For use with SAS/SATA HBAs (Host Board Adapters) & external drive housings Thumbscrew type SFF-8470 (4x) connectors on both ends SAS (Serial Attached SCSI) compliant Fully compliant with SATA II specifications (Electrical Specifications, section 6.6) Full duplex communication up to 3 Gb each direction/channel Warranty: 10 years