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Antec One Mid-Tower Gaming ATX Case Black 3X5.25 5X3.5 2X2.5 Front USB3.0 Top Rear 120mm Fans No PSU

Antec One Mid-Tower Gaming ATX Case Black 3X5.25 5X3.5 2X2.5 Front USB3.0 Top Rear 120mm Fans No PSU - 1
Actual product may not be exactly as shown.
Antec One Mid-Tower Gaming ATX Case Black 3X5.25 5X3.5 2X2.5 Front USB3.0 Top Rear 120mm Fans No PSU - 67322_l.jpg Antec One Mid-Tower Gaming ATX Case Black 3X5.25 5X3.5 2X2.5 Front USB3.0 Top Rear 120mm Fans No PSU - 67322_1.jpg Antec One Mid-Tower Gaming ATX Case Black 3X5.25 5X3.5 2X2.5 Front USB3.0 Top Rear 120mm Fans No PSU - 67322_2.jpg Antec One Mid-Tower Gaming ATX Case Black 3X5.25 5X3.5 2X2.5 Front USB3.0 Top Rear 120mm Fans No PSU - 67322_3.jpg Antec One Mid-Tower Gaming ATX Case Black 3X5.25 5X3.5 2X2.5 Front USB3.0 Top Rear 120mm Fans No PSU - 67322_4.jpg Antec One Mid-Tower Gaming ATX Case Black 3X5.25 5X3.5 2X2.5 Front USB3.0 Top Rear 120mm Fans No PSU - 67322_5.jpg Customer Photos (0)
Reg. Price: $76.98  CAD
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   Shipping Weight:   12.75 lbs
   Part #: ONE
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Features    [ Edit | History ]

Mid-Tower Case

For new builders and seasonal system integrators alike, everyone will find something to like in Atec's One case. This enclosure is stocked with features any builder will value at an attractive price. Put our PC together with ease and get to the fun stuff. If you're looking for high quality PC essentials at an affordable cost, then this enclosure is the One for you.

Quick Specs:
Motherboard Supported ATX Micro ATX Mini ITX
Limited Warranty 3 Year
Weight (Approximate) 10.80 lb
Color Black
Form Factor Mid-tower
Country of Origin China
Height 17.2"
Width 8.2"
Depth 19.2"
Green Compliant Yes
Green Compliance Certificate/Authority RoHS
Number of Fans Supported 5
Number of Fans Installed 2
Number of External 5.25" Bays 3
Number of Power Supplies Supported 1
Number of Power Supplies Installed No
Number of Internal 2.5" Bays 2
Number of Internal 3.5" Bays 5
Number of Total Expansion Bays 10
Number of Total Expansion Slots 7
Total Number of USB Ports 2
Installed Fan Size 4.72"
Total Number of Audio In Ports 1
Total Number of Audio Out Ports 1
Power Supply Installed No

Specifications    [ Edit | History ]
     Number of Internal 3.5" Bays: 5
     Number of Total Expansion Bays: 10
General Information  
     Manufacturer Part Number: ONE
     Product Line: Gaming
     Product Model: One
     Product Name: One Computer Case
I/O Expansions  
     Number of Total Expansion Slots: 7
     Front Audio In: Yes
     Front Audio Out: Yes
     Front USB: Yes
     Green Compliance Certificate/Authority: RoHS
     Green Compliant: Yes
Physical Characteristics  
     Color: Black
     Depth: 19.2" (487.7 mm)
     Form Factor: Mid-tower
     Height: 17.2" (436.9 mm)
     Weight (Approximate): 4.90 kg
     Width: 8.2" (208.3 mm)
Technical Information  
     Motherboard Supported: ATX
     Number of Fans Supported: 5
     Limited Warranty: 3 Year

Antec ONE Customer Reviews

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Antec ONE reviews.
Experience: 2 Months
 Verified Owner
Good price on sale, does the job.
No dust filters. No SSD slot, need to buy your own bracket.
Not sure if it's the motherboard or case, the connections (e.g. usb, jacks) at the back don't fit nicely.

Experience: 2 Years
Cheap, affordable case
Loud, no sound, dampening
Doesn't have any sound dampening, and this case feels very cheap materials-wise, but for the price, you can't expect everything on higher-end cases. If you are on a budget, then this case is perfect.

Experience: 1 Weeks
 Verified Owner
Lots of space for med case
One of the best med case out there. I've bought it on special with 15$ MIR.

Experience: 3 Years
Price, build quality, great airflow.
Only supports up to 266mm graphics cards, unless you want to hack it up with a dremel.
Despite antec's claims that this case only supports coolers up to 155mm in height, I can confirm that the Noctua NH-D15 (165mm) WILL FIT inside this case, in single fan mode, with about 1-2mm to spare. Please not I'm using an MSI Z77-gd55 motherboard, your results may vary depending on the board you're using.

You can use dual fans, but the side panel won't close properly, this of course may differ depending on your ram and motherboard VRM.

Experience: 5 Weeks
 Verified Owner
Antec name, price, bottom power supply.
Bottom metal is a bit flimsy in construction
When delivered the corner bottom of the case was bent but popped back out. Kinda of flimsy but does the job for its price.

