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Is this power supply wattage calculator accurate?

5,621 519 January 17, 2018 at 02:16 PM
So I'm building a threadripper system. I plan on overclocking the 32 gigs of ddr4 ram to 3200, and the threadripper to 3.9ghz @ 1.35v and a rx vega 64 reference design. cpu will be cooled with a Enermax Liqtech TR4 280 AIO. This has me really worried since it's a 850w gold certified cpu. How accurate is this? Do I need 1000w??

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#2
What graphic cards do you have?
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#3
Quote from slapshot136
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What graphic cards do you have?
vega 64 reference


Here's a screenshot for the wattage calculator for my build.
****UPDATED****
http://img4.imagetitan.com/img.ph...tor(3).png
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#4
You don't "need" a 1000W PSU, but I would recommend one for such as system mainly to leave headroom for longevity & efficiency
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#5
Quote from slapshot136
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You don't "need" a 1000W PSU, but I would recommend one for such as system mainly to leave headroom for longevity & efficiency
My seasonic focus power supply has a turbo fan mode. Or whatever the hell it's called. Will this be sufficient if I'm running at 100% load 24/7?
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#6
Quote from gonepostl
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My seasonic focus power supply has a turbo fan mode. Or whatever the hell it's called. Will this be sufficient if I'm running at 100% load 24/7?
if it's the 850W one, I'd expect it to last 2-3 years with that sort of use & decent ambient temps (assuming it hasn't been beaten up too much before..)
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#7
Quote from slapshot136
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if it's the 850W one, I'd expect it to last 2-3 years with that sort of use & decent ambient temps (assuming it hasn't been beaten up too much before..)
Brand new. I'll make sure to keep it on turbo. might not oc the CPU and gpu.....
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#8
Quote from gonepostl
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Brand new. I'll make sure to keep it on turbo. might not oc the CPU and gpu.....
Are you really using 10 USB devices and 5 case fans?
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#9
Quote from Jabbit
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Are you really using 10 USB devices and 5 case fans?
No, I went a bit overboard with that. Just to overcompensate a bit.
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#10
See if you can find XbitLabs' power consumption measurements in the Google cache. The only other place I know of that took accurate measurements is SilentPCreview. Essentially both places said any system running just 1 video card topped out at 600W.

The CPU and video card(s) consume almost all the power, unless you're running loads of disk drives.

Most power supply estimators give numbers that are too high.

Can you plug the system into a Kill-A-Watt? The true power consumption of the computer will be about 80% - 90% of its AC power reading.
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