How To Add More PCIe Slots?

Recently I have been experimenting with splitting my last unused 8X PCI-E Slot in half Because I now have a 40 lane cpu and my two GPU's

Hey everyone! I have an ASRock X399 Taichi that supports PCIe bifurcation I am currently using 3 out of 4 slots, two dual slot

pcie slot splitter PCI-E 1x to 16x Riser Card PCI-Express 1 to 4 Slot PCIe Splitter 1 to 4 Adapter GPU Riser Card for BTC Bitcoin Miner Mining

pcie 8x slot Your motherboard has no M2 slots neither for NVMe nor for SATA SSD disks, right? What disk do you want to insert into PCIe splitter? mbk1969