Whenever we work on multiple systems, we prefer sending files over the connection. After all being on the same LAN connection makes our work easier, file transfer is what makes our tasks difficult.
If you want to get your Mac to have high and reliable file transfer speeds, over a network, you're best off switching from Wi-Fi to wired networking. Here's all the information you need about things ...
Cat 8 is overkill for most, but if you want the best of the best in terms of shielding and performance, it's as good as it gets. This particular gold-plated version comes in sizes from 1.5 to 150 feet ...