Promise Technology completely redefines network server and high-end workstation storage with its new UltraTrak SX and RM series of SCSI-to-ATA RAID subsystems. These powerhouses allow IT professionals to build huge capacities with up to eight (SX8000 / RM8000) or four (SX4000) Ultra ATA drives for maximum versatility and economy. A scalable design helps increase performance, capacity, and data redundancy.