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Yes, a Pigeon is Faster for Data Transfer than Gigabit Fiber Internet
(www.tomshardware.com)
This is a most excellent place for technology news and articles.
With enough cables you could in theory transfer all of them at the same time. To max out the speed you could have each SSD be in a stack of 20 that plugs into a couple of pcie.
I'm pretty sure you can do it in 15 minutes with a well coordinated team and a lot of smart hardware, packaging and freight loading/unloading technology.