What is the difference between the PCIe lanes from the CPU and the ones from the motherboard? Is there a performance difference? - Quora
![pci express - Does "64 PCIe lanes" for a CPU mean 4 devices at full PCIe 16- lane bandwidth? - Super User pci express - Does "64 PCIe lanes" for a CPU mean 4 devices at full PCIe 16- lane bandwidth? - Super User](https://i.stack.imgur.com/9RsU4.jpg)
pci express - Does "64 PCIe lanes" for a CPU mean 4 devices at full PCIe 16- lane bandwidth? - Super User
![PCIe Gen4 Standards Margin-Assisted Outer-Layer Equalization for Cross-Lane Optimization in a 16GT/s PCIe Link | 2018-11-09 | Signal Integrity Journal PCIe Gen4 Standards Margin-Assisted Outer-Layer Equalization for Cross-Lane Optimization in a 16GT/s PCIe Link | 2018-11-09 | Signal Integrity Journal](https://www.signalintegrityjournal.com/ext/resources/article-images-2018/2018a/4039_thumb.jpg?1542222583)
PCIe Gen4 Standards Margin-Assisted Outer-Layer Equalization for Cross-Lane Optimization in a 16GT/s PCIe Link | 2018-11-09 | Signal Integrity Journal
![Opinion: Why Counting 'Platform' PCIe Lanes (and using it in Marketing) Is Absurd - The Intel Core i9-7980XE and Core i9-7960X CPU Review Part 1: Workstation Opinion: Why Counting 'Platform' PCIe Lanes (and using it in Marketing) Is Absurd - The Intel Core i9-7980XE and Core i9-7960X CPU Review Part 1: Workstation](https://images.anandtech.com/doci/11839/skl-x_pcie_lane_partitioning.png)