Sans Digital TowerRAID 6G Series provide the easiest upgrade for your direct attached storage, doubling existing TowerRAID 3G products eSATA bandwidth, and overall performance. With all new 6G backplane, combine with new PCIe 2.0 x4 6G eSATA RAID controller card, you can reach 500MB/s, increased 50% from previous 3G product. Supporting the latest 4TB hard drives with up to 32TB total storage, you have enough storage with different application. TowerRAID 6G series work with Windows, MAC, and Linux providing solution for all computer environments and applications.