1. Drivebay 3x5.25"+(7+1)x3.5" + 2x2.5"
  2. Cooling fan: Preinstalled 1 x 12cm + 2 x 8cm fan
  3. 2 x front access USB 3.0 with USB2.0 adaptor
  4. 4U rack mount chassis depth=450mm
  5. Rail is optional (not include with the chassis)