with [item=bulk-inserter], up to 480 items/sec with [item=stack-inserter,quality=legendary], up to 1920 items/sec 3.1 sec to switch trains 20 stack. USE 1-4 INSTEAD 50 stack. train per 16.66, 4.16 sec. can do nonstop trains 100 stack. train per 33.33, 8.33 sec. 2.77 sec to unload 200 stack. train per 66.66, 16.66 sec. 5.55 sec to unload