LIAN LI LAN2-1X Premium PCI-E x16 3.0 Black Extender Riser Cable 200mm and Covert Bracket for LANCOOL II / LANCOOL 2 / LANCOOL TWO ---LAN2-1X - Newegg.com
Phanteks PH-CBRS_FL15 150mm Flat Line PCI-E x16 Riser Cable 90o Adapter for the Enthoo 719 - Newegg.com
Mini PCI Express PCI-e 52-pin Card Extender Extension Flexible Cable Test Tools | eBay