RocketRAID 6Gb/s PCI-Express Gen 2x8 SAS/SATA RAID Host Adapter. Ideal for low-cost external Storage configurations, and compatible with any PCI-E capable PC or Mac platform. Single External Mini-SAS connector directly supports up to 4 SAS/SATA drives, in RAID and non-RAID configurations. Compatible with Highpoint"s External JBOD Device Boards - supports up to 8 SATA drives when used in conjunction with the EJ220.