I bought the Corsair HX750 a couple of weeks ago, been happy so far. I think any of the ones you listed would be fine though.
ok thanks again dave, and if i can decide on which powersupply i want then i can go and buy it tomorrow
i wasnt suggesting you get the 550watt unit, just saying thats what i have. im sure the 750 silverstone uses similar components. that said, with my primary rig (i5-750@3.8ghz and ATI 5870) i can barely pull 500 watts from the wall running both furmark and prime95 at the same time. given the 20% inefficiency of the PSU, that means the system is only drawing about 400 watts from the PSU. THIS is the PSU i have in my primary rig. beware its not modular
This is my rig, CPU:i5 750 Motherboard: Gigabyte P55M-UD2 RAM:G.Skill DDR3 4GB (2x2) 1333MHz 9-9-9-24 Graphics Card: Nvidia Point of View GTX 470 TGT Ultra Tuned CPU Cooler: Corsair H70 Hard drive: Western digital 1TB Caviar Black Case: XCLIO 1000 So with that setup do you think the Corsair 750W modular PSU is a bit much? do you think i should maybe go for the 650W? Just a few notes, i would like to try again at overclocking my CPU also maybe it would be a good idea to get a PSU with more than i need for future upgrades?
Also another note, i think i would be better with a modular one because it will kep the wiring a lot tider which will the provide better airflow.
i think anywhere in the 650-750 range would more than keep you covered for that system plus any future upgrades you want to do to it. that would be enough to run SLI and quite a few more hard drives. we have very similar systems, down to the Xclio case (i have the blackhawk).
Out of those 3 I'd brobably go for the Corsair, if it's a liitle out of your budget then I can highly recommend the Antec truepower new 650, it gets better reviews than the truepower 750, even though it has 4 12v rails instead of of one big one it's has been rock solid and very reliable. Saying that the I think the Corsair is the better option.
Ok guys iv just bought the Corsair 750W and im now up and running again, thank god nothing else had blown with the psu. For now i think im just going to stick at stock speeds unless someone can give me some almost "perfect" bios settings for a 4GHz overclock.
you cant just plug in bios settings that someone else is using and have it work. even if that person has the exact same board and CPU as you, no two components are the same. why not just run it at 3.8ghz? you will never feel a performance difference between 3.8 and 4.0ghz in real world usage and 3.8 is very easy to hit with this chips. it seems to me that after 3.8ghz it takes exponentially more voltage to get even small amounts of frequency increases...and thus the heat really builds up. you will feel a performance difference between the stock clock and 3.8 however..
Bragging rights . Seriously though, leaving it at 3.8 GHz might be a good idea, if you know you can run at that - you've already got a dead psu, I'd hate to see anything else go up in smoke!
ouch just read the updates on this, think you were lucky to only blow the PSU, end of the day 3.8ghz stable is not bad...thing is some CPUs can go higher and some just cant...people with the same build can have varied results..seems that no two cpus are the same and react differently to overclocking.
You'll have plenty of performance for a few years with 3.8GHz, that's a full 15.2GHz of processor power at your disposal if the program uses it well. I can understand why you'd be worried but i don't think the overclocking would have strained your PSU enough to damage it if it was working properly in the first place, maybe 4GHz is something to try later when you feel more confident.
ok thanks guys, ill run it at 3.8GHz and maybe in the future like you said deders when im more confident ill go for the 4GHz
New update for you guys, i was bored before at about 9:15 so i thought i would have another go at overclocking from stock speed. When i was going for an overclock this time i couldnt resist but to go straight for 4GHz. I set all my bios settings and booted into windows and started running prime 95 Small FFTs 4 torture tests at roughly 9:15. So far prime 95 has not found any errors so im happy that i have finally got 4GHz. and Another good thing is i didnt tweak any voltages iv just got them all on auto . I may try to push it a bit further, what do you guys think. Also im going to save my 4GHz settings
Dam i think iv just jinxed myself, just after i posted this prime 95 has given me a FATAL ERROR: Rounding was 0.5, expected less than 0.4. What does that mean?
it means your cpu made a miscalculation, ie: its unstable. youll need to give it more vcore or back down the frequency.
