BL Series | Micro-ATX Chassis 11.5L Small Form FactorA small 11.5L SFF chassis with optimal thermal and acoustic performance. Excellent Thermal Solution High Compatibility Optimal Thermal Performance Multi-Enjoyment New PPCT Excellent Thermal & Acoustic Solution BL631 11.5 Liters Small Form Factor Design Intel Lanyu Ref. Design Optimal thermal and acoustic performance Design Philosophy A small 11.5L SFF chassis with optimal thermal and acoustic performance. High Compatibility It is compatible with standard desktop components, which makes the installation easier and provides a great expandability when needed. Detachable Drive Bay Cage For easy installation Multi-Enjoyment Designated Infrared Receiver position to support Media Center and optional internal amplifier.