The HighPoint RocketRAID 2300 Controller offers 4 internal ports that combine high-performance storage connectivity of Serial ATA with HighPoint"s advanced RAID features, including, Online Capacity Expansion, Online RAID Level Migration(OCE/ORLM) and HighPoint"s RAID Management software. The RocketRAID 2300 supports advanced RAID levels 0, 1, 5,10 and JBOD for maximum configuration flexibility.