Detailed Product Description Features: 1) All the screw fixed case can be hand-controlled, no tool needed 2) With ball-bearing fan on side panel to release heat 3) According to atmosphere-flow, adopts several channels to release heat and build a room with constant temperature 4) Multiple heat-release design: side panel fan and a main fan, release heat quickly 5) Imported high-quality all metals hem technique: no finger injury caused6) Strong expansibility, HDD frame extend to bottom compatible P4 comprehensively 7) Front panel with USB port: audio and video 8) Several colors for choosing make the panel more beautiful 9) With air guide on side panel in order to release heat quickly 10) Provide drive bays: 5.25" x 4, 3.5" x x 6 (FDD x 1, HDD x 5) 11) Measurement: 310 series structure 12) Material: 0.5/0.6/ MM SGCC 13) Case dimensions: 390 x 190 x 427mm Net Weight: 5kg Gross Weight: 6kg Conveyance:Qty/20'FCL: 550pcs Qty/40'HQ: 1,250pcs