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Antec Three Hundred Two Black Steel ATX Mid Tower Computer Case with Upgraded 2 x USB 3.0

Ships from United States.

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  • Steel ATX Mid Tower
  • 2 x USB 3.0 / Audio Front Ports
  • 3 External 5.25" Drive Bays
  • 6 Internal 3.5" Drive Bays

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews
Antec

Antec Black Steel ATX Mid Tower Computer Case

The team that brought you the Three Hundred is back with an enclosure designed to handle today and tomorrow's high-performance systems. Introducing the Three Hundred Two, the next standard in affordable gaming cases. Our newest chassis is built for gamers from the inside-out, from its aggressive front bezel, to its advanced cooling system. The Three Hundred Two is the rightful heir to the Gaming Series legacy.

Features


Antec

Cooling

To ensure that heat won't be a problem, the Three Hundred Two offers a rear 120mm TwoCool™ fan and a top 140mm TwoCool™ fan with four optional fans. It also features a side 120mm fan mount to cool graphics cards and another 120mm fan mount behind the motherboard try to help dissipate heat buildup. For maximum flexibility, top water cooling grommets are included for a custom water loop option and an enlarged CPU cutout.

Antec

Less Maintenance and More Gaming

Comes with total of nine tool-less 5.25" & 3.5" drive bays with two dedicated SSD mounts, a large cable management compartment, and two front panel USB 3.0 ports with an internal connector makes installation a 1-2 step. The Three Hundred Two also takes advantage of the cable routing holes behind the motherboard tray, making cable management a breeze. It can support a maximum graphics card length of 12.5" (318mm) and a removable, washable PSU air filter and front intake filter to top it off.

Gallery

Antec Antec Antec Antec

Specifications

Model Three Hundred Two
UPC 0-761345-15320-1
Unit Dimensions (H x W x D) 20.2 x 9 x 18.5" (513 x 229 x 471mm)
Package Dimensions (H x W x D) 22.2 x 11.4 x 20.7" (565 x 290 x 525mm)
Maximum Video Card Size 12.5" (318mm) maximum video card size
Case Type Mid-Tower
Front Ports Two USB 3.0 with internal motherboard connector • Audio In/Out
Cooling SystemCase Type
  • One 120mm rear TwoCool™ fan
  • One 140mm top TwoCool™ fan
  • Two 120mm front intake fans (optional)
  • One 120mm side intake fan (optional)
  • One 120mm side exhaust fan behind motherboard (optional)
Drive Bays
  • Three 5.25" tool-less drive bays
  • Two 2.5" drive bays (dedicated)
  • Six 3.5" tool-less drive bays
Motherboard Support Standard ATX, microATX, Mini-ITX
CPU Cutout Enlarged CPU Cutout
Color(s) Black
Weight
  • Net Weight 15.3 lbs (6.9kg)
  • Gross Weight 18.7 lbs (8.5kg)
Expansion Slots 8 expansion slots

Learn more about the Antec Three Hundred Two

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Standard Return Policy.
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Antec Three Hundred Two Black Steel ATX Mid Tower

Pros: I like it more than my old Antec 900 with a side window and found it very easy to work with and its support for up to six hard drives is awesome. It is not as thick of steal as my old Antec but once together I am finding it very sturdy not that I plan on moving it around much lol. The dust filters covering the key fan intakes and the removable dust filter at the bottom that cover my power supply is great. I also liked the extra plate on the back that securely locks down and over all the PCIe card screws very nice. I have all fans added to this case and it is very quiet thus make sure you have the fans in tight and they are not all running full blast. I have also placed a Hyper 212 on my I9 9900K and it fits with about a ½ inch from the side and it also supports a very long video card everything you need I find and spend more for power under the hood. I really like this case.

Cons: It is not an overly expensive case and on sale great. I wanted to spend more under the hood.
If you like lights and flashy looking cases this is not for you.
I had a window and the thrill from dust is dead.

Other Thoughts: Yes
Yes
Dust covers for all the other fans would be nice but for the price awesome.

