SAS3 12Gb/s and NVMe support, 10 x 2.5"(tool-less) hot-swap SAS3/SATA drive bay, 1U, 500W Redundant power supply Platinum level, 24Pin output, 2x full-height & full-length expansion slot(s) 1x low-profile expansion slot, 3 x 40x56mm counter-rotation PWM fan(s)