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Antec Three Hundred Two Gaming Case, Black

4.5 out of 5 stars 211 customer reviews
| 30 answered questions

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  • 11 drive bays: - 3 x 5.25 Inch tool-less drive bays - 2 x 2.5 Inch drive bays (dedicated) - 6 x 3.5 Inch tool-less drive bays; Motherboards: Standard ATX
  • Motherboard compatability; Standard ATX, microATX, Mini-ITX with 8 expansion slots.
  • Maximum graphics card size: 12.5" (318 mm) Maximum CPU cooler height: 6.7" (170 mm) with an enlarged CPU cutout
  • Cooling System: - 1 x 120 mm rear TwoCool fan - 1 x 140 mm top TwoCool fan - 2 x 120 mm front intake fans (optional) - 1 x 120 mm side intake fan (optional) - 1 x 120 mm side exhaust fan behind motherboard (optional)
  • Front I/O ports: - 2 x USB 3.0 with internal motherboard connector - Audio In/Out
  • Perforated front bezel for maximum air intake, Water cooling support: top water cooling grommets
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Product Description

Built for high-end gaming, the Three Hundred Two was created specifically to run the PC's newest, biggest titles! Designed to appeal to the gamer in all of us without breaking the bank, the Three Hundred Two is built for the ultimate player's experience. With an enlarged CPU cutout, two USB 3.0 ports, nine tool-less drive bays and eight expansion slots, everything's all set for you to create your perfect system. To keep your dream machine running smoothly, the Three Hundred Two comes with an equally impressive cooling system made up of top and rear TwoCool fans, a perforated front bezel and top water cooling grommets. If you're upgrading for the next blockbuster or just looking for an affordable case, the Three Hundred Two should more than suit your needs!

Product Information

Technical Details

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Summary : Screen Size, Screen Resolution, Graphics Coprocessor, Graphics Card RAM
Number of USB 3.0 Ports 2
Brand Name Antec
Item model number Three Hundred Two
Item Weight 15.3 pounds
Product Dimensions 18.5 x 9 x 20.2 inches
Item Dimensions L x W x H 18.5 x 9 x 20.2 inches
Color Black
Audio-out Ports (#) 1

Additional Information

Customer Reviews
4.5 out of 5 stars 211 customer reviews

4.5 out of 5 stars
Best Sellers Rank #351 in Computers & Accessories > Computer Components > Computer Cases
Shipping Weight 15.5 pounds
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available January 15, 2012

Warranty & Support Return Policy:You may return any new computer purchased from that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Product Warranty: For warranty information about this product, please click here


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Customer Reviews

Top Customer Reviews

By R. Theis on April 13, 2012
Verified Purchase
The Antec 302 mid tower case is a great case in a little package. I purchased this for a full ATX Asus board which fits with out any problems what so ever. The 302 is a revamping of the gamers favorite case , the 300. With new design features such as tooless drive bays and cable management holes in the back plane, the 302 is improved over it's brother , the 300. The 6 HHD bays are accessed from the side and the 3 x 5.25" bays on the front are easy to use and are accessed via a swing out front panel that unlatch from the side. I would have liked a 3.5" adapter for the front drive bays, but is not a deal buster. It also has two places for SSD/ 2.5" drive units on the chassis floor and back plane, but I prefer to mount them in the HHD drive slots using an aftermarket adapter for 3.5" to 2.5" drive.
The case will fit ATX, Micro ATX, and Mini-ITX motherboards and has 8 expansion slots for PCI cards. The chassis is wide enough for a 12.5" graphics card and is deep enough to fit most any air or water cooling system. It does have two grommeted holes in the top of the case for external water cooling or cables. I managed to install an Antec Kuhler 920 water cooler without any problems what so ever. The bottom of the case is vented and has a dust screen on it for a bottom mounted power supply. The dust screen removes from the side for ease of cleaning. It also has a dust screen on the front of the case that can be removed for cleaning.
While the case comes with a top mounted 140mm exhaust fan and 120mm rear exhaust fan, the case can also be fitted with 2 x 120mm fans in the front, as well as, a 120mm fan on the side to cool the graphics card and a 120mm fan on the back side behind the motherboard to cool the CPU from the back. As for the front header, there are 2 USB 3.
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*Sturdy, with nicely rolled edges throughout that won't cut you.
* 3 external 5.25 drive bays is just right.
*No external 3.5" drive bays. Use an external card reader or adapter dongle.
*Side and front panels are hinged, easy to remove.
*Roomy enough for 9"x12" boards with SATA ports mounted sideways.
*"Sideways" HDD bays make drive swapping easier.
*2 of the 3 fan intakes are filtered.
*Quiet fans, more than adequate for stock usage and even mild overclocking.
*"Tool-Less" bays work nicely.
*Cutout behind the CPU area makes installing giant coolers very easy.
*Fan behind the CPU. Case makers ignored that excellent cooling opportunity for years.
*Looks great, very sleek and simple.
*No cheesy, bulbous "convenience panels" which cause a real birds nest of wires.
*My Hyper212+ cooler and Ripjaws RAM all fit just fine!
*Cable management is awesome! Never had such a clean and easy build!

*Has too many (6)internal 3.5 bays. If you need more than 4 HDD's, get a full tower!
*Side doors should have captive thumb screws. Even Dell uses them.
* No 3.5" to 2.5 HDD bay adapters were included, the "mounting holes" are useless.
*Rear 120mm exhaust fan is too weak for overclocking, though perfect for stock usage.
*Fans should have come with 4 pin connectors for automatic fan control.
*2 of the120mm fan intake grills are unfiltered, rendering the other filters useless.
*The front headphone jack is too tight, and almost ruined my expensive ear buds. (fixt).
*Fan grills are stamped honeycomb, far less efficient than concentric wire grills.
*Need a cable management access hole for the EATX power cable.
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Verified Purchase
Pros: 1. Nice looking but understated, and without all the stupid lighting effects seen on most crummy gaming rigs. 2. Roomy inside. 3. Built in (but also replaceable fans on the back and top with adjustable high/low rpm external switches for both. 4. Along with option to mount front vents for HD ventilation, also vents for optional fan mounting over PCI-E slots as well as under the CPU. 5. Decent cable management options. 6. Nice mesh dust filters for the power supply fan underneath and over the grill in front of the 3.5" slots. 7. Fit most heat sinks I can think of (does fine with my Noctua NH-12UP at 158 mm). 8, Includes the 20 pin single USB internal plug for the front ports, so if you have a new enough motherboard those don't need to be run to the back of the case. 9. Tool-free retention trays for 3.5/5.25 drives. 10. Well priced.

Cons: 1. If you like glitzy rigs with windows and laser light shows, it's not for you. 2. The grommets for water cooling tubes are on the top and not the back of the case, which I think is odd but whatever. 3. While the retention trays on the 3.5 inch drives work great, if you plan to mount a 2.5" SSD in them, you will probably run into trouble as the pins on the trays require a full length mounting platform, and most 2.5-to-3.5 mounts that come with SSD's won't be long enough. I used a Silverstone FP55B mount (with the front bay plate taken off) to put 2 SSD's into one of the 5.25 slots instead, and that worked great, but I had to buy the extra mount. 4. If your MB has an 8 pin connection behind the ports on the back/top corner, there is no really nice way to handle the cable management on that.
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