Buying a new gpu, will the PSU do?

ran.burdo

Prominent
Sep 20, 2017
19
0
510
I'm buying a Gigabyte Gtx 770 this week and I need to make sure my PSU will be enough for it.

My pc components:
Motherboard - GA-Z68P-DS3
Cpu - Intel i5 2400 @ 3.1Ghz
HDD - Samsung HD502IJ
PSU - Thermaltake LP-600AL2NH

I'm buying the GPU off-hand so I would like to check the GPU on my pc (seller is living close to me), so I want to make sure I can install the GPU and check it without my pc dying.