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what power supply?

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February 24, 2014 2:58:24 PM

I am planning on upgrading my desktop in the next week or two. my set up is gonna run a i7 3770k cpu, nvidia 660TI (probably 2 in the future) a h100i water cooling system and a sabertooth mother board inside a raidmax cobra case. I am curious if the currnet 250W power supply will be enough for the entire system or if I need to upgrade to a stronger power supply. (I am also fairly new to building my own system so any extra help would be greatly appreciated)

More about : power supply

a b ) Power supply
February 24, 2014 3:12:17 PM

You will most definitely need a stronger PSU (probably a 500w PSU would work well from XFX, Corsair or Seasonic) . The CPU, and GPU are those components you already have?
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February 24, 2014 3:20:47 PM

No, that powersupply definitely won't be enough, a sabertooth motherboard also won't work with that processor, as they only work with AMD AM3+ and intel LGA 1150 (your cpu is an 1155), you're gonna want a 500-600 watt power supply.
This is a sample system i threw together based on the parts you said you wanted: (the case was a close one I could find to the one you said you wanted)
PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i7-3770K 3.5GHz Quad-Core Processor ($249.99 @ Microcenter)
CPU Cooler: Corsair H100i 77.0 CFM Liquid CPU Cooler ($97.16 @ Amazon)
Motherboard: Asus Maximus V Gene Micro ATX LGA1155 Motherboard ($199.99 @ SuperBiiz)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($64.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($59.99 @ Newegg)
Video Card: Galaxy GeForce GTX 660 Ti 3GB Video Card (2-Way SLI) ($225.29 @ Amazon)
Video Card: Galaxy GeForce GTX 660 Ti 3GB Video Card (2-Way SLI) ($225.29 @ Amazon)
Case: Raidmax Viper (Red) ATX Mid Tower Case ($77.98 @ Newegg)
Power Supply: SeaSonic G 550W 80+ Gold Certified Semi-Modular ATX Power Supply ($80.92 @ Mwave)
Optical Drive: LG GH24NSB0 DVD/CD Writer ($14.99 @ Newegg)
Total: $1296.59
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-02-24 18:20 EST-0500)
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a b ) Power supply
February 24, 2014 3:41:57 PM

ok, so you are planning. The part you listed are good parts, but slightly incompatible.
Question: Do you already have some parts such as the chip/case etc or are you wanting to get them cuz they are cool or a good deal from a friend etc?
Nvidia recommends a 650w psu with 38A @12V for GTX660ti SLI
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February 24, 2014 4:27:35 PM

James Mason said:
No, that powersupply definitely won't be enough, a sabertooth motherboard also won't work with that processor, as they only work with AMD AM3+ and intel LGA 1150 (your cpu is an 1155), you're gonna want a 500-600 watt power supply.
This is a sample system i threw together based on the parts you said you wanted: (the case was a close one I could find to the one you said you wanted)
PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i7-3770K 3.5GHz Quad-Core Processor ($249.99 @ Microcenter)
CPU Cooler: Corsair H100i 77.0 CFM Liquid CPU Cooler ($97.16 @ Amazon)
Motherboard: Asus Maximus V Gene Micro ATX LGA1155 Motherboard ($199.99 @ SuperBiiz)
Memory: G.Skill Ripjaws X Series 8GB (2 x 4GB) DDR3-1600 Memory ($64.99 @ Newegg)
Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($59.99 @ Newegg)
Video Card: Galaxy GeForce GTX 660 Ti 3GB Video Card (2-Way SLI) ($225.29 @ Amazon)
Video Card: Galaxy GeForce GTX 660 Ti 3GB Video Card (2-Way SLI) ($225.29 @ Amazon)
Case: Raidmax Viper (Red) ATX Mid Tower Case ($77.98 @ Newegg)
Power Supply: SeaSonic G 550W 80+ Gold Certified Semi-Modular ATX Power Supply ($80.92 @ Mwave)
Optical Drive: LG GH24NSB0 DVD/CD Writer ($14.99 @ Newegg)
Total: $1296.59
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2014-02-24 18:20 EST-0500)


thats funny, the sabertooth that my friend uses, which is the same one i am planning on purchasing supports 1155.
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February 24, 2014 4:29:17 PM

Karadjgne said:
ok, so you are planning. The part you listed are good parts, but slightly incompatible.
Question: Do you already have some parts such as the chip/case etc or are you wanting to get them cuz they are cool or a good deal from a friend etc?
Nvidia recommends a 650w psu with 38A @12V for GTX660ti SLI


