Drive Bays (x3) 5.25-Inch, (x4) 3.5/2.5-Inch Drive Caddies Cooling (x1) 140mm Intake fans, (x1) 120mm Exhaust Fan Expansion Slots 7 Motherboard ATX, mATX Front I/O (x2) USB 3.0, (x1) Headphone, (x1) Mic Power Supply ATX (not included) Built-in compatibility for SSDs in the four hard drive bays gives you the flexibility you need. Everything You Need, Nothing You Don’t. A compact expression of Corsair’s gaming philosophy. Great systems start with a great case, and Carbide Series 300R provides a remarkable number of features in a compact chassis. Easy access, lots of room for expansion, and superior cooling make the 300R a great choice for building powerful PCs that don’t take up a lot of room. Show More Show Less
