The CiT Classic Micro is a budget focussed Micro-ATX chassis aimed at business and home office solutions. The Classic Micro is equipped with 2 x USB 3.0 and 2 x USB 2.0 ports on the front I/O panel and includes a rear 80mm fan. The Classic Micro is an ideal choice for anyone looking to build an office or home based PC on a budget. Power Supply A basic 500W power supply is pre-installed, with the following specifications and cables: PSU Rail Outputs +3.3V: 26A +5V: 27A +12V: 22A -12V: 0.5A +5VSB: 2.0A Connectors 1 x 20+4-pin ATX 1 x 4-pin CPU 3 x SATA 2 x Molex 1 x FDD Clearances Max GPU Length: 330mm Max CPU Cooler Height: 160mm