Expired SFF-8015 Rev E SFF Committee documentation may be purchased (see p4). SFF Committee documents are available by FaxAccess at 408-741-1600 SFF Committee Specification for SCA (Single Connector Attach) for SFF SCSI Disk Drives Rev E This specification has Expired by ballot of the members of the SFF Committee. This specification of the first generation of SCA (Single Connector Attach) has been replaced by the second generation SFF-8046 specification.