Supermicro SuperChassis 732i-500B System Cabinet - Mid-tower - Black - 7 x Bay - 1 x Fan(s) Installed - 1 x 500 W - EATX Motherboard Supported - 2 x Fan(s) Supported - 2 x External 5.25in Bay - 1 x External 3.5in Bay - 4 x Internal 3.5in Bay

500W Bronze Level Certified High-Efficiency Power Supply 2x 5.25in External HDD Drive Bays & 4x 3.5in Internal HDD Drive Bays Mid-Tower Chassis Supports Micro-ATX Motherboard, Sizes E-ATX/ATX/Micro ATX Whisper-Quiet (<21dB) Kensington Lock Security Front I/O Ports: 2x USB 2.0 5. 1x Optional Front 12cm (1850 RPM) PWM Fan 1x Rear 12cm (1850 RPM) PWM Fan 90 deg. Rotatable HDD Cage