Experience: 12 Months
Easy to use
Can't go wrong
Cheap Looking
Antec One is a good case if you are on a budget and is looking for a okay performing case. However it is not so budget friendly at its regular price, added that both its interior/exterior design is mediocre. There are better options for affordable cases and Antec One just does not justify its price.

Experience: 4 Months
 Verified Owner
-Good price.
-Offers high-end cases options without the price.
-Feels solid.
-None so far.
For the price, this case is great. You get enough space to put all of your components. Offers many features of a high-end case. In it's price range, it looks like one of the best choice around.

Note: Beware if your gpu is longer than 10.5". It won't fit.

Experience: 2 Days
 Verified Owner
Wonderful case! Sleek and well designed.
Could use some airflow on the back-end of the motherboard plate.Can get warm back there.
10/10 would buy again.
(but only rating 4 stars because critique)

Experience: 2 Months
 Verified Owner
Great case, easy to install hard drive/ssd/optical drive. USB 3.0. Very good price!
One of the usb ports seems to be faulty
I like and would recommend

Experience: 2 Months
 Verified Owner
Excellent case and design for the price
Can't stress enough how good this case has been for me. I have used it in many builds time and time again with no problems. It's tool less, has an air filter and has the ability to accommodate power supplies with large cables for cable management while keeping the case clean. Add in the extra two case fans and it's definitely a winner.

Highly recommended!

 NCIX Forum Messages

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Messages about Antec One Mid-Tower Gaming ATX Case Black 3X5.25 5X3.5 2X2.5 Front USB3.0 Top Rear 120mm Fans No PSU

This case will fit cpu coolers taller than 155mm (Brett_A3- Nov 17, 15, 1 Replies) Read this message
Plugging the blowhole... (Mayhemm- Jan 03, 14, 17 Replies) Read this message
The case is more expensive now? (Ching Nian_L- Sep 10, 12, 6 Replies) Read this message
Cooler Master Hyper 212+ Fit? (Skylar_M- Jul 12, 12, 9 Replies) Read this message
Noctua NH-D14 Fit this case? (QStep- Jul 11, 12, 6 Replies) Read this message
Real size? (Janick_F- Jun 07, 12, 4 Replies) Read this message

Post a New Message  |    All Messages       Browse NCIX Forums

Forum messages are not reviewed and may not contain accurate information about a product. Message contents are opinions from customers based on their own experience with a product. We do not recommend you make puchasing decisions based on Forum messages.
Reviews from the Web

Below are reviews found on other web sites for this product submitted by customers.

Posted by: TheBigTroll1226 @01/24/13
Posted by: werty316 @01/23/13
Comment: bit-tech review - 79% bit-tech approved
Posted by: Mang J @07/04/12
Comment: Neowin review - 9
Posted by: Mang J @07/04/12
Comment: The One is a great case for the value segment, including modern features like USB 3.0 and 2.5" drive support.
Posted by: Brandon_H @06/06/12
Comment: The included adapter will plug into the header from the case and then plug into a normal USB 2.0 header on a motherboard and turn the 3.0 ports into 2.0 ports. I thought this was a very nice touch for anyone that is just upgrading an older system to a newer case.
Posted by: Wasabi @03/19/12
Comment: The Antec One is good option for users on a budget.
Posted by: IC9 @02/22/12
Submit a review link   |   Latest 30 reviews
Product Warranty
First 30 days limited warranty through The remainder of the 3 year warranty is provided directly by the manufacturer.

All Antec computer cases carry a three (3) year warranty from Antec. 

Antec''s Global Online Customer Support

Antec Customer Support by Phone
1-800-222-6832 (800-22ANTEC)

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All pricing subject to change. For all prices, products and offers, reserves the right to make adjustments due to changing market conditions, product discontinuation, manufacturer price changes, errors in advertisements and other extenuating circumstances. Promotional offers from are subject to availability and are available only while supplies last. No rain checks will be issued on promotional items and offers.

While uses all reasonable efforts to include accurate and up-to-date information on the Site, makes no warranties or representations as to the Site's accuracy. assumes no liability or responsibility for any errors or omissions in the content on the Site. warrants product(s) to be in good working condition and free from defects in material and workmanship for a period of one (1) year for OEM packages, and for thirty (30) days for RETAIL packages, from the original Invoice date unless otherwise restricted below or by the manufacturer's own warranty policy. Defective returns and warranty service will be replaced, exchanged or repaired at's sole discretion, and based on vendor's policy.

NON-DEFECTIVE merchandise returns may be accepted on some items ONLY within 15 days of the Invoice date, at's discretion. All NON-DEFECTIVE returns are subject to a 15% restocking fee. No refunds will be issued for blank media, digital cameras (and accessories), opened software, printers, printer supplies, paper, projectors (and accessories), appliances, handhelds, PDAs, notebook computers, special order computers and special order items.

Defective software, video games or DVDs will be replaced by the SAME title and format ONLY (and subject to current availability) within 30 days of the Invoice date. Software, video games and DVDs may be returned within 30 days only if the item is UNOPENED (with shrink wrap still intact) at the sole discretion of does NOT apply a surcharge to credit card orders. Please read our RMA & warranty policy and terms & conditions for more information. If you have any questions regarding our sales and warranty policies, please send us a message -- we'll be glad to answer any of your questions.

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