1080ti on a 600w bronze PSU?

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CartmanKusanagi

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Jan 3, 2014
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I've been considering upgrading to a 1080 ti from my 1070, but barely meeting the minimum 600w requirement is making me a bit iffy.

I currently have an i5 4570 (I'm aware that this may bottleneck the ti to an extent), 16gb DDR3 RAM, 2 SSDs, 1 HDD, and my PSU is an EVGA 600B. I don't plan on overclocking the GPU. Should I be fine, or would I be better off waiting for a xx70 Volta card and/or upgrading the PSU?
 
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ko888
System Power Supply Requirements for a single GeForce GTX 1080 Ti
• NVIDIA specifies a minimum of a 600 Watt or greater system power supply. (Minimum system power requirement based on a PC configured with an Intel Core i7 3.2GHz 130 Watt TDP processor.)
• the system power supply must also have a maximum combined +12 Volt continuous current rating of 37 Amps or greater
• the system power supply should also have at least one 75-Watt 6-pin and one 150-Watt 8-pin PCI Express supplementary power connectors. There are some non-reference design cards that require two 150-Watt 8-pin PCI Express supplementary power...
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coozie7

coozie7

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Jun 2, 2007
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If I'm reading it right your PSU is Tier 3: http://www.tomshardware.co.uk/forum/id-2547993/psu-tier-list.html

It'll be safe enough with a '1080Ti, but an upgrade would be preferable, not an URGENT requirement but preferable.

Some other points: What display/s are you using? A GTX1080Ti really wants a 2K 144Hz screen to really strut its stuff but wouldn't be too overpowered for a super fast 1080 screen if you're after maximum FPS at all times.

Maybe swapping the current CPU would be a better upgrade? There are still a few Haswell and Devils Canyon parts out there but they're getting more and more difficult to find, if the system is getting CPU limited maybe this would be a better option.
 
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Jim90

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Feb 3, 2013
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It's never good to be too close to your PSU max and this will also decrease its operating efficiency. I don't know the total wattage of your system but try out a few of the on line PDU wattage calculators - most of the main players have these e.g. Corsair. You might find that your system has plenty headroom left.
 
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ko888

ko888

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Feb 18, 2009
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System Power Supply Requirements for a single GeForce GTX 1080 Ti
• NVIDIA specifies a minimum of a 600 Watt or greater system power supply. (Minimum system power requirement based on a PC configured with an Intel Core i7 3.2GHz 130 Watt TDP processor.)
• the system power supply must also have a maximum combined +12 Volt continuous current rating of 37 Amps or greater
• the system power supply should also have at least one 75-Watt 6-pin and one 150-Watt 8-pin PCI Express supplementary power connectors. There are some non-reference design cards that require two 150-Watt 8-pin PCI Express supplementary power connectors (e.g. ASUS GTX 1080 Ti Strix OC 11 GB, Gigabyte AORUS GeForce GTX 1080 Ti Xtreme Edition 11G, MSI GTX 1080 Ti Gaming X 11 GB) per card.

Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Sufficient Total Combined Continuous Power/Current Available on the +12V Rail(s) is the most critical factor.

Overclocking of the CPU and/or GPU(s) may require an additional increase to the maximum combined +12 Volt continuous current ratings, recommended above, to meet the increase in power required for the overclock. The additional amount required will depend on the magnitude of the overclock being attempted.

EVGA 600B (100-B1-0600-KR)
• OEM: HEC
• maximum combined +12 Volt continuous current rating: 49 Amps <===== Way more than sufficient
• two 150-Watt (6+2)-pin PCI Express supplementary power connectors <===== Sufficient
• Ambient Temperature Maximum (i.e. without derating): 40°C
• Full /Semi-Modular Output Cables: No
• Passes Official Intel Haswell Compliance Test: No (+5V rail drops below spec.)
• 80 PLUS BRONZE Efficiency Certification
• Warranty: 3 Year Limited
 
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CartmanKusanagi

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Jan 3, 2014
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Thanks for the input, everyone. I have a 1440p 144hz G-SYNC monitor. I'd upgrade to an i7, but I wouldn't be using it to its potential since my motherboard doesn't support overclocking. Both the Outer Vision and PCPartPicker calculators say my load would be 452w, while the Newegg one gave me 688W. I'm not sure which one is more accurate.
 
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jankerson

jankerson

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Sep 10, 2006
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Would be best to replace the PSU, the EVGA 600B isn't really all that great of a unit and I wouldn't recommend it for high end systems.


A high quality 650W to 750W PSU like these is highly recommended.


Seasonic Focus Plus
Corsair RMX
EVGA G2 or G3


As an added note:

There is no way I would hook up a GTX 1080 or GTX 1080Ti to that EVGA 600B.
 
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