Mini iTX, Micro, ATX, ATX, and Extended-ATX motherboard compatible

Compatible Corsair Liquid Coolers : H55, H60, H75, H80i, H90, H100i, H105, H110

Two, modular drive cages house three 3.5″ or 2.5″ drives each, Four tool-free dedicated SSD cages

Nine expansion slots for multiple PCI-E devices or large motherboards

Radiator and fan compatibility : Top: 3 x 120mm or 2 x 140mm , Front: 2 x 140mm or 2 x 120mm (2 x 140mm included) , Bottom: 2 x 120mm , Rear: 1 x 140mm or 120mm (140mm included)

Maximum CPU Cooler Height 170mm, maximum GPU Length 450mm