with [item=bulk-inserter], up to 240 items/sec with [item=stack-inserter,quality=legendary], up to 960 items/sec 3.1 sec to switch trains 20 stack. train per 13.33, 3.33 sec. can do nonstop trains 50 stack. train per 33.33, 8.33 sec. 1.39 sec to unload 100 stack. train per 66.66, 16.66 sec. 2.77 sec to unload 200 stack. train per 133.33, 33.33 sec. 5.55 sec to unload