The FSP U500-B is a black workstation case for building a desktop system. It supports EEB, CEB, E-ATX, ATX, Micro-ATX and Mini-ITX motherboards, with nine expansion slots for add-in cards.
Made from 0.8 mm SPCC, the case measures 450 × 258 × 568 mm. Five 120 mm PWM fans come pre-installed—four at the front and one at the rear. The rear fan has a digital speed display.
The fixed dual graphics card holder allows graphics cards up to 420 mm long; the case also supports radiators up to 480 mm. Front-panel connections include two USB 3.0 ports and Type-C. It accommodates an ATX power supply up to 230 mm, providing space for workstation components and cooling.