SKU : 127695-B21 Mfg.: Compaq Description : Compaq RAID 431 CONTROLLERSmart Array 431 1CH PCI Ultra3 SCSI Controller 16MB The Compaq Smart Array 431 Controller is a single channel 64-bit architecture Wide Ultra3 array controller for entry-level hardware-based fault tolerance with support for up to 14 Wide Ultra3 SCSI hard drives. The SA-431 provides one of the most cost effective alternatives to software based RAID in the market today-by lowering entry level and workgroup server ownership costs. In addition the SA-431 is compatible with all LVD (Wide Ultra2 and Ultra3) drives and servers therefore offering an unparalleled degree of investment protection. Same as MFG Part #:143886-001