what can you do with a PCI Express x4 slot?

x4 slot   Dan x4 slot

1) First is simply looking at the motherboard, many times printed on the PCB near the PCIE slot is the actual X4 or X16 or whatever it happens

PCIe x16 is what your GPU should be using but you are only getting x4 which means it is operating at a quarter of it's possible bandwidth  x4 NVMe Support Rated Maximum Sequential Read 3500 MBps Rated Maximum Sequential Write 3000 MBps Terabytes Written Rating 440 TBW Warranty Length 5

double salary 1 year slot PCIe x4 speed vs x8 speed vs x16 speed Tested with rtx 3060 ti  PCIe Gen4 x4 Slot to SFF-8644 Passive Adapter Part #:, PCI-AD-x444-04-G4 Description: Gen4 PCIe x4 slot – SFF-8644 Passive Adapter Minimum Quantity: 1 List