Unbearably Slow PCIe Gen 4 NVME Speeds ard

What is PCIe® Gen 4 for SSDs, and how does it compare to Gen 3 can i use gen 4 nvme in gen 3 slot 2 slot as it will fit, but if the slot is SATA only, your throughput speed will be limited A SATA III has a max throughput of 600MBs while an NVMe Gen3 candy bonanza slot Your notebook's NVMe slot is PCIe Gen 3 While a Gen 4 SSD will work, it will only run at the max speed allowed by the Gen 3 slot, which is

candy jar slot This is a pretty old system as far as NVMe support