Can my PSU handle GTX50TI in SLI?

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NickDLH

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Dec 26, 2011
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Hey,

I just ordered a new PC, and i was wondering if maybe my system will be able to run 2 MSI GTX560TI twinforzer in SLI?
For now i think one GTX560TI will suffice but maybe in the future it would be nice to add a second one.

My system:

Intel i5-2500K
Cooler Master Hyper 612S
MSI Z68A-G45 (B3)
Corsair 8 GB DDR3-1600 Kit
MSI N560GTX-Ti Twin Frozr II/OC
Western Digital 500GB Caviar Blue
Corsair 60GB SSD (CSSD-F60GB3A-BK)
Samsung SH-222AB
SilverStone 600W PSU ST60F-ES
Sharkoon T9 Value green edition
Windows 7 HP 64bit

Also feel free to say what you think of my configuration! (but don't completely tear it apart cause i have already ordered it and would feel bad XD)
 
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Silvune

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http://www.hardocp.com/article/2011/02/21/msi_n560gtx_ti_twin_frozr_ii_oc_sli_review/9
Shows a system (i7-920 OC'd and a PC Power & Cooling Turbo-Cool 1200W) with two MSI N560GTX-Ti Twin Frozr II/OC cards drawing 628W from the wall under BFBC2. Take 10-20% off that to get an idea of what their system actually drew: ~566W is a worst case.
You could probably take ~50W off to account for a stock i5-2500K.

http://www.techpowerup.com/reviews/MSI/GTX_560_Twin_Frozr_II_OC/25.html
Shows that MSI card drawing 228W by itself under Furmark load. 456W plus the rest of your system, I think would broadly agree with the HardOCP numbers.

http://www.tomshardware.com/reviews/geforce-gtx-560-ti-roundup-asus-engtx560-graphics-card-overclocking,2858-20.html
Shows a system with one MSI GTX 560 Ti and i7-2600K drawing 310W under Furmark at the wall, add 228W and it agrees with my previous estimations.

The ST60F-ES has a +12V rating of 42A (504W). So you would be placing your PSU under a 100% load when/if playing BFBC2 or something which places a similar load on your system.

Maybe if your PSU was top notch quality, which I don't think it is tbh, then I would say yes you can use that PSU and add a second GTX 560 Ti.
Silverstone don't make PSUs; the OEM of that unit is Sirtec and they have not produced a unit which could be called top notch. Yes they produce some solid budget units, but not more than that.

So all in all I think the PSU is the only major weaklink in your system, but only in the context of wanting to add another graphics card.
 
RealBeast

RealBeast

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Sep 13, 2010
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Gotta disagree, that Silverstone model is fine and got an overclock3D recommended, not the best but a good unit.

Sure, I buy $500 1kW PSUs, but that really is not necessary and his will easily handle that load.

I've done close to 1000 builds and I am confident that his Silverstone will easily handle that load.
 
mad-dog

mad-dog

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what he said ^^^^^^, the moral of the stoory is that you DON'T want to run the PSU @ 100% load, in a perfect world you want 20% headroom to account for voltage spikes and it allows the PSU to run cooler as it's ony running @ 80% capacity. It never hurts to run a larger PSU, it will only pass as much current as the load asks for. when you run a PSU @ 100% load it is very inefficient and creates lot's of heat, it also runs up the power bill, i like a PSU that's 50% larger then required so the PSU runs cool @ 50% load and is very efficient also
 
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Silvune

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That is not the same model. The one you linked has four 12V rails, the Silverstone Strider Essential 600W only has one. The one you linked has a 50C temp rating, the ST60F-ES is rated at 40C. The one in that link is 150x86x180mm in size, the ST60F-ES is 150x86x140mm.
Finally the OC3D.net PSU reviews weren't really worth reading until 2009.
 
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NickDLH

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So the way i understand it, my current psu is just fine for my current build but not for a second gtx560ti. This is no problem for me since one gtx560ti is, in my opinion, a very good performing card. Two more questions, what psu would you recommand for a dual gtx560ti (under €100) and is my motherboard really good enough for sli? Anyway thanks your feedback.
 
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Silvune

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Yes it's fine for almost any single card, but not two GTX 560 Tis.

If you could provide a website (the store that you used to buy the components you are currently using?) that represents what units are available to you and what prices they are then I could make a recommendation for a unit that would have no problems powering a build with two GTX 560 Tis.
 
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NickDLH

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Dec 26, 2011
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The site is www.alternate.nl it is dutch so you might have a problem with it, but you can always use auto translate.
 
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NickDLH

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I found a site where someone said that my current silverstone psu is pretty much the same as this one: High Power HP-600-G14S, is that a good psu. I ask this because i wad under the impression that the psu i bought was a good psu, not great, but reliable. Since you know more about it then i do, maybe you can tell me more about it.
 
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Silvune

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Those two units do share the same Ecos ID number (636) so yes it seems like they are basically the same unit. If you want to know more about this topic read this:
http://www.hardwaresecrets.com/article/How-to-Discover-Your-Power-Supply-Real-Manufacturer/370

I haven't found anything about it yet, but I am fairly tired.
Yes the Silverstone unit you have is likely to be reliable.

Edit: found this:
http://www.jonnyguru.com/forums/archive/index.php/t-7795.html
Which says that the ModXStream Pro 600W is also based on the High Power HP-600-G14S.
Reviews for the ModXStream Pro 600W:
http://www.hardwaresecrets.com/article/936
http://www.pcper.com/article.php?aid=644

Here are some of the ones priced between €50 and €100 that I would use for a system with two GTX 560 Tis:
XFX 650W XXX Edition 80Plus Bronze Modular €88
http://www.alternate.nl/html/product/Voedingen_meer_dan_600_Watt/XFX/650W_XXX_Edition/534952/?tn=HARDWARE&l1=Voedingen&l2=meer+dan+600+Watt

XFX Pro 850W Core Edition 80Plus bronze €98
http://www.alternate.nl/html/product/Voedingen_meer_dan_600_Watt/XFX/PRO850W_Core_Edition/478657/?tn=HARDWARE&l1=Voedingen&l2=meer+dan+600+Watt

Thermaltake Toughpower XT 675W 80Plus Bronze Modular €90
http://www.alternate.nl/html/product/Voedingen_meer_dan_600_Watt/Thermaltake/Toughpower_XT_675W/420765/?tn=HARDWARE&l1=Voedingen&l2=meer+dan+600+Watt

Lepa B Series 750W 80Plus Bronze Modular €90
http://www.alternate.nl/html/product/Voedingen_meer_dan_600_Watt/LEPA/B750-MA/554045/?tn=HARDWARE&l1=Voedingen&l2=meer+dan+600+Watt

OCZ ZT Series 750W 80Plus Bronze Modular €98
http://www.alternate.nl/html/product/Voedingen_meer_dan_600_Watt/OCZ/ZT750W/603543/?tn=HARDWARE&l1=Voedingen&l2=meer+dan+600+Watt

Silverstone Olympia 750W 80Plus €99
http://www.alternate.nl/html/product/Voedingen_meer_dan_600_Watt/SilverStone/Olympia_OP750W/226343/?tn=HARDWARE&l1=Voedingen&l2=meer+dan+600+Watt

They all have at least four PCIe connectors.
 
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NickDLH

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Thanks a lot! You have been a great help, sorry to keep you up. I know now that my current psu is good enough and i know wich psu to buy for an sli setup. Thanks again.
 
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