PCIe PCI Express
The high-speed bus that GPUs, NVMe SSDs and network cards plug into on the motherboard.
Versions: PCIe 3.0 (old), 4.0 (common), 5.0 (new). Lanes: x1, x4, x8, x16 — more lanes = more bandwidth. PCIe 5.0 x16 = ~64 GB/s.
The high-speed bus that GPUs, NVMe SSDs and network cards plug into on the motherboard.
Versions: PCIe 3.0 (old), 4.0 (common), 5.0 (new). Lanes: x1, x4, x8, x16 — more lanes = more bandwidth. PCIe 5.0 x16 = ~64 GB/s.