Data Transfers · Speed and advanced options
Will a big transfer slow down my Mac or my internet connection?
Short answer: It's designed to stay out of your way, and scheduled transfers wait while your Mac is under heavy load. A big upload can still fill your connection — set a Bandwidth limit, lower Parallel transfers, or schedule it overnight.
Storage Studio is built to stay out of your way, but a big upload can still use a lot of your connection. To keep things smooth:
- Set a Bandwidth limit so the transfer leaves room for calls and browsing.
- Lower Parallel transfers on a slow connection.
- Schedule big recurring jobs for the night.
When your Mac is under heavy load, Storage Studio holds back scheduled transfers and starts them once things settle, so your own work comes first.
Related: Limit bandwidth · Performance and battery