A4 Gray Specifications: Model A4 Gray Color Gray Dimension 169mm(W)*273mm(H)*340mm(D) Material Top plate 3mm aluminum magnesium alloy; Front plate/back plate/bottom plate 2mm aluminum magnesium alloy; Hardware 1.5mm all black steel plate; Side plate 3.00mm all tempered glass; Motherboard ITX Drive Bay 2*2.5+1*3.5 Cooling System Top: 120mm*2 (optional); Bottom: 120mm*2 (optional) Max. CPU Cooler Height 71mm Max. Display Card Length 325mm Front I/O Port POWER*1; USB3.0*1 PCI Expansion Slot 2 PSU Support SFX/SFX-L Weight Net 5.6KG