This is great news. As an academic, I'm aware of multiple labs that built boxes with 4090s, not realizing that Nvidia had impaired P2P communication among cards. It's one of the reasons I didn't buy 4090s, despite them being much more affordable for my work. It isn't nvlink, but Nvidia has mostly gotten rid of that except for their highest end cards. It is better than nothing.<p>Late last year, I got quotes for machines with four nvlink H100s, but the lead time for delivery was 13 months. I could get the non-nvlink ones in just four months. For now, I've gone with four L40S cards to hold my lab over but supply chain issues and gigantic price increases are making it very hard for my lab to do it's work. That's not nearly enough to support 6 PhD students and a bunch of undergrads.<p>Things were a lot easier when I could just build machines with two GPUs each with Nvlink for $5K each and give one to each student to put under their desks, which is what I did back in 2015-2018 at my old university.