I currently have the GPU, I was planning on getting the other parts in the next couple of weeks since I will have the money to put into it.
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a b ) Power supply
February 24, 2014 4:30:53 PM

ah, ok then, so you won't mind if some of the stuff is upgraded? the 4770k is same price as 3770k.. and is this basically a gaming build?
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February 24, 2014 4:34:08 PM

Karadjgne said:
ah, ok then, so you won't mind if some of the stuff is upgraded? the 4770k is same price as 3770k.. and is this basically a gaming build?


for the most part it will be my gaming pc with some minor school stuff on it.
from what i have heard and read the 4770k is notorious for having overheating issues and burns out faster than the average cpu.
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a b ) Power supply
February 24, 2014 4:40:33 PM

Thor68 said:
Karadjgne said:
ah, ok then, so you won't mind if some of the stuff is upgraded? the 4770k is same price as 3770k.. and is this basically a gaming build?


for the most part it will be my gaming pc with some minor school stuff on it.
from what i have heard and read the 4770k is notorious for having overheating issues and burns out faster than the average cpu.


Sounds like you are aiming for a fresh new system no? Also, haswell has heat issues as does ivy bridge. It really just depends on the cooler as well how well you can push off the heat. The 4670k is probably more appropriate for your build unless you do professional work.
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February 24, 2014 4:47:27 PM

bigshootr8 said:
Thor68 said:
Karadjgne said:
ah, ok then, so you won't mind if some of the stuff is upgraded? the 4770k is same price as 3770k.. and is this basically a gaming build?


for the most part it will be my gaming pc with some minor school stuff on it.
from what i have heard and read the 4770k is notorious for having overheating issues and burns out faster than the average cpu.


Sounds like you are aiming for a fresh new system no? Also, haswell has heat issues as does ivy bridge. It really just depends on the cooler as well how well you can push off the heat. The 4670k is probably more appropriate for your build unless you do professional work.


for the most part yea it will be fresh my plan is to get the case, cpu and cooling system before upgrading the motherboard since the one I currently have is compatible, i just figured id upgrade it down the road for the hell of it.
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a b ) Power supply
February 24, 2014 4:52:33 PM

ah hah! so, you need an LGA 1155 setup, minus the motherboard, (what mother board btw?) and the budget is?
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February 24, 2014 5:14:35 PM

Karadjgne said:
ah hah! so, you need an LGA 1155 setup, minus the motherboard, (what mother board btw?) and the budget is?


i cant remember right off the top of my head but i had my pc builder buddy look it over and he claimed everything should be compatible. so from what i gather im gonna need to upgrade to a 600w power supply to be on the safe side of running this and probably more down the line when i upgrade again.
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February 24, 2014 5:14:42 PM

Karadjgne said:
ah hah! so, you need an LGA 1155 setup, minus the motherboard, (what mother board btw?) and the budget is?


i cant remember right off the top of my head but i had my pc builder buddy look it over and he claimed everything should be compatible. so from what i gather im gonna need to upgrade to a 600w power supply to be on the safe side of running this and probably more down the line when i upgrade again.
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Best solution

a b ) Power supply
February 24, 2014 9:56:47 PM

ok, what kind of case do you think you want. A full tower capable of E-ATX boards? a mini tower, micro-tower... size matters, oh, hmm, especially when it comes to choosing parts. Asus makes some awesome gaming mobo's but for the LGA 1155 series like an i7-3770k, they come in 2 sizes. E-ATX and mATX, and E-ATX will not fit in an ATX mid-tower (mostly), so, if you could shoot us some hints or head over to Here and get some ideas on stuff you'd like to see, that would be a real help.

Since you stated you already have a gpu, and are looking to upgrade the rest, I believe it would be a better idea not to upgrade, but to start over, a fresh build, and that would include a new mobo. By choosing last generation equipment you are actually limiting your options, and quite often raising your budget. eg. you can get a good Z87 board (LGA 1150 Haswell, 4xxx series cpu) for $119, the comparable Z77 board (LGA 1155 Ivy Bridge, 3xxx series) is $199. Because it is last generation, the company does not make as many, therefore price goes up with demand.

Also, the latest generation components have upgraded hardware/software/chipsets etc, due to manufacturers actually learning about the flaws of the last gen stuff and trying to fix it.

Just my opinion, but I believe its an idea that would be of value to you to be open about. Keep your old system intact, sell it on craigslist for a few bucks, and apply that towards a new system that will last a lot longer.
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