The Adaptec AHA-2940W/2940UW PCI Fast-Wide SCSI Non-RAID Controller is a versatile and reliable interface card designed for connecting multiple SCSI devices to a computer system. With a total of 3 ports and support for various SCSI speeds, this controller card is compatible with a wide range of devices and offers fast data transfer rates. Made by Adaptec, a trusted brand in the industry, this controller card is ideal for enhancing the performance and functionality of computer systems requiring high-speed storage solutions.FROM MY GAMING DAYS 40yrs ago scsi was the way to go.......fast and super reliable HDsnever used (not retail purchase)