8 hot-swappable drive trays to accommodate up to 8 x 3.5” or 2.5” SAS-12G / SATA-6G drives with two LED indicators for displaying drive operation status, Supports E-ATX / SSI-EEB motherboards, Compatible with 420mm liquid cooling radiator, Flexible front expansion slot for 3 x 5.25” devices or secondary PSU slot, Front I/O includes: 1 x USB Type-C, 2 x USB 3.0 & 1 x combo audio.