The HighPoint RocketRAID 4520 Controller Card supports 6Gb/s SAS and Serial ATA/600 interfaces, providing a reliable and efficient way to manage storage. This PCI Express 2.0 x8 plug - in card features a dedicated RAID - on - Chip processor and 512MB of DDR3 cache memory, ensuring stable and high - performance data transfer. It supports multiple RAID levels including JBOD, 0, 1, 5, 6, 10, and 50, making it versatile for various storage configurations. With 8 total SAS ports and compatibility with Mac, PC, and Linux systems, this controller card is ideal for professional business and media applications where data availability and reliability are crucial.