PSU compatible with new system?

hasim · Jul 6, 2016

Hello,

I recently decided to build a new system:

cpu - i5-6600K
gpu - MSI GTX-1070
mobo - Asus Z170-A
ram - G.SKILL 16gb DDR4 2133
SSD - Samsung 850 EVO 500gb

My question is this:

I am planning to use three components from my old system, which I built in October 2010: psu, case and cpu fan, which is less than a year old.

The PSU is what i wanted to ask about. I have this:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139006

I have been using this PSU since 2010. I always used it with a good surge protector. I never overclock and do not use more than one graphics card. My previous build was a i5-760 with a Radeon 5870. The point is, I never put too much pressure on this psu, I am sure of that. But, it is somewhat old...

So, the question is, am I taking a big risk by using this old psu that I have been using for almost 6 years? Should I get a new one? If so, what would you recommend?

Corsair is a good brand, and 750w is not shabby. So, what do you think?

If you guys say get a new PSU, I may also get a new case and cpu fan and keep my old system intact. Maybe I can sell it for a hundred dollars or give it to someone in need for free...

In that case, i would also be open to some case recommendations. Something as small as possible, and a panel on the side with decent airflow.

Thank you for your help!

Barty1884 · Jul 6, 2016

Can you post the full model of your PSU (from the label on the side). The TX lineup had a few variants, of differing quality.

CMPSU-TXV2 is made by SeaSonic, a quality unit & would still be ok to use.

The other models are mostly ok but:
CMPSU-750TX is from CWT, but is only an 80+ rating, no bronze/silver/gold classification.
CMPSU-750TX-C, also CWT, but doesn't even have 80+ certification

Now, the efficiency rating isn't exactly the "be all, end all", but it's a consideration.

I would suggest, even though you (may) have a quality PSU still, investing $X amount into your new rig, a new PSU looks like a smart move regardless.

Are you planning to use a GPU in your new rig? If so, which one? That'll help with recommendations for a new PSU.

ubercake · Jul 6, 2016

Would I do it? No. It's out of the 5-year warranty period. The PSU is one thing I will not take chances with. I'd say get a new one:
http://www.tomshardware.com/reviews/best-psus,4229.html

One I'd have on my radar is the EVGA Supernova P2 650W with the 10-year warranty. That would power any single GPU system no problem and is 80-plus platinum rated at around $100.

MarkW · Jul 6, 2016

Most power supplies have a lifespan of about 5 years. Nearly all have died by 7 years. Is it really worth taking the chance on your new system by using a 5 year old PSU? My answer would be no.

Also, after 5 years of use, the PSU is very unlikely to be able to push the wattage that it could push when it was new.

hasim · Jul 6, 2016

Thank you for your answers.

@Barty1884: I cannot post the full model beyond the link I posted since I am at work. But thank you.

But, it sounds like, consensus seems to be that getting a new PSU is the smart move here, given that mine will be 6 years old in 3 months.

I guess, in this case, I should also get a new case and cpu fan and keep my current system intact so that someone else can get some value out of it. What do you think?

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