This 4U High Performance Rackmount Chassis is perfect for use as a server or as part of a cluster. It is constructed of 1.2mm zinc‑coated steel and has an aluminum front bezel. It features seven 5.25" (four vertical, three horizontal) and one 3.5" externally accessible drive bays, plus another internal 3.5" drive bay. The drive bays are hidden behind vented doors, which can be locked to prevent unauthorized access. The front panel includes two USB 2.0 ports, plus indicators for power, HDD activity, and temperature and fan alarm indicators. The power switch and reset buttons are located behind the right side lockable front door. The case accommodates EATX, EEB, CEB, ATX, and Micro‑ATX motherboards (up to 12.0" x 13.0") with up to seven expansion slots. It includes three 120mm and one 80mm cooling fans, plus accommodation for a second 80mm fan (not included). The air filters can be removed and washed. It is compatible with ATX PS2, PS3, and Mini Redundant power supplies (not included).