PCI-E X4 to SFF-8643 connection: PCI-E X4 to SFF-8643 interface needs to be used with U2 cable(Do not include).
Thick gold-plated fingers,Make data transmission more stable.
PCI-E X4 interface,Compatible with PCI-E Express X4/X8/X16 slots simultaneously.
Extension interface: SFF-8643. Support system: Compatible with Wins.
120mm High baffle, support full-height chassis, large chassis. 80mm High baffle, support half-height chassis. Small chassis, short chassis, HTPC chassis.