ARC-1680ix 24-ports SAS RAID Controller Ports: 24 internal via SFF-8087, 4 external via SFF-8088 RAID: 0, 1, 10, 3, 5, 6, 30, 50, 60, JBOD Processor: 1200MHz (Intel IOP348) Cache: 512MB (upgrade to 4GB)