PC still restarting after adding a new gpu

[AdammmmB]

(MY PC IS AROUND 6-7 MONTHS OLD) so i added a msi gtx 970 to my pc a week ago and have been getting pc restarts whilst gaming and sometimes loading up a game. i have a i5-4690k, msi z97 gaming 3 mobo, corsair VS550 psu, 1x 8GB Hyper X Fury Black RAM, 1TB HDD.
Since adding the gpu my pc will randomly restart on games. I have tried updating to the newest drivers and also rerolling back and still restarts. My gpu and cpu fans are running and the temps when i tested where average. I downloaded MSI Afterburner app to check my temps and the gpu is using 9% power just using google chrome, and 40 degrees Celsius idle and my cpu is at ~30 degrees Celsius.
The only critical error showing in the event viewer is (kernel power windows 10)
I have read online that the Corsair VS550 is not the best psu for gaming. I dont want this to be down to the fact of a faulty gpu as i have had it a week (got it for xmas) and its annoying to send parcels back. If anyone knows of any fixes or issues, please help me

 

[tiny voices]

Sounds like a bad PSU. Replace the VS550 with a quality unit. You want Antec, XFX, Seasonic, EVGA (G2,B2,GS)

This is the first step.

 

[AdammmmB]

Sounds like a bad PSU. Replace the VS550 with a quality unit. You want Antec, XFX, Seasonic, EVGA (G2,B2,GS)

This is the first step.

would this still be the case as the psu is only early 7 months old, is the VS550 a bad one for a gtx 970
This issue as only come about since adding my new gpu

 

[tiny voices]

Yes that all sounds exactly like a bad PSU. The VS550 is a poor quality PSU. The GPU uses ALOT of power (more than anything else in the system) so if the PSU is bad, it makes alot of sense that it would start failing once you add a GPU.

Replace the PSU.

 

[AdammmmB]

Yes that all sounds exactly like a bad PSU. The VS550 is a poor quality PSU. The GPU uses ALOT of power (more than anything else in the system) so if the PSU is bad, it makes alot of sense that it would start failing once you add a GPU.

Replace the PSU.

so since adding the gpu its adding stress to the psu even tho on pc part picker there was no compat issues. hmmm

is Corsair CX750 a good psu for a gtx 970?

 

[tiny voices]

No the CX750 is also a poor quality PSU. Avoid the Corsair VS and Cx lines.

550w is plenty of power for your system, but that low quality PSU cannot actually do 550w.

 

[AdammmmB]

No the CX750 is also a poor quality PSU. Avoid the Corsair VS and Cx lines.

550w is plenty of power for your system, but that low quality PSU cannot actually do 550w.

my friend runs his gigabyte gpu on a cx750 with no issues but im not sure.

should i go for a Antec True Power 650W 80 Plus Gold Power Supply Unit

 

[tiny voices]

The CX750 is not a good quality PSU. sure it works for people but that does not make it quality. Do not buy it.

That antec is a very good unit. Get that!