The Supermicro AOC-USAS-S8IR is available from Calhoun Technologies. Calhoun Tech can help your company save up to 80% on IT Hardware. Manufacturer: Supermicro Part Number: AOC-USAS-S8IR Details: Supermicro AOC-USAS-S8IR Aoc-Usas-S8Ir Pci Express Sata / Sas Raid Controller