4u rackmount / tower chassis for eatx/atx/microatx motherboard with 8 hot swap drive trays supports eatx/atx/microatx motherboard shock-resistant disk drive bay provides eight hot-swap 3.5" or 2.5" sas/sata disk trays, one slim optical disk drive, and one 2.5" internal drive space supports 80plus single high watt power supply (700w/1200w) supports up to seven fh/fl expansion slots led indicators and alarm notification for system fault detection easy maintenance system fans
