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A 70% efficient non-APFC supply will simply put, use more power than a 80-85% efficient APfc supply. The efficiency is in its ability to turn AC into DC with the waste being heat. APfc supplies generally work best at higher voltages - thats why at 230v in Europe they tend to have Max...
"APFC is actually less efficient and runs hotter. The circuitry that provides the correction requires power in itself, that "loss" of used power is lost as heat." - Half True, but inconsequential as the overall amount of power used (ie pulled from the wall) is (relatively speaking) much less...
Much more efficient, cooler and will generally provide cleaner power to the components/mobo - Will also take surges better. I would suggest/recommend it to anyone asking about PSU's
Suggesting something that won't have enough juice to run a high end video card and OC a little would be much worse advice than "spend whatever you can so you can get something that'll last.
Besides, a good sparkle/FSP 600w w/APfc runs about $100 and the OCZ 600 is $105 on Monarch.
Don't go cheap - otherwise you'll just run into the same problem a couple of years down the line. Get the best you can possibly afford - then you'll have something that'll last for the next few rounds of upgrades.
Go for 600-800w - I suggest the latest OCZ GameXtreme 600 or 700. Whatever you...
Yep - Noticed that AtiTool will control the voltages just fine. But I don't think he was trying to bash ATI, he just confirmed my observation that my (now dead :mad: ) OC'ed 7900GT was faster than I could easily get out of my (now RMA'ed) 1900xt.
Update:
RMA'ed the x1900xt last night. Used driver cleaner, re-installed and then even with everything at stock, it was still crashing games HL2, GRAW, COD2 and artifacting in GRAW. I'll try agian with another x1900xt. I'm just nervous about getting another 7900GT. The last one didn't last...
That's what I thought, but I didn't have much time to play around with it yet. Received it from trusty UPS at 7.30pm last night. Just as I installed it and started a few basic benches, my wife decided it was time to go into the early stages of labor so I had to spend most of the evening timing...
I had a 7900gt (very early model) - volt modded it to 1.55v on the GPU - It ran amazingly fast but lived a very short life - I should/could have backed off on the volts for the longer life.
I just received its' replacement, a Sapphire x1900xt. I can't say that I'm instantly happy. At stock...
Kryptonite - please let us know how it goes if you get it. I'm trying to decide between the TT and the OCZ. My current PcP&C 510 has left me spoiled but I have a feeling that when I add my new X1900xt (replacing a fizzled 7900gt) today I'm going to run into issues.
I had/have a very nice XFX 7900GT extreme - came clocked at 550/1630. With some minor volt modding (conductive ink) I had no problem running 671/1800 24/7. Until the card just died. :eek: At which point I started hearing about all the 7900GT failures :mad:.
So now my system which was...
NortHWizarD - What did you swap out for the Meanwell fan. Mine is incredibly noisy and I'd really like to change it out?
I installed my new Swiftech 5002-62 Pelt/Block last weekend. Temps are 3-5c idle, 18-20c gaming and 23-26c Dual Priming. Overall I'm very happy with the system.
Swiftech makes a nice Pelt kit - for about $350 you can get all you need. I have one on order now :) .
It's not as glamorous as Phase but it's available now - there's still no dates for the OCZ unit.