SilverStone SST-WS380-E High-Expandability Professional Workstation Chassis with 8 hot-swappable trays & 360mm Radiator Support Supports 8 x 2.5'/3.5' SAS/SATA SSD/HDD hot-swappable drive trays. Backplane supports 8-port SAS/SATA drives and 12 Gb/s Mini-SAS HD SFF-8643 + SGPIO. Supports up to E-ATX and SSI-EEB motherboard. Supports ATX (PS2) and 2U redundant PSU. Supports 360mm radiators. Supports 2 x 5.25' and 1 x 3.5' drive bays. Supports interface cards up to 370mm Multi-GPU support with 8 PCI expansion slots. Front door panel with lock design for additional security. Front I/O ports: 1 x USB Type-C, 2 x USB 3.0