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PSU enough? (450w for r9 270)

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  • Graphics
  • Power supplies
Last response: in Components
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September 14, 2014 8:55:59 PM

My build

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-4460 3.2GHz Quad-Core Processor ($179.99 @ Newegg)
Motherboard: ASRock H97M-ITX/AC Mini ITX LGA1150 Motherboard ($82.98 @ Newegg)
Memory: G.Skill Ripjaws Series 8GB (2 x 4GB) DDR3-1600 Memory ($72.00 @ Newegg)
Storage: Samsung 840 EVO 120GB 2.5" Solid State Drive ($85.99 @ Amazon)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($53.98 @ OutletPC)
Video Card: Asus Radeon R9 270 2GB DirectCU II Video Card ($149.99 @ Newegg)
Case: Cooler Master HAF 912 ATX Mid Tower Case ($49.99 @ Newegg)
Power Supply: Corsair CSM 450W 80+ Gold Certified Semi-Modular ATX Power Supply ($29.99 @ Newegg)
Optical Drive: LG GH24NSB0 DVD/CD Writer ($13.99 @ Newegg)
Total: $718.90
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-09-14 23:55 EDT-0400

Is the psu enough for me, or I need 500w or more?

http://pcpartpicker.com/part/corsair-power-supply-cs450...

More about : psu 450w 270

a b ) Power supply
September 14, 2014 9:02:03 PM

Why not go for something better like the Corsair RM series or an XFX (which are cheap and reliable)? 450 should be good enough but only from a brand that's very stable and highly rated. Corsair's CS series aren't good for high end builds if you use the low models. if you're going to go cs or cx from corsair, at least use a 500 - 600W.
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a c 2488 ) Power supply
September 14, 2014 9:04:47 PM

RM series uses poor caps XFX is great though.
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Related resources
September 14, 2014 9:04:56 PM

Shadowblade2652 said:
Why not go for something better like the Corsair RM series or an XFX (which are cheap and reliable)? 450 should be good enough but only from a brand that's very stable and highly rated. Corsair's CS series aren't good for high end builds if you use the low models. if you're going to go cs or cx from corsair, at least use a 500 - 600W.


I chose it because it's gold rated with 30 dollars ! THAT PRICE tho!
Also, I trust every Corsair psu.

I'm just wondering is 450w will be enough for my gpu (r9 270)?
Also, can they fit in both cooler master haf 912 and Corsair 250D?
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September 14, 2014 9:05:30 PM

SR-71 Blackbird said:
RM series uses poor caps XFX is great though.


Is that psu ok tho? Because I'm on a budge.

(also, nice meeting you xD )
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a c 2488 ) Power supply
September 14, 2014 9:06:01 PM

That PSU uses poor caps and is too light for your specs.
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a b ) Power supply
September 14, 2014 9:07:16 PM

Huang Ray said:
SR-71 Blackbird said:
RM series uses poor caps XFX is great though.


Is that psu ok tho? Because I'm on a budge.

(also, nice meeting you xD )


XFX is made by seasonic.
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a c 2488 ) Power supply
September 14, 2014 9:10:04 PM

A XFX 550 would be a great fit , and built to last.
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September 14, 2014 9:16:55 PM

Which XFX 550 are you guys talking about? the modular one or no? Can you give me a link for them?
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a c 86 ) Power supply
September 14, 2014 9:22:54 PM

While I agree that poor choice in caps DOES suck, it is heat that they do not tend to like so in a cooler system it may be ok.

A few things to point out here.

Most ITX boards are quite power friendly.
The R9 270 is the kind of card that averages maybe 110-120 watts in most games(peaks may be about 150ish).
The case of choice having a bottom mounted power supply should help reduce the amount of heat it has to deal with.
The cpu is quite power friendly as well

If you are on a budget and that is all you can afford, I do not see any reason for it not to work. 80+ gold power supplies also tend to run more cool.

I am NOT trying to downplay the importance of a good power supply because is is the heart of your system and connected to everything. I just do not think it will be under powered in this instance(rather power friendly system). If you can afford to get something a bit better, you may feel better knowing you have higher quality parts inside.
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September 15, 2014 8:18:23 AM

nukemaster said:
While I agree that poor choice in caps DOES suck, it is heat that they do not tend to like so in a cooler system it may be ok.

A few things to point out here.

Most ITX boards are quite power friendly.
The R9 270 is the kind of card that averages maybe 110-120 watts in most games(peaks may be about 150ish).
The case of choice having a bottom mounted power supply should help reduce the amount of heat it has to deal with.
The cpu is quite power friendly as well

If you are on a budget and that is all you can afford, I do not see any reason for it not to work. 80+ gold power supplies also tend to run more cool.

I am NOT trying to downplay the importance of a good power supply because is is the heart of your system and connected to everything. I just do not think it will be under powered in this instance(rather power friendly system). If you can afford to get something a bit better, you may feel better knowing you have higher quality parts inside.


I can at most buy a PSU within 70 to 100 dollars. However, why not buy a good cheap psu and save some money?

If you were me, would you buy the 450w psu, or buy other better (more expensive) gpu.

Also, if you weren't going for that psu, which one will you buy for my build?
If the psu is enough, I might even upgrade to psu to 270x.
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a c 86 ) Power supply
September 15, 2014 1:02:07 PM

I am the kind of person running a GTX 650ti on a 300 watt power supply. I have been since release and before that it was a 5770(4 years total. 24/7).

