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Which PSU is best for my budget rig?

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July 23, 2012 8:02:18 AM

CPU Intel Core i5-3570K 3.4GHz Quad-Core... $200.99

Motherboard ASRock Z77 Extreme4 ATX LGA1155... $95.99

Video Card SAPPHIRE Radeon HD 6870... $159.99

PSU N/A $50.00-60.00

CASE LOGISYS Transparent Computer Case... $59.99

Memory Pareema 4GB (1 x 4GB) DDR3-1600... $21.69

Add On 4x Logisys 15n cold cathode $30.00

Total=... Final W/o GPU $428.55
Final w GPU $548.45

Rosewill Green Series RG630-S12 630W
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Antec BP550 Plus 550W
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

I want modular because of my case but dont know if its worth it.... will these power supplies also be able to crossfire later in the future?

More about : psu budget rig

July 23, 2012 8:17:51 AM

please take off the cathodes amd put the money into a psu because would you want a colorful computer with lights and fried parts because you decided to skimp the psu to make your case/computer look pretty
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July 23, 2012 8:33:40 AM

whats cheap about these psu's the rosewell has 50amps on 12v...
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July 23, 2012 8:36:07 AM

A good 650W PSU will be plenty for a system with two 6870s. However such a system also needs four PCIe connectors, unfortunately most 650W PSU only come with two. You could use peripheral to PCIe adapters if you are happy to use them.

Assuming you are in the USA and buying from newegg
Antec HCG M Series HCG-620M 620W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS BRONZE Certified Modular Active PFC Power Supply
http://www.newegg.com/Product/Product.aspx?Item=N82E168...



Rosewill HIVE Series HIVE-750 750W Continuous @40°C, 80 PLUS BRONZE Certified, Modular Design, Single +12V Rail, ATX12V v2.31/EPS12V v2.92, SLI Ready, CrossFire Ready, Active-PFC Power Supply
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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July 23, 2012 8:40:22 AM

I love how everyone bleeds money at tomshardware.... I cant pay 80 for a power supply...the most i can spend is 65 MOST.
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July 23, 2012 8:47:57 AM

power supply is one of the most important components you dont need to be cheap on
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July 23, 2012 8:49:02 AM

Well then you can't afford a Power supply that will run x2 6870 in crossfire however you can afford a PSU that runs one and nobody bleeds money these are the prices the things cost this will run your system http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=w... $63.99 & this item ships for FREE
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July 23, 2012 8:59:29 AM

Good hardware before bling. Lose the cathodes and get a proper PSU. It is the one component in the rig with the potential to fry the rest, you don't want to get a crap one.

Also, your rig is unbalanced. In a $600 rig, a Core i5 will take up too much of the cash and force you to skimp everywhere else. Case in point, the generic brand 4GB of RAM, a novelty case, an old graphics card, no HDD (you need one) and this current problem of the PSU.

This is a much more balanced, budget rig.

CPU: AMD Phenom II x4 965. $109
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Case: Zalman Z9. $55
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

PSU: Corsair Enthusiast 650W. $90
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Mobo: Asrock 970 AM3+ Extreme3. $80
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

RAM: G.Skill Ripjaws 8GB (2x4GB) 1600Mhz CL9. $46
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

HDD (Which you forgot about): Western Digital Caviar Blue 500GB. $75
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

GPU: Sapphire Radeon HD7750. $100
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Total: $555



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July 23, 2012 9:07:54 AM

The Antec BP550 Plus 550W you listed will run your system with a single 6870 but not two A single HD6870 requires a 500W psu with 32A on the 12V rails and (2) 6-pin 75W PCIe power connectors. Two HD6870s in CF require a 600W PSU with 44A on the 12V rails and (4) 6-pin 75W PCIe power connectors.Then you half to factor in other things like OC and breathing room.


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July 23, 2012 9:22:39 AM

manofchalk said:
Good hardware before bling. Lose the cathodes and get a proper PSU. It is the one component in the rig with the potential to fry the rest, you don't want to get a crap one.

Also, your rig is unbalanced. In a $600 rig, a Core i5 will take up too much of the cash and force you to skimp everywhere else. Case in point, the generic brand 4GB of RAM, a novelty case, an old graphics card, no HDD (you need one) and this current problem of the PSU.

This is a much more balanced, budget rig.

