Gen4 16GT/s SFF-8639 68P with 15pin(4pin) PWR connector to SFF-8644 4x

Gen4 16GT/s SFF-8639 68P female  with15pin /4pin power  to  Mini SAS HD 4x  external cable assembly

wire size (AWG)=30~28
impendance = 100 ohm / 85 ohm
RoHS Compliant