I carefully monitored all power use to ensure the system is not even close to overloading the power supply and mine actually does eat cpu heated air.

In your budget range you can get one of the XFX(seasonic made units for sure)

The 270x is not overly power hungry, but if pushed with the right load can eat about 180-200 watts(more with factory overclocked cards). Most games would hang in the 130-150 range.

Because I have no personal experience with that power supply. I would recommend seeing how the reviews stack up. It is a shame to see companies cut corners like this, but they take a chance that the power supply will be under used and used in a cooler environment.
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September 15, 2014 8:08:28 PM

nukemaster said:
I am the kind of person running a GTX 650ti on a 300 watt power supply. I have been since release and before that it was a 5770(4 years total. 24/7).

I carefully monitored all power use to ensure the system is not even close to overloading the power supply and mine actually does eat cpu heated air.

In your budget range you can get one of the XFX(seasonic made units for sure)

The 270x is not overly power hungry, but if pushed with the right load can eat about 180-200 watts(more with factory overclocked cards). Most games would hang in the 130-150 range.

Because I have no personal experience with that power supply. I would recommend seeing how the reviews stack up. It is a shame to see companies cut corners like this, but they take a chance that the power supply will be under used and used in a cooler environment.


I live in CA (so hot!)

If I bought a 270 and DON"T oc the gpu or the cpu (i5 4460).
Will the Corsair CSM 450W be enough????
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a c 2488 ) Power supply
September 15, 2014 8:11:22 PM

It will run it but could fail quicker than normal as you don't have much headroom.
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September 15, 2014 8:12:00 PM

So, will Evga Supernova nex 650w be fine with r9 270x or 280x?
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a c 2488 ) Power supply
September 15, 2014 8:12:52 PM

The Nex would be abetter choice , it's decent made by FSP.
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September 15, 2014 8:29:12 PM

if I have nex 750w can i CR r9 270x?
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a c 86 ) Power supply
September 15, 2014 8:47:30 PM

With that much power you can run ANY single card on the market.
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a c 2488 ) Power supply
September 15, 2014 8:49:05 PM

If I have nex 750w can I run a r9 270x? < with ease :D 
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September 15, 2014 9:57:14 PM

Also, for the powercolor card (270x)
Can i install it with optical drives in Corsair 250D?
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a b ) Power supply
September 15, 2014 10:08:32 PM

you should be able to. I doubt it's that long of a pcb.
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September 15, 2014 10:22:44 PM

Shadowblade2652 said:
you should be able to. I doubt it's that long of a pcb.


So no or yes in COrsair 250D with Optical drive?
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a b ) Power supply
September 15, 2014 10:30:36 PM

Huang Ray said:
Shadowblade2652 said:
you should be able to. I doubt it's that long of a pcb.


So no or yes in COrsair 250D with Optical drive?


I cant say for sure but most likely yes
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September 16, 2014 5:22:40 PM

Shadowblade2652 said:
Huang Ray said:
Shadowblade2652 said:
you should be able to. I doubt it's that long of a pcb.


So no or yes in COrsair 250D with Optical drive?


I cant say for sure but most likely yes


I do not want to buy the parts and regret later.
Also, can Asus r9 270 or 270x fit in the Corsair 250D with opt. drive too?
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a c 86 ) Power supply
September 16, 2014 5:38:09 PM

Based on what I can see the optical drive bay is behind the video card and should not touch it. As long as the video card does not have large components sticking out of the back side and is not longer than 290mm(more room than the 240mm i have in my SG05 :)  ), it should not even be an issue.

You also have to watch out for tall(wide?) cards that will sit too high above the pci-e slot.
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September 17, 2014 10:13:17 PM

So I does fit? Also
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September 17, 2014 10:33:38 PM

My build

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i5-4690K 3.5GHz Quad-Core Processor ($224.74 @ NCIX US)
CPU Cooler: Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler ($29.99 @ Newegg)
Motherboard: ASRock Z97 PRO4 ATX LGA1150 Motherboard ($99.99 @ Newegg)
Memory: G.Skill Sniper Series 8GB (2 x 4GB) DDR3-1866 Memory ($76.50 @ Newegg)
Storage: Samsung 840 EVO 120GB 2.5" Solid State Drive ($79.99 @ Amazon)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($53.98 @ OutletPC)
Video Card: Gigabyte Radeon R9 280 3GB WINDFORCE Video Card ($199.99 @ Newegg)
Case: Cooler Master HAF 912 ATX Mid Tower Case ($44.99 @ Newegg)
Power Supply: EVGA SuperNOVA NEX 750W 80+ Gold Certified Fully-Modular ATX Power Supply ($69.99 @ NCIX US)
Total: $872.16
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2014-09-18 01:33 EDT-0400

Maybe CrossFire Later?
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a c 86 ) Power supply
September 18, 2014 7:46:31 AM

So no more itx build.

Your parts should work together fine, but crossfire with 280s can take a good bit of power. I think it would be close if you ever managed to load up everything to the max.
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September 19, 2014 4:04:08 PM

nukemaster said:
So no more itx build.

Your parts should work together fine, but crossfire with 280s can take a good bit of power. I think it would be close if you ever managed to load up everything to the max.

So, is there anything the fix beside psu?
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Best solution

a c 86 ) Power supply
September 19, 2014 4:56:14 PM

Everything seems in order.
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