Use a 10GB test file quarterly, not daily, to balance accuracy with data/SSD longevity.
If you need to test your real-world internet download performance, use a hosted test file from a reliable data center provider: Download Speed Test File 10gb
⚠️ Downloading 10GB will use a large portion of your data cap if you have one. It also generates high network activity. Make sure you're on an unmetered or unlimited connection before proceeding. Use a 10GB test file quarterly, not daily,