450W safe for i5 and 1070ti?

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zlatanowich

Jul 24, 2018
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i have 3led fan-s in my pc, 1 normal fan, then i have cpu cooler Raijintek Leto CPU-Cooler RGB and i5-8400 with gtx 1070ti, in the future i dont want to upgrade anything and i wanna make sure that a good 450W PSU can handle all these components
 
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jankerson



Yes, that is a very good UNIT. :)
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I don`t have exact but i have some here if they would be enough good PSU-s,
https://www.nzxt.com/products/hale-82-v2-psu
https://www.bequiet.com/en/powersupply/934
also i found this ---> http://www2.seasonic.com/product/m12ii-520-evo/

 
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1070 would be fine, but TI should have 500W.
Tier 2
be Quiet! - Pure Power 10 400W or greater
this is solid choice. Should serve you well.

if you want to check others:
https://linustechtips.com/main/topic/631048-psu-tier-list-updated/
aim for tier 1 or 2.
 
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Better to get a good quality 550W PSU.
 
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Choosing a PSU for your GPU, you can of course pick a PSU with just enough power for your complete system without leaving any free room for future upgrade or higher OC.
If you want to do this a really good PSU with around 500W should be enough for your GTX1070Ti.
I would rather pick around 550-600W tho'.
 
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would this one be solid pick if i have 1070ti?
https://www.bequiet.com/pl/powersupply/927 ----> BeQuiet Pure Power 10 500W
Becouse i know that i do not want to upgrade in the future becouse in that time if i need to upgrade i do not play games anymore.
 
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The be Quiet Pure Power 10 500 is much better than the other two units. And 500w is more than enough for your system. For reference, an OC GTX 1080ti + 8700k OC woul be fine on that PSU, as it only consumes ~350w at load, according to real tests. If you can't take my word, take a professional PSU reviewer's: https://www.computerbase.de/thema/netzteil/rangliste/
Might want to use a translator if you can't read German.
 
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Okay but if i know that i will not upgrade in the future then can i handle with BeQuiet Pure Rock 10 400W? i use pc only for gaming and i do not play that much 4k games, mostly i play cs:go,Pubg and with low settings to get high fps becouse of 144hz monitor. If i could handle with this PSU i would go with that one becouse i am trying to save money from every piece little bit.

https://www.bequiet.com/pl/powersupply/928

 
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No way.

You need at least a good 500W PSU or you will regret it later.
 
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So there is no any danger with 400W? i want to be sure that i will not be at danger with 400W, and my GPU have 3 fans also if that makes sense here. But will this one https://www.corsair.com/eu/en/Power/Plug-Type/cx-series-config/p/CP-9020120-UK could do fine job aswell?

 
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Better to get a good quality 550W PSU.
 
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okay and this one would be fine?
https://seasonic.com/focus-plus-gold
 
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Yes, that is a very good UNIT. :)
 
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Solution
Are you sure that wasn’t just because your 450w EVGA was delivering unstable voltages, or couldn’t deliver close to 450w? In other words, low quality.

A good 450W PSU should handle a 1070ti System fine, without too much overclocking.
 
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I'm confused as to why the insistence on a lower power unit. And don't say price. An excellent 450w psu is often more expensive than a mediocre 500w and almost always more expensive than a piece of junk 700w. It's also got nothing to do with the electric bill, the rating of a psu is power available, not power used, so a 500w psu is the same as a 1000w psu if the usage is only 350w. The only real difference is price vrs size vrs quality in any particular brand, not including sales discounts, so a corsair CXM450 is generally cheaper than a CXM750, but that's got nothing to do with Evga prices per size. Or model.

So it's probably easier and cheaper to get a decent 550w, that'll cover anything or any changes you do or do not make, than trying to find a really decent 400-450w that's guaranteed to cover any possible changes.
 
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Just get an PSU of 450 watts or more (BUT MODULAR) ,which would be perfect for you and also keep your hardware safe

LIKE ONE OF THESE

Corsair SF Series, SF450, 450 Watt, Fully Modular Power Supply, 80+ Gold Certified : https://www.amazon.com/Corsair-SF450-Modular-Supply-Certified/dp/B01CGGOXWQ/ref=sr_1_2?ie=UTF8&qid=1532843735&sr=8-2&keywords=450+watt+modular+psu+corsair

OR


EVGA 450 B3, 80+ BRONZE 450W, Fully Modular, EVGA ECO Mode, 5 Year Warranty, Compact 150mm Size, Power Supply... : https://www.amazon.com/EVGA-Modular-Warranty-Compact-220-B3-0450-V1/dp/B06ZY55HPT/ref=sr_1_fkmr1_2?ie=UTF8&qid=1532843872&sr=8-2-fkmr1&keywords=450+watt+modular+psu+EVGA
 
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And not to mention pretty much none of the 450W PSU's have the proper PCIe connections for the higher end GPU's.

That's 2 separate cables, not 2 connections daisy chained on a single cable.
 
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Ehh. Daisy chain doesn't really make much of any difference. A single 18" 18ga wire is good for @10A @12vDC, and the chain itself usually has more than one actual wire. So each 6pin is good for atleast 120w, the actual rating of a 6pin, not the assumed 75w. And those gpus using 8pin connectors should be on larger psus anyways that have multiple chains.
 
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Like the GTX 1070Ti and higher.
 
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You are also talking max amperage capable of the connector, not the actual draw of the gpu in question. The gtx1070ti has a reference draw max of 180w, that's upto 90w on slot and upto 180w on 8pin pcie, so it's not going to exceed what a chain is capable of. The 75/150w rule is not much more than the safety line, kind of like the 70°C rule for a cpu or 80°C for a gpu, regardless if they are generally good for upto @100°C.

A single 6+2pin on a chain will be fine with a 180w draw, it's good for a max closer to @210w. But granted, that's pushing it since it's relatively unknown just how much is pulled through the socket and how much is needed by the connector.

But figure it this way, even if separate cables were used, that's still a single 6+2pin connection, the exact same as a single 6+2pin on a daisy chained cable, you only need the one connector. If you physically cut off the additional connector on the chain, you'd have the exact same thing as a normal 6+2 single wire.
 
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The GTX 1070Ti didn't have any reference cards, they were all partner cards.

They all pull a min of 217w or more as far as I can tell.


The GTX 1070Ti FTW2 pulls 235W (2x 8 pin)
 
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