It's possible to overclock, but you will be hard limited to the 75W provided through the motherboard so you're unlikely to get that much out of it. If you want to overclock a little more heavily, then I'd consider getting a card with a 6-pin power connector. Also, if you haven't already, I'd look at the RX 470, as it's ~50% faster than a 1050 ti for 15-20% more money.