Symbios Logic was a computer hardware company specializing in SCSI (Small Computer System Interface) host adapters and storage controllers. Originally part of NCR Corporation, it became Symbios Logic after AT&T's acquisition of NCR, and was later sold to Hyundai, then to LSI Logic in 1998. Symbios played a key role in developing SCSI technology during the 1990s, powering many workstations and servers. Its legacy lives on through LSI’s continued development of storage solutions under various brand transitions