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Is a 500W PSU good enoiugh for an 3770K + 6870 Video card?

#1SourcesPosted 12/19/2013 7:22:39 AM
I have an E8400 but ordered a 3770k. Do I have to upgrade my PSU?

PSU that I have: http://www.newegg.com/Product/Product.aspx?Item=N82E16817371007
#2SnadadosPosted 12/19/2013 7:25:12 AM
Yeah, you should be fine.
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#3Sources(Topic Creator)Posted 12/19/2013 7:26:33 AM
Um, sorry. I made a mistake. I meant a 4770k. Typo.

Change anything?
#4ShubPosted 12/19/2013 7:28:38 AM
3770K or 4770K makes no difference, you'll be fine.
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#5thegreatsquarePosted 12/19/2013 8:41:57 AM(edited)
http://techreport.com/review/24897/the-big-haswell-psu-compatibility-list

For a few weeks now, we've known that Intel's Haswell processors feature a new sleep state that isn't compatible with all power supplies. Haswell's sleep power draw is substantially lower than that of previous generations, and it can trigger some PSUs' under-voltage protection and force a system reset.

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#6Sources(Topic Creator)Posted 12/19/2013 9:16:08 AM
Not sure if mine is on the list? Should I just hope it does or what?
#7FlareZeroPosted 12/19/2013 9:22:22 AM
I'm using a 500w for my 6870 and i3-2120.
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#8EStar999Posted 12/19/2013 9:38:03 AM
There isn't any sign that this PSU will work with Haswell (based on reviews and specs).
#9jonnyXPosted 12/19/2013 9:48:54 AM
I'm running a 4770k @4.3ghz with a Sapphire 7950 @ 1020/1375mhz on a 550W PSU. Been running this system for a about 3 weeks. No problems thus far.
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#10garyjpatersonPosted 12/19/2013 9:58:13 AM
500w will be fine, systems today tend to be fairly power efficient.

As for the fancy haswell sleep mode, im fairly sure if your psu doesnt support it you can just disable the sleep state in the bios and you will be good to go.
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