1-4 of 4 Answers
yes and no. I use whit 2 PSU, whit the stock and a corsair CX750M bought in BestBuy. I use the corsair for a gtx 1070. But do it only if you know what are you doing. In some sites sell an adapter for the PSU connector.
I would recommend:
Sorry, there was a problem. Please try again later.Not without changing the Case and Motherboard. Since Lenovo uses a propriety Pin set.
Sorry, there was a problem. Please try again later.The connectors are proprietary. So it's not so easy to do. It wouldn't be plug and play.
Sorry, there was a problem. Please try again later.This system comes with a 250 watt power supply that is not upgradable.
Sorry, there was a problem. Please try again later.


