The iMac also becomes much more frugal thanks to the M1 chip.
M1 Mac: USB only 5 Gbit/s instead of 10 Gbit/s
It seems that external SSDs on an M1 only work with one USB lane, which limits the throughput to 5 Gbit/s.
M1 Macs do not support 40 Gbit/s USB4. Or do they?
The M1 Macs have USB4 ports. However, these are not yet suitable for 40 Gbit/s. Or are they?
M1 Macs $200 cheaper but with less RAM
Apple gives you the choice between an Intel or an M1 MacBook Pro and Mac mini.