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Antec Three Hundred Two Gaming Chassis Review

Rating: 8.0.

Antec are a company who are continually adapting and improving their product range. Today we are looking at the Three Hundred Two, an update to the popular Three Hundred released way back in 2008.

The original case sold well at around the £40 mark, although in today’s market it is looking rather dated.

There are several key improvements that the company have made over the original Three Hundred version; firstly adding dedicated 2.5″ bays, watercooling support in the form of two grommets on top, improved cooling options, and upgraded USB 3.0 ports.

We know the competition in this sector is tough, so is this update enough to keep the Antec classic selling well?


  • 11 drive bays:
  • – 3 x 5,25″ tool-less drive bays
  • – 2 x 2,5″ drive bays (dedicated)
  • – 6 x 3,5″ tool-less drive bays
  • Motherboards: Standard ATX, microATX, Mini-ITX
  • 8 expansion slots
  • Maximum graphics card size: 318 mm (12,5″)
  • Maximum CPU cooler height: 170 mm (6,7″)
  • 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)
  • Perforated front bezel for maximum air intake
  • Water cooling support: top water cooling grommets
  • Enlarged CPU cutout
  • Front I/O ports:
  • 2 x USB 3.0 with internal motherboard connector
  • – Audio In/Out
  • Unit Dimensions:
  • 513 mm (H) x 229 mm (W) x 471 mm (D)
  • Net Weight: 6,9 kg (15,3 lbs)

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