This is a revision of the S400. The S401 has been enlarged slightly to support longer and wider GPUs, SFX-L PSUs, and 3.5" HDDs. The current specs are:
Case Specifications
Material: Galvenneal 0.04" thick, Stands: 0.128" thick
Dimensions (External): 357.124mm x 68.2244mm x 324.358mm (14.06" x...