[LTL_FTC]

There's a photo here showing 600GBps memory bandwidth so maybe they have doubled it:

https://www.servethehome.com/nvida-introduces-rtx-spark-an-a...

[ActorNightly]

600 is nvlink. Regular is 300.

M5 Max beats it, but for the price of an M5 Max, you are better off just getting a desktop with 2 3090s, which will be cheaper even at current prices.