Bring the speed of Wide Ultra SCSI to your IBM workstation, PC, or server with this IBM PCI Wide Ultra SCSI adapter. It provides a sustained transfer rate of up to 40MB per second.It offers Logical Drive Migration to let you add or remove disks or redefine arrays without shutting down your system and support for RAID levels 0, 1 and 5, plus the ability to change RAID level of existing configurations on-the-fly and redundant storage of vital RAID configuration data for greater system availability. Provides twice the data rate of Wide Ultra SCSI with advanced 64/32-bit high-performance PCI interface to help with bottlenecks and make you more productive. Plus, three channels support accessible from a single PCI slot, 32MB of cache and optional battery backup with its own 32MB of cache help provides superior data hit rates and improved system performance. Grow and adapt you Netfinity server system storage with three Ultra2 SCSI channels capable of supporting up to fifteen devices each (total support up to 45 devices).