Supermicro server chassis CSE-836BE1C-R1K23B, 3U, 16 x 3.5'' hot-swap SAS/SATA drive bay with SES2, 16-port 3U SAS3 12Gbps single-expander backplane, support up to 16x 3.5-inch SAS3/SATA3 HDD/SSD, 7 FH& FL expansion slots, 1U 1200W/1000W PSU