PCI Express - Wikipedia, the free encyclopedia
PCI Express connector pinout (×1, ×4, ×8 and ×16 variants) Pin Side B Side A Description Pin Side B Side A Description 1 +12 V PRSNT1# Must connect to farthest PRSNT2# pin 50 HSOp(8) Reserved Lane 8 transmit data, + and − 2 +12 V +12 V 51 HSOn(8)...