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APEX DM-318 Black Steel Micro ATX Media Center / Slim HTPC Computer Case w/ ATX12V TFX 275W Power Supply

  • Steel
  • Power Supply 1 x 80mm side fan
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Apex’s DM-318 case is a great choice for instances where you don’t have a lot of space for a system. It would work well in kiosks or as a video wall controller. You could also use it to control information signs in a hotel or airport. Its small size would also make it a good choice for a HTPC.

The drive bay housing tilts up for easy installation. There are two external bays, one 5.25” and one 3.5”. There is also a 3.5” hard drive bay. The front panel also has a FireWire, two audio jacks and two USB ports. Once everything is installed put the lid back on and you’re good to go.

  • newegg Stands Horizontally or Vertically The Apex DM-318 can be laid horizontally on your desk or vertically on the floor with the included stands to fit your working space.
  • newegg Built-in 275W PSU The Apex DM-318 is equipped with 275W power supply unit to handle typical power consumption for most MicroATX systems.
  • newegg Convenient Front I/O Panel The Apex DM-318 features a convenient front I/O panel for easy access to one IEEE 1394 port, two USB 2.0 and two audio ports.

Learn more about the APEX (SUPERCASE/ALLIED) DM-318




Micro ATX Media Center / HTPC Case
Case Material
Power Supply
ATX12V Flex 275W
Motherboard Compatibility
Micro ATX / Flex ATX
Side Window


External 5.25" Drive Bays
External 3.5" Drive Bays
Internal 3.5" Drive Bays
Expansion Slots
4 Low-Profile Expansion

Front Ports

Front USB Ports
USB 2.0 x 2
Front FireWire Ports
Front Audio Ports

Cooling System

80mm Fans
1 x 80mm side fan
Side Air duct


Removable Filter
Sturdy construction w/ 0.8mm steel

Removable drive cage

Thermally optimized

Excellent EMI shielding

Can be used as a tower or desktop



Quick Info


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

Customer Reviews of the APEX (SUPERCASE/ALLIED) DM-318

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  • Jean-Paul L.
  • 8/22/2014 7:17:48 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsSolid box, construction

Pros: Usually building and seting up a pc can take almost a day. Tjis little box makes it a snap. Everything is well though and layed out.

Easy access and easy installation and removal of components make this a seldom seen jewel.

Cons: None so far 1 Year+ running

Did you find this review helpful? Yes No

  • John S.
  • 7/31/2013 5:10:37 AM
  • Tech Level: Average
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsunderpowered

Pros: Looks nice, small form factor

Cons: at 275 watt sit will barely power the CPU

Other Thoughts: Bought this as part of a Newegg combo. It's alittle tight, but everything went together fine. Fired it up. Wouldn't post. Called ASUS (mobo incl in combo) and the tech patiently asked for a list of all the components, added them up and then explained why 275W wasn't even close. Lesson learned. Too bad you can't use rotten eggs in rating. ;-)

1 out of 16 people found this review helpful. Did you? Yes No

  • David B.
  • 4/8/2013 9:50:08 AM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsNice Case, Bad Power Supply

Pros: The case itself isn't bad. Small, nice looking, clean, quiet. The pop-out drive bay made for easy install and repair.

Cons: However, there were a few little issues and one deal-breaker. The power and HD activity lights look pretty cheesy. I ended up not plugging them in. The ventilation is poor. There is only one fan on the side, the rest is just holes in the case. I had a very low power, low heat build, and I still had problems. Ended up putting an external fan behind the case blowing air over it to get enough cooling. Not too bad, but not great. The deal-breaker was the power supply. The thing is tiny, which is cool, but it is not well made. Mine started giving me ghost problems that I chased for months, thinking I had a bad HD, then even sending my MB back for repair. Finally bought a new PS and everything works perfectly. The real problem there is that you can't get another PS that will fit this case. Its a custom job, so if you need to replace the PS, you have to replace the case. Bad deal. I tried contacting the company for a replacement, to no avail. BE WARNED! If you buy this case and have the same problem that I, and many of the other reviewers had with the PS going bad, you will be buying not just a new PS, but a new case as well. NOT WORTH IT.

