Bus Speed - Thu, Aug 17, 2023
Speeds of various transports
Convention:
- Lowercase B always means a bit
- Uppercase B always means a byte
- Byte is defined as 8 bits.
Disk Drives
tbd
Ethernet
tbd
PCIe
Version | Transfer Rate (per lane) | x1 | x4 | x8 | x16 |
---|---|---|---|---|---|
1.0 | 2.5 GT/s | 0.25 GB/s | 1 GB/s | 2 GB/s | 4 GB/s |
2.0 | 5 GT/s | 0.5 GB/s | 1GB/s | 4GB/s | 8 GB/s |
3.0 | 8 GT/s | 0.985 GB/s | 3.938 GB/s | 7.877 GB/s | 15.754 GB/s |
4.0 | 16 GT/s | 1.969 GB/s | 7.877 GB/s | 15.754 GB/s | 31.508 GB/s |
5.0 | 32 GT/s | 3.938 GB/s | 15.754 GB/s | 31.508 GB/s | 63.015 GB/s |
6.0 | 64 GT/s | 7.563G B/s | 31.508 GB/s | 63.015 GB/s | 121 GB/s |
7.0* | 128 GT/s | 15.125GB/s | 63.015 GB/s | 121 GB/s | 242 GB/s |
* Stilling being worked on as of2023/08/17