How can I check the NVME specs

Gen 3 1TB NVMe SSD for around $150-200 depending on the model This puts the price premium at about 30% between Gen 3 and Gen 4 NVMe slot

Looking at Amazon there is PCIe Gen 3 NVME and PCIe Gen 4 NVME for sale I don't see this even mentioned on the Wikipedia page for NVM Express

nvme slot vs m2 :CPU: AMD Ryzen 5 5600Motherboard: ASUS TUF GAMING B550-PLUSSSD: Kingston FURY Renegade PCIe NVMe SSD (installed on _1 slot,

nvme slot The huge difference you get with PCIe Gen 4 is that it doubles the data rate of PCIe Gen 3, so PCIe Gen 4 SSD is able to transfer data at