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

  • Daniel H.
  • 3/7/2013 11:56:03 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsworks great

Pros: works great. running a corei3-2100 in a htpc (no dedicated graphics card) for a year now and hasn't blown up or caught on fire. Hasn't failed me yet (knock on wood)

Cons: case fan is a little noisy. So i unplugged it. There are probably ways around this problem but I dont care.

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

  • Mark P.
  • 3/1/2013 8:00:35 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggs

Pros: I want to give this 5 eggs, because the tilting CD/HDD mount is pretty clever. But the build quality is not especially high, and it doesn't really look good in person. It's adequate for an HTPC build, but nothing special.

Cons: I had a lot of trouble setting up the CD drive eject mechanism. It was hard to get proper contact between the case's front pushbutton and the drive's actualy eject button.

Other Thoughts: It's longer than most HTPC cases.

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  • James G.
  • 2/19/2013 8:24:04 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat Case

Pros: We build custom computers all week long. Not only do my customers love this unit, so do I. Great cooling for a slim-line case, easy build access and after 5 builds, not one band-aid needed. Easy access front panels with FireWire. A sturdy, good looking case that stands on end or lays down flat. Everything you need for a Media Center PC build. Not recommended for a high-end build or gaming rig as the power unit is not strong enough for that. Makes a great basic build though. See "Other Thoughts" for build specs we are using.

Cons: The boxes arrive stressed but I blame UPS, not the manufacturer - and definitely not NewEgg. Even though the boxes are rough I have not had one broken case yet.

Other Thoughts: This build works great for us; our customers love it:
MSI A55M-P33
AMD A4-3400
Seagate Barracuda 500GB
LG 24X DVD Burner
Windows 8
- Add a Radeon HD Low Profile with HDMI and you're set!

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  • Joshua A.
  • 2/13/2013 4:04:10 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week

4 out of 5 eggsWow

Pros: Very sturdy
Don't know anything about the fans... PSU was doa
Very nice pleasing look

Cons: Plastic front can create static
Metal "flap" on pci slots scrapes off paint... But who cares

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

  • Anonymous
  • 1/8/2013 10:44:20 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsFantastic little case

Pros: Bought this case to build up a small side of the desk computer to replace my wife's mid tower.

Plenty of room inside, has some cable management pathways and seems to be very well constructed.

I really like the ease to which the drive tray tilts in and out for easy removal when installing your hardware.

The front panel hides the cd/dvd drive with a spring loaded door. Installing my burner lines up perfectly with the built in tray button.

Overall, very satisfied with this case.
Since I am not going to be using a standard hard disk, but rather an SSD drive, plus I'm not building up a power hungry workstation, the supplied PS should be perfectly capable of the task at hand.

Cons: None that I can see

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  • Joseph H.
  • 12/11/2012 8:56:40 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggs

Pros: Great looking little case that fits right into an entertainment center
Sweet lift-out drive tray
Low-power PSU that's great for low-voltage CPUs.

Cons: While I love the drive tray, it has two major flaws:
1) If your mobo places the main power connector at the back of the board, you'll have a difficult time getting a good fit.
2) 3.5" drive only mounts from the bottom. This makes mounting most SSDs a huge pain

Other Thoughts: Makes a great HTPC case once you get it all fit nicely. I really love it.

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

  • Kenneth S.
  • 12/10/2012 11:16:03 PM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsNot Bad!

Pros: Very easy to setup. Drive cage is awesome. A lot easier build then I was expecting.

Cons: Fan is a little loud but no louder then my stock APU fan so no point in replacing it until I decide if I want to buy a new Heatsink/fan.

Other Thoughts: I mounted a 120mm fan I had laying around to the door right above the CPU where the vent is. All is needed is to mark which holes in the vent line up to your fan. Then drill them just a tad bigger to fit self tapping fan screws. I suppose you could use a smaller bolt and nut and mount the fan that way.

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