4U Rackmount Server Chassis – Supports E-ATX/ATX/M-ATX/Mini-ITX, 4-Drive Bays
4U Rackmount Server Chassis 4X3.5 + 3X3.5 or 2X3.5+2X2.5 Drive Bays Eatx/Atx/Matx/Mini-Itx Support. Internal 4x3.5" + 3x3.5 or 2x3.5+2x2.5" Drive Bays for EATX M/B Internal 8x3.5" + 3x3.5 or 2x3.5+2x2.5" Drive Bays for ATX, Micro ATX, Mini-ITX M/B.