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Item#: N82E16811129080

Antec ISK 300-150 Black 0.8mm cold rolled steel Mini-ITX Desktop Computer Case 150W Power Supply

  • 0.8mm cold rolled steel Mini-ITX Desktop
  • 2 x USB 3.0 in front Front Ports
  • 150W Power Supply
  • 1 External 5.25" Drive Bays
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Antec ISK 300-150 0.8mm Cold Rolled Steel Mini-ITX Desktop Computer Case

The ISK 300-150 from Antec is exclusively designed for Mini-ITX motherboards. Cooling is handled by a quiet 80mm TriCool fan, while the 150W power supply delivers ample power for your components' needs. Packing three drive bays, two USB 3.0 ports, and two audio ports in a slender steel case, the ISK 300-150 gives you a powerful platform for building a solid mini-ITX system.


Antec Computer Case

Mini-ITX is the next "big" thing. And now, Antec introduces the ISK 300-150, designed exclusively for Mini-ITX motherboards. With three drive bays, a quiet 80mm TriCool™ fan, and a stable 150-Watt power supply, the ISK 300-150 can handle many of the tasks of a traditional PC, but in half the space. From petite desktop options to silent home theater, Antec's ISK 300-150 is an epic case of mini proportions.

Antec Computer Case

Power Supply: 150-Watt power supply

Cooling System: 1 x side 80mm TriCool™ 3-speed exhaust fan

Three Drive Bays:

  • External 1 x 5.25" slim optical bay
  • Internal 2 x 2.5" HDD bays

One half-height expansion slot

Mini-ITX Motherboard: 170mm (W) x 170mm (L)

Antec Computer Case

Convenient Front Ports:

  • 2 x USB 3.0
  • 1 x eSATA
  • Audio (AC'97 and HDA compatible) In and Out

0.8mm Cold rolled steel frame for durability

Case Dimensions (H x W x D):

  • 3.8 x 8.7 x 12.9"
  • (96 x 222 x 328mm)

What's in the Box

Antec Computer Case

Learn more about the Antec ISK 300-150

Quick Info


  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years

Customer Reviews of the Antec ISK 300-150

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  • richard r.
  • 11/29/2014 2:01:23 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week

1 out of 5 eggsdoes not have adapter

Pros: good construction.

Cons: fan adapters are missing(not included). 2 fans connect to the mother board and 2 require $3 adapters. The case also has some poor design issues. It says SSD compatible, but it's mounted at the bottom of the case.

Other Thoughts: This was a good manufacturer but now they cheap out for a $3 part.

0 out of 4 people found this review helpful. Did you? Yes No

  • Anonymous
  • 6/10/2014 5:35:34 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsNice ITX option, until PS died.

Pros: Good compromise for size, options and quality. Fit and finish is top-notch, typical Antec.

Cons: Atypical for Antec: Had PS failure during set-up. Popped my household circuit breaker 3rd time I powered it on and no output. Sent it back and got a new one. Had to sign up for Prime trial to avoid $30 in shipping charges for bad product.

Other Thoughts: Never had a problem this early with an Antec product. Replacement unit powered up fine and has been burning in for about a week. Hopefully this one was at the end of the bell-curve for failure rates. Yes, I would buy another w/o worry.

Did you find this review helpful? Yes No

  • Katrina R.
  • 4/30/2014 4:43:53 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsDecent case

Pros: • Small form factor
• USB 3.0 ports on front
• Comes with power supply
• Fits a standard Intel CPU cooler
• Has one low profile PCI Express slot
• Has 1 PS/2 port on back in case you need it
• Room for two 2.5" hard drives
• Comes with base to stand on edge or flat

Cons: • Only a 150 watt PSU
• Unnecessary eSATA port on front?
• Only a half height DVD drive will fit

Other Thoughts: I built a system with a Core i3 4330 Haswell with 8GB RAM, and using onboard video. So far so good. Nice little machine. Quiet. Space is tight and cable management isn't ideal, but it works. Just be sure to buy a mini-ITX case that has a USB 3.0 header for the front USB ports.

Antec ISK 300-150
Intel Core i3-4330 Haswell
G.SKILL Ripjaws Series 8GB (2 x 4GB)

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

  • Paulino D.
  • 4/16/2014 4:15:40 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week

4 out of 5 eggsNice mini ITX case

Pros: Nice looking case. No bright lights on the front if using as a HTPC. Quiet operation and decent power supply for what it's used for.

Cons: The front power led connector cable is much shorter than the other front connector cables! As it was, my motherboard had the front panel connector towards the back of the case and the wires would not reach. Why in the world not make them all the same length!? Anyhow, had to cut and make them longer.

Other Thoughts: Hope it lasts. Getting a replacement power supply might be a pain.

