4U 5.25" 4-Bay Compact ATX Chassis with 400W Redundant Power Supply - Sleek aluminum front bezel with key lock design - Supports standard ATX and mini redundant power supply - Standard 4x 5.25" bays available - 2x USB 3.0 ports in front for easy access - Rackmount and desktop convertible - 400W redundant power supply The DN-105-T, DN-200, DN-300, and DN-400 chassis are designed with elegance and functionality fit for Audio/Video industry and Home Theater Personal Computer (HTPC). With the advancement of server racks for home, these models are ideal for both rackmount and desktop orientation. DN series is ideal platform for HTPC build using popular AMD and Intel processors.