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Ownership: 1 month to 1 year
Verified Owner
5/ 5
Roomy and Keeps temps low!

Pros: Transferred my ASRock 970M Pro3 to this case. Also, installed a Cooler Master Hyper 212 LED Turbo CPU cooler. Temps are running at 85 degrees F and Motherboard at 80 degrees F. The Graphics card Zotac GeForce GT 730 4 GB, does not a fan, temps are running at 87 degrees F.

Cons: None!

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Ownership: 1 week to 1 month
Verified Owner
5/ 5
Great Product, Easy Use, Spacious Interior

Pros: Has plenty of air volume for interior cooling. You can also setup water cooling system. You can easily route wires out of the way for added cooling. Case itself was easy to customize and adaptable to my needs. For a mid tower, very impressed for the price.

Cons: The only con I found was the chassis reinforcement for the psu section wasn't spacious enough for a psu damper. The damper I am referring to is the rubber grommet that is placed on the power supply to reduce vibration noise from the PSU fan.

Other Thoughts: The chassis ( Case ) is designed for the new 3.0 usb. thus you will need an adapter cable from 3.0 to 2.0 usb for older motherboards.

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Ownership: 1 week to 1 month
Verified Owner
3/ 5

Pros: Case is great but problems with USB and Audio panel

Cons: The USB 3.0 or audi on front panel dose not work DOA

1 out of 1 people found this review helpful. Did you?
2/ 5
So unimpressed

Pros: - cheap (on sale).
- side fan blowing directly behind the cpu and area.
- case seems solid but not a "strong" solid.
- not much else.

Cons: - I don't know how but this case is LOUD. I have all decent fans (stock ones gone day one) not running full speed and you can hear each and every one. This case was NOT designed to be quiet whatsoever (that's with dampening foam, H60 closed loop, 120mm in front + behind cpu, no top 140mm or front side 120mm).
- the 3.5" hd bays leave very little room between the connectors and the side of the case. They could have easily moved the hd's forward a full inch and left plenty of room. My plastic NZXT cables are not the most flexible and are really putting strain on the drive connectors.
- cable management seems like an afterthought. They just put in a few holes and that's it, there is nothing on the backside to attach to.
- no convenient 2.5" drive connectors. Granted I knew this buying the case but at what point will they ever support this. Bought 2.5 > 3.5 adapters and they work fine.
- the fan grills on the sides/back of the case are larger then the fans themselves (why?)
- and the worst part is the front fans. Buying a case that had fans directly on the drives was a requirement for me. They have to be attached with a long screw so I can't use my rubber ones. Then the layout of the holes they blow through cut down on the flow a lot and definitely jack the noise generated way up.

Other Thoughts: It was Antec like my current case and most reviews seemed positive. I do not buy big, flashy cases with windows to see the dance party going on inside. Function over fashion. But this case really, really let me down. In fact this case annoys me so much I will likely end up buying a different one and taking the hit from selling it.

3 out of 7 people found this review helpful. Did you?
Ownership: 1 week to 1 month
Verified Owner
1/ 5
Nice looking case, USB 3.0 port non-responsive

Pros: No problem getting all the components into the case and managing the cables.

Cons: One of the two USB 3.0 ports does not work at all...

Other Thoughts: Always used Antec cases but because of this may have to consider others in the future. Have contacted NewEgg and they contacted seller for possibility of replacement header for case, but no word yet and running out of time on return window. So plan to RMA this case and get a different one.

1 out of 2 people found this review helpful. Did you?
Ownership: more than 1 year
Verified Owner
5/ 5
Great case

Pros: Its a very sleek and simple case. Great for a basic workstation that isn't overly flashy.

Cons: No filter over the vents near the PCI slots.

1 out of 1 people found this review helpful. Did you?
Ownership: more than 1 year
Verified Owner
4/ 5
Barebones

Pros: Basic, gets the job done

Cons: None

Other Thoughts: An old pc case, no new features like the others but I didn't care too much about the features.

1 out of 1 people found this review helpful. Did you?
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