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I don't understand your issue; why not solder wires directly to the USB connector?
You need to CUT 5V USB POWER for use another power source. You seem to have no knowledge to electronic but you can't have a 5.0001V from the the industrial power supply and a second power source of 4.9-5.2V from the computer hub or another source.
You can't remove this pin and solder a cable without destroy the usb connector. Solder a cable this way on this type of pad can remove copper from the PCB.
That's a strong wire copper pad and can be added everywhere on the pcb : https://www.protoexpress.com/wp-content/uploads/2021/08/pad-design-articlefix1.png
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Then I still don't understand what you are 'keeping' when upgrading to a new stick. You'll still be 'throwing away' (that's your words, I would never throw such a stick away - easily sellable online) the whole stick, right? You would just keep the 5V power supply, just like is the case now (people using GekkoScience hub for many generations).
You see what is a pod ? A full computer... You say me that's better to trash the whole computer and take a new one than just exchange the graphic card (= asic = usb miner)
You have power supply+usb cable/connector+fan+radiator/water block/pump/tank/wires that's for align correctly the usb miner with your cooling solution but you can look L mainboard vrm cooling may be you will understand better than you don't have a L hub for use this type of cooling it's for example not what I want to use..).
Tomorrow you have 1 PH at 15W and what you want to do with a X GH stick just good for trash ?
Miner at MH worth nothing and are useless take too much power for not enough power it's worthless but yes you can resell all if you find a buyer. You can sell 1$ to 100$ if someone accept to pay 100$ for 1$
