What would be a safe frequency to run these miners if your using a usb 3 port with passive cooling? Trying to figure out how much i can push these sticks before i need external cooling....
419Mining, LLC states in all sales that active cooling is recommended even at stock speeds.
Bear in mind, a simple desk fan can be considered active cooling, most people even use something as simple as this USB fan:
https://www.ebay.com/itm/254154810314.