After removing the VL805 QFN package and soldering in the bridge PCB, [Zak] confirmed that everything was hooked up properly and attempted to use the Raspberry Pi 4 with a PCIe extender.
a modular enclosure system for the Raspberry Pi 4, is designed to turn it into practical computing box. The basic enclosure is a 92 mm x 92 mm x 26 mm 3D printed frame with a custom PCB top cover.