Did you find this review helpful? Yes No

  • Matthew M.
  • 4/16/2014 8:45:55 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsRouter Case

Pros: Nice for the Router that was built for a friend who needed a strong yet compact box.

Cons: Non-Standard Power Supply. Thinking is required to run the cables to where you want them and for the case to close.

Did you find this review helpful? Yes No

  • Bill W.
  • 1/20/2014 7:23:34 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsStandard Offering

Pros: This case is a standard offering for me and I've been happy with its performance overall.

Cons: The industry is moving faster and this case is a bit outdated. To keep using it, I would prefer to see a slightly more aggressive power supply and a better finish for the interior. The drive tray is a little awkward. It could use better finishing hardware and its a little easy to torque the case such that the exterior shell doesn't always fit flush.

Other Thoughts: Overall, I continue to use this case but could be seduced by Fractal Design if they ever got serious about something to compete with this model. It works great for small servers, like a firewall or compute node where there is no optical or HDD. I've been extremely happy putting boards with mSATA and now M.2 storage. It would be great if the case optimized for these uses.

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

  • Perry S.
  • 1/18/2014 4:25:23 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGood Choice for Power HTPC - Update

Pros: - Now has front USB 3.0
- Sturdy and well built
- Fit and finish are good
- Two 80mm case fans keep it cool and can be silent

Cons: - Front ODD door is a bit flimsy and the latch somewhat cheesey

Other Thoughts: Case is nice looking.

Very pleased with the mobo

Windows 7 64 bit WEI
7.4 CPU
7.5 memory at 2133MHz
6.8 Aero graphics
6.8 3D Graphice


- ASRock FM2A85X-ITX mobo
- A10-7850k
- G.SKILL Ares 8GB DDR3 2133 F3-2133C9D-8GAB
- Noctua NH-L9a 92mm SSO2 CPU Cooler with LNA
- Antec ISK 300-150 (it now has front USB 3.0)
- SAMSUNG Internal Slim 8x DVD SN-208DB/BEBET
- Qty(2) Noctua NF-R8-1800 with LNA fed by fan splitter
- Silverstone Model CPF01 PWM Fan Splitter for case fans

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

  • Jessy E.
  • 1/16/2014 10:51:55 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat case. Lots of thought put into it.

Pros: Everything fits. Powersupply seems solid. Surprisingly roomy. Cables for everything you need.

Cons: I feel like a huge idiot... I thought the top was on a hinge, pulled it back a bit then rotated the cover like I expected only to realize I was bending the S@#$ out of the hooks. Make sure you don't make the same mistake I did... slide it off all the way!

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

  • Edward P.
  • 1/10/2014 7:20:10 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsGood case but ...

Pros: It's nice and compact, works well as a mini server case and it's nice and minimalist. It fits a laptop optical drive which is pretty nice and make it even more compact. Relatively easy drive installation.

Cons: The door hinge for the optical drive was broken out of the box (really Antec?), this wasn't enough for me to warrant sending it back. It's a little too compact, you'll find yourself shoving wires in as you force the lid back on. The lid is quite difficult to put on even on the most basic of set ups. Won't fit 3.5" drive. Not sure how it would be possible to manage. Having said that though, a mini ITX build, one would not expect desktop sized hardware within, so not entirely a con per se.

Other Thoughts: This is more than a decent case to build a server out of or maybe a media server, provided that the door hinge works :)

Did you find this review helpful? Yes No

  • Robert J.
  • 1/8/2014 5:37:06 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

4 out of 5 eggsCase for my HTPC

Pros: Great form factor. Quality sheet metal and paint.

Cons: USB cable much stiffer than need be. No support for a 3.5" HD but it is doable.

Other Thoughts: I've bought this for my HTPC to hold a ASRock B85M mini ITX NB, 8G ram, 35W i3 processor. I am very satisfied with the result.

Unfortunately, I did not notice that this case does not support 3.5" HDs. Odd. I would assume that a large market for these cases would be for HTPCs and disk space is important. There is a big price difference for laptop HDs at the same capacity.

I had my 1.5TB 3.5" HD and wasn't about to replace it so I had to find a way to make it work. It can be done and it doesn't take hacking away at the case. I just made a small bracket that I attached to the top of the PS that held the HD with the front if the drive held in the ROM drive slot.

In making that mod, I took the front of the case of and that released the power LED wires for more slack which was a con in another review.

The biggest issue though is the cable for the 3.0 USB connection. It is very stiff and with a large connector housing. No real reason for that. It puts a lot of strain on the connection at the motherboard. A less rigid cable design or case features to relieve the strain should be there.

Bottom line is that I am satisfied with the result. With a little more design thought, this case would be a straight forward proposition. As it is, it takes a little tinkering to get it just right.

Did you find this review helpful? Yes No

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Item#: N82E16811129080
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