Key Features 90° Rotatable HDD Cage Whisper-Quiet (<21dB) Kensington Lock Security Front I/O Ports: 2x USB 3.0 1xType C Line out jack & Microphone jack 1x Optional Front 12cm (1850 RPM) PWM Fan Mid-Tower Chassis Supports Micro-ATX Motherboard, Sizes – E-ATX/ATX/Micro ATX 668W Platinum Level Certified High-Efficiency Power Supply 1x Rear 12cm (1850 RPM) PWM Fan 2x 5.25" External HDD Drive Bays & 4x 3.5" Internal HDD Drive Bays Security door for M14&M28 Mobile Racks