System powerdraw
The amount of bad advice given in this thread is astonishing. This is why you should ask for PSU advice on the PSU forum and not the General forum.
1 hour ago, Supportsneedlove said:Hi the system I'll be making will have
Xeon x3440 @ 4GHz
16 GB DDR3
500 GB Harddrive
250 GB SSD
Case lighting
and 2 fans.
It's currently got a 400 watt PSU so I wanna know if it could run with a 1060 before I invest in that instead of 970 or 780 ti.
The x3440 is what, 2.6ghz stock? Runs a pretty high tdp as well. Assuming you're running a high voltage to get that 4ghz clock speed on that CPU, with my very rough guestimate you could be looking at up to maybe 200-220w at around 1.4v.
As mentioned the 1060 is a 120w card, but if you unlock power limits and voltage control you could maybe push that to 150w.
Cooling fans, lighting, HDDs, SSDs all use relatively little power, let's say 30w in total.
Grand total of 400w (and that's assuming stupid high voltage on the CPU and over estimating other things)
Problem is the cx400 unit you have isn't very good. I wouldn't use it at all, let alone with a CPU overclock like that. If you have a cx550m available to use as you mentioned then you should use that. It's a much better quality power supply than the older cx400.
57 minutes ago, immaguy1234 said:idk how accurate this is, but if you need a 700w, then this is a great 1000w PSU (a bit overkill)
https://www.amazon.com/EVGA-SuperNOVA-Crossfire-Warranty-120-G2-1000-XR/dp/B00CGYCNG2
1000w, or even 700w, is not necessary for a single graphics card system. Please stop giving awful advice to someone who is asking for help.

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