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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
  • Power & reset button with blue LED
  • 2 x USB 3.0
  • Audio In and Out Front Ports
  • 1 x 120mm TriCool rear fan with 3-speed switch control
  • 2 x 120mm TriCool blue LED front fans with
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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 2.0
    • 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

Quick Info


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

Customer Reviews of the Antec Nine Hundred

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  • Charles L.
  • 11/26/2014 3:26:16 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsNot Great

Pros: Plenty of Room for a Good GPU, USB 3.0, Good Cooling

Cons: Hard drives are a royal pain to remove and replace. Front grills are prone to moving around even when tightened as much as possible.

Did you find this review helpful? Yes No

  • Erik N.
  • 11/24/2014 8:18:16 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsSolid, but no place for cables

Pros: Case is solid, heavy, and well built. Mine has been working with no problems for 4.5 years now. The front-mounted audio and USB ports are most helpful.

Cons: The case provides no room under the motherboard to route cables, leading to a more cluttered top end than necessary. Long video cards will require removing a HDD cage. The comments about dust collection are accurate but typical of cases generally if they don't have intake filters.

Other Thoughts: In 2010/2011, I would probably have given 5 eggs, but now there are better products.

Did you find this review helpful? Yes No

  • Simon C.
  • 11/20/2014 10:44:30 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsCool looking

Pros: Very quiet fans, the air circulation seems to be very good.
Enough space to fit in the 4gb graphic card without any problem.
Kinda cool looking.

Cons: I would have expected the big button to be the power but that's some trivial matter.

Other Thoughts: The case does not come with speakers so don't expect any POST beeps. Made it up by getting a motherboard with LED codes.
Want to make a gaming build? Go ahead and get this case.

Did you find this review helpful? Yes No

  • Evan B.
  • 11/20/2014 9:43:18 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsGreat case needs an update

Pros: 1. Built like a tank

Cons: 1. Requires tools to install drive bays
2. Need a kit to convert 5.25" bays
3. No air filters
4. Expensive

Other Thoughts: Antec makes some great cases and this WAS no exception. But this case has been on the market since like 2006 w/ no modifications. I think it is overpriced considering what you are getting.

Docking one egg for the price and another egg for the missing features I'd like to see.

I returned this case and bought the Thermaltake G42 w/ window.

Did you find this review helpful? Yes No

  • Anonymous
  • 11/13/2014 12:27:31 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGood Case!

Pros: -Great Air flow
-Blue LED's still working!
-Easy to move
-Has thumb screws for easy cleaning
-Side window

Cons: -No place to hide cabels.
-Inside should be black instead of white.

Did you find this review helpful? Yes No

  • Matthew L.
  • 11/12/2014 9:06:54 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsFantastic Durable Case

Pros: I've now bought and built 4 computers from the ground up using this case for myself, my son and other people. Top notch quality and high quality parts. Will continue to recommend this case to my friends who are building as long as Antec continues to make it.

Cons: Heavy, but that's part of "high quality" IMO.

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  • Brian C.
  • 11/3/2014 3:06:13 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggsFront USB 3.0 ports not working correctly

Pros: - Lots of fans. Good airflow
- Thumbs screws are nice.

Cons: - Front USB3 ports don't work correctly. Rear ports work fine.
- top tray is too small for an external hard drive enclosure. Forced my to put my old drive on a box on the floor while i transferred data.
- Only came with 8 matching motherboard screws, when I needed 9. So I use a spare hex screw for the 9th.
- No good places to hide cables or tie them.
- Instructions are pitiful

Other Thoughts: Instructions could make it more clear how to remove cages, remove optional fan mounts, clarify that the 3-pin fans work fine with 4-pin chassis fan ports on motherboard. There's no suggestion as to what speed to leave fan speed at (Low,Medium,High) when they're being controlled by the motherboard fan controller

I have an Asus Z97-Pro (Wifi).
I kinda wish I got the Antec 902, because it has lint filters for the fans, and the tray on top of the tower is bigger.

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

  • Jeremiah B.
  • 10/27/2014 3:07:49 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsRad, but cramped

Pros: Looks awesome as hell.
Easy to carry.
So many fans.
Has a place for a side mounted fan and those are amazing and you should have one.

Cons: Lets in a TON of dust.
Quite cramped - if you plan on having a modern graphics card you're going to have a bad time (it will fit, but it will be exhausting).

Other Thoughts: This is a good case, despite its faults. I prefer dust-filters and full-size cases now, however.

If you don't mind buying canned air every so often and like smaller cases, this is a good choice.

Did you find this review helpful? Yes No

  • Brian M.
  • 10/26/2014 3:02:33 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsPretty nice.

Pros: Great case for the time.

Cons: The build quality was fairly cheap but at the time this was a really good deal. I cannot remove an egg because the price was good when it would go on sale.

Did you find this review helpful? Yes No

  • Greg C.
  • 10/24/2014 5:19:39 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGood case

Pros: Bought it almost 4 years ago; Still works great. Have had to replace 1 fan

Cons: na

Did you find this review helpful? Yes No

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Item#: N82E16811129021
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