![Tested: Cycles GPU Rendering with PCIe x1 Risers (and RTX Optix support) - Technical Support - Blender Artists Community Tested: Cycles GPU Rendering with PCIe x1 Risers (and RTX Optix support) - Technical Support - Blender Artists Community](https://media.blenderartists.org/uploads/default/original/4X/5/2/e/52e59288140f735f1e46539872a289fb7b872cfc.png)
Tested: Cycles GPU Rendering with PCIe x1 Risers (and RTX Optix support) - Technical Support - Blender Artists Community
![GPU running at x8 PCI-e instead of x16. GPU is seated in the 1st slot, tried seating in 2nd slot, then its running at 4x. Tried reinstalling drivers, tried adjusting some settings GPU running at x8 PCI-e instead of x16. GPU is seated in the 1st slot, tried seating in 2nd slot, then its running at 4x. Tried reinstalling drivers, tried adjusting some settings](https://i.redd.it/u7zmujyxb3881.png)
GPU running at x8 PCI-e instead of x16. GPU is seated in the 1st slot, tried seating in 2nd slot, then its running at 4x. Tried reinstalling drivers, tried adjusting some settings
![Amazon.com: ASUS Hyper M.2 X16 PCIe 4.0 X4 Expansion Card Supports 4 NVMe M.2 (2242/2260/2280/22110) up to 256Gbps for AMD 3rd Ryzen sTRX40, AM4 Socket and Intel VROC NVMe Raid : Electronics Amazon.com: ASUS Hyper M.2 X16 PCIe 4.0 X4 Expansion Card Supports 4 NVMe M.2 (2242/2260/2280/22110) up to 256Gbps for AMD 3rd Ryzen sTRX40, AM4 Socket and Intel VROC NVMe Raid : Electronics](https://m.media-amazon.com/images/I/61B1TiMFfSL.jpg)
Amazon.com: ASUS Hyper M.2 X16 PCIe 4.0 X4 Expansion Card Supports 4 NVMe M.2 (2242/2260/2280/22110) up to 256Gbps for AMD 3rd Ryzen sTRX40, AM4 Socket and Intel VROC NVMe Raid : Electronics
![PCIe 3.0 x8 vs. x16: Does It Impact GPU Performance? | GamersNexus - Gaming PC Builds & Hardware Benchmarks PCIe 3.0 x8 vs. x16: Does It Impact GPU Performance? | GamersNexus - Gaming PC Builds & Hardware Benchmarks](https://www.gamersnexus.net/images/media/2016/gpu/pcie-test/pcie-lanes-mordor-1440.png)