AIC XE1-2ET00-08 RSC-2ET, 2U, 12x 3.5" hot-swap bays, tool-less 3.5" and 2.5" HDD tray, 800W CRPS redundant power supply, 2x 15mm 2.5"HDD internal OS, low profile rear panel, rail, 2U12 SAS 12G