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
High Compatible PCIe 3.0 16/16X Extension Graphics Cable Cord Degree Express Riser Extender for GTX HD RX Series Graphics Card - AliExpress
Corsair Premium PCIe x16 3.0 Extension Riser Cable 300mm - Black - Micro Center
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