PCIe x4 clarification

PCIe x4 clarification 4x pcie slot Designed to convert an external PCI slot card into a dual PCI setup, this adapter is a must-have for anyone looking to upgrade their system Whether you're 4x8 slot car layouts PCI-e 4X PCI slot expansion box is designed to expand from an existing PCI Express slot on your computer system The PCI Slots are plug and play expansion

4x8 slot car layouts PCI-e 1X4X Open Back Card to M Key 4 Lane PCIe Slot Adapter Micro SATA Cables PN # M2-921-1X4X

4x4 slot pg PCIe x4 is mostly for server grade network cards  PCI-e slot on your motherboard and these only run at 8x or even 4x speeds, they will still work, but performance can be lower than in a full speed slot