| Version | Introduced |
Transfer rate (throughput, x1) |
Transfer rate (througput, x16) |
Line code |
|---|---|---|---|---|
| PCIe 1.0 | 2003 | 2.5 GT/s (250 MB/s) | 40 GT/s (4.0 GB/s) | 8b/10b |
| PCIe 2.0 | 2007 | 5.0 GT/s (500 MB/s) | 80 GT/s (8.0 GB/s) | 8b/10b |
| PCIe 3.0 | 2010 | 8.0 GT/s (984.6 MB/s) | 128 GT/s (15.75 GB/s) | 128b/130b |
| PCIe 4.0 | 2017 | 16.0 GT/s (1969 MB/s) | 256 GT/s (31.51 GB/s) | 128b/130b |
| PCIe 5.0 | 2019 | 32.0 GT/s (3938 MB/s) | 512 GT/s (63.02 GB/s) | 128b/130b |
Source: What Is PCIe Card? Everything You Need to Know About PCI Express Card
Take a look at Introduction to Linux Interrupts and CPU SMP Affinity. Controlling Core Assignments
ps aux |grep irq irqbalance cat /proc/interrupts
