The RMC8414A-C is a 4U high rackmount PC featuring a Industrial grade ATX motherboard - with Core i processors. The rack PC features 3 x 5.25” & 1 x 3.5” external drive bays and two front USB ports in a 20.1" depth rackmount chassis. The chassis comes with a front door with a thumbscrew lock for access to the front drive panel door with a keylock for easy access to the drives. The RMC8414A-C is fully customizable and offers options for additional storage space, removable drive bay options, add-on cards, graphic cards, and Windows operating systems.