The XFX power supply on the XFX website is their bronze series model, which does include x4 PCI-E 6 + 2 pin connectors.
XFX TS 650 Bronze - Cabling
Type of Cable
Fixed Cables
x1 ATX 20+4 pin connector
x1 EPS 8 pin connector
x1 ATX 4+4 pin connector
x4 PCI-E 6+2 pin