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***Official Intel Haswell Thread***

all major high end psu's should be fine

corsair
xfx
seasonic ect

Yaha... Ma papa says life is like buyin CPU's, ya never know whatcha gonna git :)

5Ghz on a Asus Hero Rog with my Kraken X60 and I am sold :D

it sucks when you get a stinker tho
 
So whats the deal with Haswell and PSU's??. Why is everyone recommending the XFX PSU?

XFX asked them to? ;)
There is a relatively minor PSU compatibility issue with regards a low power state of Haswell chips and some PSUs may not be able to provide such low current and effectively switch off. There is a list of compatible PSUs on the OCUK components list and that includes a lot more manufacturers, including the like of NZXT, Seasonic and Corsair.
 
So whats the deal with Haswell and PSU's??. Why is everyone recommending the XFX PSU?

Some PSu's may not be able to supply the very low volts required for Haswell when it enters its new sleep states which uses a lot lower watts than Ivybridge.

Many PSU makers are coming out with lists of compatible PSU's that work without issues.

Another option is to disable these C6/C7 sleep states in the BIOS and thus avoid any issues altogether.

A quick Google shows a lot of results from PSU manufacturers as to what are compatible - http://www.google.co.uk/webhp?sourc...34,d.d2k&fp=33da72275e8cc792&biw=1920&bih=955
 
Read the description abit more carefully!!! This is not what Assria is saying at all.

not guaranteed I agree but states 4.8ghz and tested by their engineers :confused: .com

should say maybe 4.8ghz binned maybe not

they used all in one watercooler too,sorry this is first time ive read the spec they used
 
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It's done to intentionally cripple performance imo,a delidded one of these would do 5ghz,maybe more on air

That's sandy/ivybridge-e x79 territory,and Intel won't hinder sale of those
 
surely they could give the buyer the option of the internal heatsink left loose or stuck down:(

That could confuse noobs and result in damaged/dead chips. However I don't see it being an issue for the OEM ones tbh.


According to Intel there is a problem with using fluxless solder on the chips with the trigate transistors.

I have a hard time buying that TBH, if its correct then IB-E will effectively be completely useless. You see IB brought iGPU improvements and PCI-E 3.0 to the party in addition to its IPC advantage over SB, so it still had those to fall back on when it was discovered that its clock for clock advantage over SB due to its IPC was offset when overclocked by its degree for degree disadvantage. but 2011 doesn't use iGPU's and SB-E already has PCI-E 3.0, so if this is true and IB-E has a TIM attached IHS then its useless to anybody who doesn't want to run their enthusiast chip at stock speed.

Of course the is always the possibility they could use a superior TIM on IB-E and/or Haswell...
 
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