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Item#: N82E16811129021

Antec Nine Hundred Black Steel ATX Mid Tower Computer Case with Upgraded USB 3.0

  • Steel ATX Mid Tower
  • 2 x USB 3.0 / Audio Front Ports
  • 1 x 120mm TriCool rear fan with 3-speed switch control
  • 2 x 120mm TriCool blue LED front fans with 3-speed switch control to cool HDDs

This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews


Antec 900 Ultimate Gaming Cases

Antec Nine Hundred

The Most Versatile Gaming Case Ever!
Ultimate gamer case? You bet! With a partially perforated package that still finds room for four huge yet quiet fans, you have a seriously cool gaming case, and that's no joke. You can expect the Antec 900 to be ready for lift off, especially with the 200mm TriCool exhaust fan and perforated port atop this stylish case. Even mount a 120mm fan on the side panel! Contrary to some expectations, this case is extremely quiet, unless you have all the fans going at their highest settings, at which point you might hear...something.

The 5.25" bays will hold optical drives, burners, or even (gasp!) your aging floppy drive, and up to six 3.5" drives can be installed in cages behind the fans, arranged along the front any way you like. This case provides a plethora of possibilities, with room to explore new configurations of all the pieces. The PSU, in a departure, is at the bottom of the case, for better stability and thermal environment for the CPU.

The side window on the case, in addition to letting you show things off, provides additional ventilation, either by way of the vented screen or by the fourth fan in the box mounted into plastic for a clear and elegant installation. This is a sturdy case built of steel, with enough cooling technology to keep things frosty in the hottest action. Take one home today and build yourself the "coolest" rig around!



Antec Nine Hundred
  • Unique Top mounted 200mm "Big Boy" TriCool exhaust fan cools the hottest systems
  • Perforated front bezel for maximum air intake
  • Two front loaded HDD cages for up to 6 hard disk drives
  • The HDD cages act as air ducts to take air in more efficiently. Optional middle 120mm fan bracket cools the hottest graphics cards or CPU
  • Two 120mm TriCool blue LED front fans cool hard disk drives
  • Window side panel comes with an optional 120mm fan mount for maximum VGA cooling
  • Top tray for your MP3 player, digital camera, etc.
  • Power supply mounts at the bottom of the case (power supply not included)
  • Advanced Cooling System:
    • One top 200mm TriCool fan with 3-speed switch control
    • One rear 120mm TriCool fan with 3-speed switch control
    • Two front 120mm special black TriCool lue LED fans with

    Three-Speed Switch Control Cools HDDs
    • One side (optional) 120mm fan cools graphics cards
    • One middle (optional) 120mm fan cools CPUs or graphics cards
  • Nine Drive Bays
    • Three External 5.25"; Six Internal 3.5" for HDD, or
    • Six External 5.25"; Three Internal 3.5" for HDD, or
    • Nine External 5.25"
  • Maximum Video Card Size: 16" (406mm) (Note: some video cards may require removal of the adjacent hard drive cage)
  • Compatible Motherboards: Mini-ITX, microATX, Standard ATX
  • Seven Expansion Slots
  • Top mounted I/O ports
    • Power and reset buttons
    • Two USB 3.0
    • Audio In and Out
  • Unit Dimensions (HxWxD):
    • 19.4 x 8.1 x 18.4"
    • (49.3 x 20.6 x 46.7cm)

What's in the Box

Antec Nine Hundred


Learn more about the Antec Nine Hundred

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Customer Reviews of the Antec Nine Hundred

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  • Alek G.
  • 9/26/2015 12:54:58 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsAwesome Tower

Pros: Just bought this tower to replace a 6 year old PC and it's awesome. Keeps my PC super cool and all of the fans have fun lights and are adjustable in speed.

Cons: If you don't like noise, the fans may get to you but you can replace those for tens of dollars. Sadly, most motherboards will not have enough fan slots for you to plug in all of the fans that you can support on this tower but it's not like you really need them all for one or can't rig it so that they all could work if you wanted to.

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  • Paul G.
  • 9/12/2015 7:02:21 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsUsed to be good

Pros: Great looking, lots of fans, convenient front buttons, plenty of room for expansion.

Cons: No cable management, no air filters and the bay covers are flimsy.

Other Thoughts: This used to be a great case but there are better choices now. I am starting another build and went with the CMSTORM Scout 2 Advanced and I LOVE IT!!!! Much better case. Until they change the internal design to keep up with newer designs, skip it.

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

  • Evan B.
  • 9/5/2015 9:03:12 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsFantastic Case

Pros: Great Breathability, keeping things cool is so important for reliability. So versatile. Love the 200mm fan on top. Love the easy access. Love the blue lights. Of the 6 computer cases at my desk, this is my favourite by far. Large enough to fit the large CPU fan I wanted.

Cons: None

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

  • Tony P.
  • 9/1/2015 11:08:32 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGreat But Tight

Pros: I bought this box in 2012. It has been solid ever since. Great air flow and has everything you would want in a tower.

