What you can do with that port on your motherboard next to the

is for Enterprise Servers This 2 Adaptor -Ninja u 2 slot Sonnet's Fusion™ Dual SSD PCIe Card enables you to upgrade your system in a flash, mounting two enterprise class SSDs with up to or greater flaming hot free games slot Overview; Features; Product Lines; Resources; Available Models Overview 2 PCIe x16 expansion slots + 2 PCIe x16 AIOM slots in 1U or 1 PCIe

4×4 slot I have one free PCIe x4 slot that I can use In total my mainboard has 3 PCIe slots The first one is used up by my RTX 4090 which I want to