Raspberry Pi CM4 does 2.5 Gigabit Ethernet!

The CM4 goes beyond 1 Gigabit with WiFi 6. But can it do 2.5 Gbps Ethernet?

I'll explore that question using the Rosewill RC20001 PCIe card, and test how fast it can go on my new baby 10 Gbps home network!

Support me on Patreon: https://www.patreon.com/geerlingguy
Sponsor me on GitHub: https://github.com/sponsors/geerlingguy

Products I used (affiliate links):

- Rosewill RC-20001 PCIe 2.5 Gbps Network Adapter: https://amzn.to/2Ju4KyM
- MikroTik 1+4-port SFP+ 10 Gbps switch: https://amzn.to/3806lG9
- MikroTik S+RJ10 RJ-45 Transciever: https://amzn.to/3n4kyGl
- OWC Thunderbolt 3 10G Ethernet Adapter: https://amzn.to/3aLwWZb

Mentioned in this episode:

- Blog post for this video: https://www.jeffgeerling.com/blog/2020/testing-25-gbps-ethernet-on-raspberry-pi-cm4
- Raspberry Pi PCIe Database: https://pipci.jeffgeerling.com
- Raspberry Pi Internal Ethernet MTU 9000 blog post: https://www.jeffgeerling.com/blog/2020/setting-9000-mtu-jumbo-frames-on-raspberry-pi-os
- AvE's BOLTR video describing magic smoke: https://youtu.be/x0UGErQDKPw?t=63
- WiFi 6 on the Raspberry Pi CM4: https://www.youtube.com/watch?v=csI19aOJEik

#RaspberryPi #ComputeModule4

Contents:

00:00 - Bumps in the Road
01:23 - Testing the Hardware
02:22 - Getting a driver
03:18 - It works!
03:47 - Benchmarking defaults
04:38 - Benchmarking with 9000 MTU
06:01 - Benchmarking with overclock
07:03 - Bidirectional and UDP tests
08:05 - Final Thoughts and Bloopers