Adaptec 2400A UDMA Four Channel RAID Controller: It is ideal for PC server users looking to take advantage of advanced RAID features on ATA hard drives. The Adaptec ATA RAID 2400A card is a microprocessor-based RAID solution for PC server environments employing ATA hard drives. The Adaptec ATA RAID 2400A supports up to 4 drives, with transfer rates up to 100 MByte/sec per channel over 4 channels - providing advanced RAID functionality at an affordable price. It is the ideal solution for those who want increased server capacity and performance. It offers state-of-the-art manageability features through Adaptec's Storage Manager Pro software.