Antec One S3
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Antec One S3


Compatible with ATX, microATX, and Mini-ITX motherboards, the Antec One S3 is a mid-tower gaming chassis which is constructed to house tool-less 5.25-inch and 3.5-inch drive bays and PSU intake with air filter.


Product Specification

Casing Dimensions and Specifications
  • 208 x 438 x 488mm (W x H x D)
  • 4.7kg
  • Supports Standard ATX, microATX, Mini-ITX motherboards
  • Maximum graphics card length: 266mm
  • Maximum CPU cooler height: 155mm
Drive Bays and Expansion Slots / Ports
  • 10 drive bays: 3 x 5.25-inch / 5 x 3.5-inch / 2 x 2.5-inch
  • 7 Expansion Slots
  • 2 x USB 3.0 / Audio in/out
Case Cooling
  • 1 x 120 mm top blue LED exhaust fan
  • 1 x 120 mm rear exhaust fan (optional)
  • 1 x 120 mm side intake fan (optional)
  • 1 x 120 mm front intake fan (optional)
  • 1 x 120 mm / 140 mm bottom fan (optional)