Athena Power 100mm/3.94" CABLE-PCIE16A1-L10V2 90-Degree Left Angle Flexible GPU Server / Gaming PCI-E x16 to x16 3.0 Extender Riser Cable Female to Male - Newegg.com
Amazon.com: Thermaltake TT Gaming PCI-E x16 3.0 Black Extender Riser Cable 200mm AC-053-CN1OTN-C1, Support both AMD and Intel motherboard : Electronics
Gaming PCI-E 3.0 X16 Riser Cable
Athena Power 100mm/3.94" CABLE-PCIE16A1-R10V2 90-Degree Right Angle Flexible GPU Server / Gaming PCI-E x16 to x16 3.0 Extender Riser Cable Female to Male - Newegg.com
Thermaltake Gaming PCI-e 3.0 x16 Riser Cable Black AC-053-CN1OTN-C1 - Best Buy