The TL-Rack 410 is a 4U, fault-resilient, 14-slot, 19" rack-mount computer chassis with dimensions of 19" wide x 7" high x 20.1" deep. Units can be fitted with an AT/ATX motherboard or 14-slot ISA/PCI backplane, regular or redundant power supplies, and temperature/fan alarm module to form an intelligent rack-mount computer system. The TL-Rack 410 offers five drive bays that include 5.25" x 3", 3.5" x 1" and optional internal 3.5" x 1". For convenient upgrades, installation and maintenance, the top cover releases with two thumbscrews. Power supplies are PS/2-type 250W/300W AT, ATX or 250W ATX hot-swap styles. An option lets users install a dual computer system such as a 7/7 split. The control panel has a modularized design and an alternative set of switches can be used for dual-system configurations. An optional alarm monitors internal system temperature and CPU fan and cooling fan status. Chassis come in black or beige.