FSP M540-WA is a white ATX Mid Tower case for building a desktop PC and the white version of the M540. Its 0.8 mm SPCC steel chassis has two glass panels and measures 451 × 258 × 491 mm (D × W × H).
It supports ATX (BTF), Micro-ATX and Mini-ITX motherboards, with room for graphics cards up to 420 mm long and CPU coolers up to 180 mm high. Four 120 mm ARGB fans come pre-installed: three reverse fans on the side and one at the rear. These give the build its specified fan layout from the outset.
The front I/O has two USB 3.0 ports and one Type-C port. Storage mounts hold up to five SSDs or three HDDs. For liquid cooling, it supports radiators up to 360 mm; the ATX power supply bay accommodates units up to 250 mm long.