fans
(2) 120mm delta highflow fans
(1) 92mm coolermaster fan
dual 80mm ram cooler.


-----with this i am able to maintain a cpu at 30 c under load and a my gpu with the reference cooler is able to run bf4 max settings for hours on end and not break 80 c <--(which is fantastic if you know about the r9 reference cards.


HIGHLY recommend this case IS fantastic

Did you find this review helpful? Yes No

  • Colin K.
  • 6/4/2014 10:16:19 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsPerfect

Pros: This case is a mid + a mini with lots of customization options. All of my wires can be safe and securly hidden on the right hand side of the panle and distributed evenly. Its easy to take a part and even easyer to put back together. Currently there are 2 360mm rads hanging off the sides so it does look like a beast right now. Extreamly watercooling friendly!

Cons: Powder coating in the screw threads made it hard to get the stand offs in the main case. Get some good pliers and some gloves there are 9 after all.

Other Thoughts: I wish there had been more tie down spotsbut if you pay attention you can still keep wires in check. Also if you reverse the hdd's it makes it far easyer to run the sata and power cables in a clean maner.

Did you find this review helpful? Yes No

  • Kevlar F.
  • 5/26/2014 1:14:52 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsSturdy, well built, modular case.

Pros: -Lots of space to expand and add your own personal touch.
-Support for 2 360 triple 120 RADs in the 915. Support for a 240mm double 120 RAD in the front of the case and an additional single 140mm RAD in the back.
-Good for water cooled systems especially with the 915 expansion.
-Very affordable and very sturdy.
-Removable 3.25" drive bays.
-Tool-less design on the drive trays make for easy installation.
-Modular design allows you to change your system build with very little effort.

Cons: -Only two fans are included. One 92mm in the front of the 915 and a 140mm exhaust at the back of the 935 (Planned to install some aftermarket fans so not a big deal for me).
-The manual leaves a lot to be desired but still functions.
-Dust Filters on the side of the 915 are secured with screws making them a little more difficult to clean than is necessary.
-Front panel does not have a reset button.
-The thumb screws securing the side panels were incredibly tight when I received the case.

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

  • Justin B.
  • 5/20/2014 7:49:32 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsAMAZING

Pros: Completely expandable, multiple configurations

Cons: only 1 200mm fan comes with

Other Thoughts: Great case, CoolerMaster does offer additional storage expansion and standalone stackers for this setup.

Did you find this review helpful? Yes No

  • Ryan B.
  • 5/17/2014 5:06:23 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsI like the cases!

Pros: This case is pretty sweet lookin! I've not bought a full tower before and was a little surprised at the actual size but I really should have know better. All in all this is a pretty good case.

Cons: The only con I will add is that the case comes with a bag of screws for mounting whatever you need but I feel like there isn't really enough here, and some of the holes on the top and bottom of the case (ment to be stacked) would seem like they should have an optional covering.

Another thing I don't really like about the case is if you notice the smaller case that would attach to the big one doesn't have any front ports for plugging stuff into it. I plan on using this smaller case as its own separate computer but it's annoying that I won't have front ports for it.

Did you find this review helpful? Yes No

  • Anonymous
  • 5/12/2014 1:52:17 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsMy dream case

Pros: Tons of space
9 HDD/SSD bays
4 ODD bays
Supports up to 3 360mm radiators, 1 240mm radiator, and 1 120mm radiators.
Sturdy and extremely heavy
It's beautiful from front to back

Cons: No support for side case fan, not enough to deduct an egg.
You have to remove the ODD and HDD bays to mount radiators on the 915.

Did you find this review helpful? Yes No

  • Daniel H.
  • 5/6/2014 2:36:05 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsGreat case but....

Pros: Great case and functionality

Cons: If you need to order a Replacement OEM I/O module with USB ports 2.0 and 3.0 or an extra module, they do not offer one on http://www.cmstore-usa.com (Cooler Master OEM parts website) that has both 3.0 and 2.0 . Even though the website shouse the connector for 2.0 it dose not come with it if you order a replacement or extra I/O module. This is a huge disappointment for me for the fact the smaller case I do not have or need 3.0 on that computer.( http://www.cmstore-usa.com/haf-stacker-915-i-o-module/?src=prn#ProductTabs )

Other Thoughts: Why would you sell an I/O module that is not identical to the replacement for the case?

Manufacturer Response:

Hi Mr66609,

We sincerely apologize for the confusion and trouble. We would like to help out and recitfy the situation for you. Would you be able to contact us via the contact methods below so we can make this right?

Respectfully,

Marvin R.
CMUSA Support.

Phone:
1-888-624-5099

Live Chat:
http://us.coolermaster.com/livehelp/chat.php

Ticket:
http://support.coolermaster.com

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

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