2940U 1CH USCSI PCI 5V SGL W/O CBL The AHA-2940 Ultra host adapter is the ideal PCI-to-SCSI host adapter for entry-level servers and workstations. It moves data fast - up to 20 MByte/sec. And it connects up to 7 SCSI devices for expanded storage capacity. In addition, the AHA-2940 Ultra adapter delivers unrivaled system and peripheral compatibility.