Featuring RAID control capabilities, the PERC 4 Dual-Channel PCI-to-SCSI Host Adapter from Dell provides reliability, high performance, and fault tolerant disk subsystem management. The card offers two SCSI channels supporting a throughput of up to 320 MBps. Offering 128 MB cache memory and supporting RAID levels 0, 1, 5, 10, and 50, this RAID controller can be installed in your system's motherboard.