Help me choose a PSU

tinynja98 · Jul 24, 2015

Hello friends,

My 600W PSU broke recently and i need to buy a new one. While i was looking for a new PSU, i thought... why not buy one that is more powerful... that way i can upgrade my graphics card. But i am stuck and i do not know which power supply to choose.

My old PC hardware:
MB intel dx58so
i7 920 @2.67ghz
12 gB ram (3 dimms)
AMD Radeon HD 6970
1 Sandisk 240gb ssd
1 WD Black 7200rpm hdd
1 sd card reader + 4 usb ports
AcePower 600w PSU (like this one)

Hardware upgrade:
I would upgrade my hd 6970 cuz its very noisy to a gtx 780

Would a 600w power supply be enough or i would need to get a better PSU?

XiPH3R · Jul 24, 2015

tinynja98 :

the gtx 780 is preety old now. better buy the r9 390 or a gtx 970.
for the psu buy the corsair cs 750. its cheap and has ample wattage to support a gtx 970 sli and probably a r9 290/390 crossfire.
or better buy the rm 850 for future proofing

honkuimushi · Jul 24, 2015

Unless you're going to SLI or Crossfire, 600 should be plenty. I agree with the above recommendation in terms of video cards, but you should be able to do better than the CS series.

Check here http://www.tomshardware.com/forum/id-2547993/psu-tier-list.htm
Pick something off the tier 1 or 2 list and you should be able to decrease the chance of you PSU dying again. You should also be able to port it into your next build.

madchemist83 · Jul 25, 2015

Corsair cs and rm are tier 3. Inferior quality. http://www.amazon.com/dp/B006TVQTFE/?tag=pcpapi-20 get this one

IntelTurtleFan · Jul 25, 2015

Go with a EVGA GS 550W or 650W if you can. Else get a 750W B2 they are pretty cheap right now.

PCPartPicker part list / Price breakdown by merchant

Power Supply: EVGA 750W 80+ Bronze Certified Semi-Modular ATX Power Supply ($46.99 @ NCIX US)
Total: $46.99
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-07-25 00:08 EDT-0400

Manish Tewari · Jul 25, 2015

tinynja98 :

With your sys specs 550W would be enough, but 650 is recommended for ample headroom if you plan on expanding your rig

Refer for 650:

https://pcpartpicker.com/part/super-flower-power-supply-sf650f14mg

https://pcpartpicker.com/part/cooler-master-power-supply-rs650amaag1

Refer for 550:

https://pcpartpicker.com/part/seasonic-power-supply-ssr550rm

https://pcpartpicker.com/part/xfx-power-supply-p1550gts3x

As for GTX 780: XiPH3R have giving you some nice recommendation for r9 390 or a gtx 970, they will work well with your current system: +1 for that.

Having said that, if you have made up your mind to in the domain of GTX 780, i believe it will deliver just enough( much much over your 6970)

But GTX 970 will almost half power than 780 with 20-35 % performance gain in various games.

If all-out performance is the primary concern, however, there can only be one winner: r9 390 edges ahead where it matters, delivering smoother frame rates at higher resolutions

[Update] - Choose 650W if going for 780

- [there is head room included]

tinynja98 · Jul 25, 2015

Thanks you all for your answers!! You have all been very helpful!

I have opened a new thread concerning GPU volume levels. Feel free to answer there.

IntelTurtleFan · Jul 25, 2015

Keep all questions on one thread if you can.

tinynja98 · Jul 26, 2015

IntelTurtleFan :

I thought the purpose of a thread was to get answers on the question that was asked in the title and in the first post.

Personally, if i was looking for answers to my questions about GPU volume levels, i wouldnt go read a thread entitled "Help me choose a PSU". And i also think i will have more appropriate answers if i post a GPU question under the "Graphics Cards" category rather than the "Components" one.

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