Cons: The only con I have is that it is a little tight. The newest graphics cards barley fit. I had to take out the "optional 120mm fan bracket". But, no big deal

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

  • Levi A.
  • 8/28/2015 7:35:37 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGood for what I need

Pros: I really like how many slots it has for fans. I have no issues with overheating. The case also has a lot of expansion bays for me to load up in the future if I need more space.

Cons: Audio and Video port at the top of the case doesn't work, however, it's no big deal. I can fix it.

Other Thoughts: This case is well designed for efficient cooling whether you want to air cool or water cool your components.

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  • Cory M.
  • 8/28/2015 5:48:25 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsJust a case

Pros: Plenty of fans, nice front ports, looks nice, good price

Cons: Cable management

Other Thoughts: It is really just a case. Nothing ground-breaking. It is nice having plenty of fans and space for one more. The only issue I see is minimal cable management. There should be another hole in the back plate near the power supply to route those cables. Also, the needs to be more space between the back plate and the case

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  • Logan H.
  • 8/27/2015 12:30:08 PM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsMy favorite Case

Pros: I’m a huge fan of this Case and have bought 4 of them so far. I get one for every new build i do. The case is extremely sturdy and doesn’t feel flimsy like other cases that I have had.

The amount of room and airflow this case has is optimal.

I would recommend this case to anyone.

Cons: None

Other Thoughts: If you're thinking about this case and are unsure. just get it.

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  • Dennis K.
  • 8/27/2015 10:54:58 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsCombines reviews with 902?

Pros: The standard for combined cooling and noise level. 6 Drive bays when the middle fan is not mounted on the rear of the cage. The fan controls of the 902 only help for a few hours a year for me since 85 F is my alert level and medium fan speed noticeably louder. A tossup whether the top is better than the 902. Either could use a removable grate for the 200 mm fan. Probably usually cheaper than the 902.
The mounting for the SSD in the 902 makes the cable attachment difficult , even with the silicon spacers (if you're lucky) and is obstructed by modular or non-modular power supplies, but manageable.

Cons: Features missing from the 902 version: Easily adjustable front and rear fan controls. Front filters that require moving the cages less than an inch forward to remove. Additional cutout for cable management.
Probably a little less well engineered.

Other Thoughts: Cable management for these cases is mostly a problem due to the fan cables which have to be disconnected to remove the drive cages. Then they have to be held taught while guiding the cage back in.
If the design has been changed it isn't found on this site. For example is there a large cutout for coolers? I don't care but some would. Visiting the Antec web site would help.
I expect to replace the 900 v.1 about when thunderbolt is on motherboards but find little better so far.

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

  • Marius I.
  • 8/3/2015 9:19:56 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs5 years after

Pros: Spectacular case. It`s should still be the bench mark.

Pure and simple. Otherwise its going to be a wiry mess. also I recommend this for a small factor motherboard.

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  • Brett M.
  • 7/30/2015 11:28:58 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsLike it during assembly stage, still need to test it though

Pros: -4 fans. Not just room for 4 fans. No, it comes with 4 fans. That's amazing.

-Pretty case. Shame I won't really have it on full display.

-Quality. No sharp edges and the like. Love the thumb screws for the side panel.

Cons: -The fan expansion slot is pretty silly, IMO. It was a pain to get out, and it was just in the way. My mobo had its SATA slots right against the fan expansion slot, so I just took it out. Many others report that big GPUs fight with it for space as well. I'd say I'll find out when my GPU gets here, but since I already took out the expansion slot, its kind of a moot point.

-The fan cords fortunately worked perfectly with my mobo, but tucking away the excess cable length was a pain. Also, did we really need a 6" long wire for each switch? It would be AWESOME if they found a way to connect those babies right to the front of the case, so you could alter the fan speeds without having to take off the side panel. Seriously Antec. Do this.

-I personally didn't like the PSU on the bottom. Thinking about it, any heat it generates will rise right up under my GPU, which will probably be my bottleneck for gaming since I'm sporting an i5, so I don't need my GPU picking up extra heat. Plus, its gonna be an R9290x...that puppy is gonna give off enough heat as it is. Hopefully investing in a gold cert. PSU will reduce the heat...

Other Thoughts: Three eggs for now, 4 if everything works fine when I power it up next week. The 4 fans will be really nice, so long as they work when I hook it up. I want to like that they're adjustable, but realistically, I'm never, EVER gonna open up my case and change them based on whether I'm gaming vs playing solitaire. They should hook them up to the top/front a useful/accessible place. I will say that the LEDs also make me nervous. Doesn't look like I can kill them unless I want it to be permanent...but with the computer in the same room as our TV, those blue lights are gonna be awfully distracting at night, I would think. We shall see. I could always just put a piece of cardboard in front of the case when I'm not using it, but I hate that that's my only option.

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