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***Official Intel Haswell Thread***

Damn lucky you told me to look for that!...it looks like a resistor? is missing :eek:....

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Poor show OC :(

The last time I bought an OEM CPU from OcUK it was damaged, tried to RMA and they accused me of causing the damage. This was a few years ago and I have only just recently started to use them again. The customer service has improved a lot lately so hopefully you won't have a problem.
 
The last time I bought an OEM CPU from OcUK it was damaged, tried to RMA and they accused me of causing the damage. This was a few years ago and I have only just recently started to use them again. The customer service has improved a lot lately so hopefully you won't have a problem.

Well if they try and pull that one on me ill have problems getting Trading Standards on to them...but im sure it wont come to that
 
All installed and setup this afternoon spent this evening tweaking things up.
At 4.8 Im hitting temps of 72 on OCCT test with 1.24 Volts stable. After two hours.

But heres where it gets interesting 4.5GHz at 1.15 at 59. I appear to have lucked in on a great chip here. I'm happy to lose that 300mhz to get core volts running at par to the stock standard. This seems to sit inline with most of the tech site reviews too 4.5 being the sweet spot with trouble starting not too long after.

As for clock for clock this is licking my old 920 at everything, including games.
 
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Not bad, what about voltage and what stress test was used?

1.2V and aida64

Also very happy with my current setup. 4670K at 4.4ghz and a +140mhz overclock on a 780 is giving me very smooth gameplay in everything I've thrown at it yet. My Q9650 was bottlenecking the 780 so much.
 
Damn what cooler are you using to get temps so low (for Haswell)

Just a h100 with push pull fans setup, nothing fancy. What I've read about haswell seems to be ringing true, for me at least. 4.5 no sweat start going over demand and heat shoots up from there. Will run the 4.8 over night but 4.5 is a nice default. I was thinking more about long term mileage but given how few volts are actually being put through it while I browse etc that might be such a worry.

From what I've seen playing around today I think 5ghz will be a problem.
 
I don't see the point in buyng an OEM chip for so little less. Warranty is one thing...

Even though most people will never use it, the retail boxes heatsink fan is a nice back up should something ever happen to your aftermarket cooler. That's all the incentive I need.
 
Any issues with OcUKs service, or products, please remember to contact ourselves as soon as possible! So we can resolve your issues as soon as possible!
 
Hi guys I built my 4770k rig with a Gigabyte Z87-D3HP motherboard and the Be Quiet! Shadow Rock Pro SR1 cooler that Overclockers bundled, and I've been running Prime95 for nearly an hour with Core Temp now reporting temps in the high 80s to mid 90s. This is running at stock so seems really high - do you think I should re-seat the heat sink? This is in a Fractal R4 with two case fans, one at the front and one at the back. The fans don't seem to be running particularly fast or loud and they are connected to the motherboard rather than the fan controller.

Any advice would be appreciated!
 
Those temps do seem too high for stock clocks and using an aftermarket cooler. The R4 isn't the best air cooling case but nevertheless those temps seem a bit off. I would try reseating it. Check in BIOS to see what speed fans are running at (including the CPU fan) and just make sure their installed the correct way so airflow is from front to back.
 
Hi guys I built my 4770k rig with a Gigabyte Z87-D3HP motherboard and the Be Quiet! Shadow Rock Pro SR1 cooler that Overclockers bundled, and I've been running Prime95 for nearly an hour with Core Temp now reporting temps in the high 80s to mid 90s. This is running at stock so seems really high - do you think I should re-seat the heat sink? This is in a Fractal R4 with two case fans, one at the front and one at the back. The fans don't seem to be running particularly fast or loud and they are connected to the motherboard rather than the fan controller.

Any advice would be appreciated!

how tight did you go? I tightened mine up slowly going around to each screw giving it a few turns and then onto the next so the pressure applied was as even as possible all the way around.

I did this until the screws started to feel difficult to turn and then I turned them slightly more until the heatsink seemed to be tight enough that it would never move and i could pick the motherboard up by the heatsink with everything feeling really solid.


When you apply your paste because you can not rotate the heatsink 30 degrees each way to spread it you need to use half as much as you normally would say a 2-3mm grain of rice spread it into a 10p sized circle gently with your finger and then put another 2mm of paste in the middle of that cirtcle but let the heatsink flatten it.

I'm getting 27-30c when browsing the net and around 49-52c 100% load on all cores thats with a 4670k though! but at gigabytes auto overclock 4.3ghz settings that used a stupid 1.35 vcore I was getting 60-65c full load
 
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