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by walrus01 52 days ago
10GbE can be extremely cheap now if you're doing things like buying Intel NICs off eBay to put into your own test/dev headless servers.

There is also a glut of 40 Gbps stuff on the market because it's a dead end technology and most ISPs went straight to 100 for things like aggregation switch to router links. Not that I would encourage anyone to go whole hog on 40 Gbps just because, but if you can get a transceiver for $15, NICs for $30, and maybe you get a switch for free from electronics recycling or for 80 bucks, and can tolerate its noise and heat output...

I have seen plenty of people throw decommissioned 40 Gbps stuff straight into electronics recycling bins.

Mellanox ConnectX-3 40 Gbps QSFP NICs are literally 20 bucks on ebay.