Question I have a prebuilt system with a Bad PSU and I need a graphics card

Nov 6, 2018
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My friend an HP Pavilion (HP Pavilion 590-p0006np Desktop PC) with a GT 1030 GPU, we wants to upgrade it. I was thinking of an GTX 1050 or GTX 1050 TI but this PC has an [bad] PSU.
Can you help me to pick a GPU or there is no better GPU than the GT 1030 for this system?

The specs are

I5 8400
Lincs Motherboard
GT 1030
8GB Ram
180 W SFF (Gold) 12 V Output PSU

Thank you for helping me and my friend