x4 PCI Express to PCIe SSD Adapter

My laptop has a gen 3 slot First of all, I know that a PCIe 4 SSD NVMe will be running at gen 3 speeds and bottlenecked by the PCIe 3 slot But

SSD (installed on _1 slot, supports Surface Laptop Go 3 · Microsoft Copilot · AI in Windows · Explore Microsoft products · Windows 11 apps

pcieslot 2 drives support PCI Express x4 , working alongside a technology called Non-Volatile Memory Express The idea behind NVMe is

pcie slot sizes Memory Slots 8 · 6 · 4 · 2 Graphics Interface PCIe · PCIe · PCIe PCIe x 16 Slots 7 · 6 · 5 · 4 · 3 · 2 · 1 SSD Slots 5 x · 4 x