Costa Mesa-based Emulex said this morning that its serial attached SCSI (SAS) controller is being used by storage systems provider AMCC. Emulex said that its SAS I/O Controller product is shipping in AMCC 3ware's 9690SA RAID controllers; the firm's embedded semiconductors are used to connect storage systems to SAS disk drives. Emulex is a developer of storage area networking semiconductors and other products.