Product Description COOLER MASTER PSU HAF STACKER 915 PSU FRONT HAF Stacker – the first expandable system that allows externally modular upgrades. The HAF 915F/R is a Mini-ITX case with removable top and bottom for additional stacking. Support of up to 360mm radiators in the stacking mode makes HAF 915F/R a powerful liquid cooling solution for system building enthusiasts. FEATURES Supports up to 360mm radiators and multiple 140mm fans on both side panels Dual USB 3.0 One 120mm fan included in the rear Supports up to 2 HDDs/SSDs by the brackets Rubber grommet helps to connect the PSU SATA cable for additional stacking Top & feet can be removed for additional stacking AIRFLOW ● Rear: 120mm fan x 1 (installed) ● Side: 120mm fan x 6 / 140mm fan x 4 (optional) ● Radiators: individual mode – 120mm x 1 (optional) – rear; stacking mode – 120/140/240/280/360mm x 2 (optional) – side panel MORE INFORMATION LIQUID COOLING COMPATIBILITY LIST