CPU: AMD Phenom II x4 965. $109
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Case: Zalman Z9. $55
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

PSU: Corsair Enthusiast 650W. $90
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Mobo: Asrock 970 AM3+ Extreme3. $80
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

RAM: G.Skill Ripjaws 8GB (2x4GB) 1600Mhz CL9. $46
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

HDD (Which you forgot about): Western Digital Caviar Blue 500GB. $75
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

GPU: Sapphire Radeon HD7750. $100
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Total: $555

+1 and if he wants to spend a bit more he can get a 7770 instead of a 7750
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July 23, 2012 9:07:38 PM

manofchalk said:
Good hardware before bling. Lose the cathodes and get a proper PSU. It is the one component in the rig with the potential to fry the rest, you don't want to get a crap one.

Also, your rig is unbalanced. In a $600 rig, a Core i5 will take up too much of the cash and force you to skimp everywhere else. Case in point, the generic brand 4GB of RAM, a novelty case, an old graphics card, no HDD (you need one) and this current problem of the PSU.

This is a much more balanced, budget rig.

CPU: AMD Phenom II x4 965. $109
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Case: Zalman Z9. $55
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

PSU: Corsair Enthusiast 650W. $90
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Mobo: Asrock 970 AM3+ Extreme3. $80
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

RAM: G.Skill Ripjaws 8GB (2x4GB) 1600Mhz CL9. $46
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

HDD (Which you forgot about): Western Digital Caviar Blue 500GB. $75
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

GPU: Sapphire Radeon HD7750. $100
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Total: $555


HAHA $600 RIG build, my original price was suppose to be 300 then 400 then 500 now its 600....I love you tomshardware...making people broke one component at a time =/
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July 23, 2012 10:45:41 PM

manofchalk said:
Good hardware before bling. Lose the cathodes and get a proper PSU. It is the one component in the rig with the potential to fry the rest, you don't want to get a crap one.

Also, your rig is unbalanced. In a $600 rig, a Core i5 will take up too much of the cash and force you to skimp everywhere else. Case in point, the generic brand 4GB of RAM, a novelty case, an old graphics card, no HDD (you need one) and this current problem of the PSU.

This is a much more balanced, budget rig.

CPU: AMD Phenom II x4 965. $109
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Case: Zalman Z9. $55
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

PSU: Corsair Enthusiast 650W. $90
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Mobo: Asrock 970 AM3+ Extreme3. $80
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

RAM: G.Skill Ripjaws 8GB (2x4GB) 1600Mhz CL9. $46
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

HDD (Which you forgot about): Western Digital Caviar Blue 500GB. $75
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

GPU: Sapphire Radeon HD7750. $100
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Total: $555



I did the micrcenter deal and I got like 80 bucks off of the motherboard and cpu. I dont care if i have 4gb of memory, just want enough to play skyrim. i dont need a hardrive already have like 6 hdds. From everything ive researched about the 6870, I wanna marry it. "all I want is Skyrim ultra and I will die happy". Matter a fact, f the crossfire (1) 6870 and a cup of cocoa and im good. I need a good cpu because i want to run ps2 emulators on my computer. the cold cathodes werent even included in the build total just to let you guys know. I was going to run off of the Hd 4000 until i can save enough lunch money to buy the 6870 which is perfectly enough...i dont need anything better then that from what ive gathered from price performance bench marks. ummm what else....? I didnt skimp much on anything I think...i wanted that case.... I also wanted that cpu...dont really know whats wrong with generic ram if i am not overclocking the ram... the whole point of the case is for the cathodes....i dont even know what im saying anymore, I am still not realizing how getting a $65 psu is skimping...
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July 24, 2012 5:36:57 AM

Crappy PSU. You might as well buy whatever you want cuz you're certainly not heeding our advice.
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July 24, 2012 6:02:13 AM

axsmith234 said:
HAHA $600 RIG build, my original price was suppose to be 300 then 400 then 500 now its 600....I love you tomshardware...making people broke one component at a time =/


Well have fun trying to build a machine for $300 then. I can guarantee that it wont do what you want, and what it will do is going to be rife with problems.

You never state how high your willing to go, and the build you posted at the start was running at $548, I gave you a better system with quality parts for $7 more, hardly busting your budget. Also, if you have hardware already (Like 6 HDD's), F***** tell us! If you use the cash dedicated to the HDD in my build you can get your HD6870.

Also, we don't set the prices of hardware. You can blame Intel, AMD, Nvidia, manufacturers, international resource prices, differing tax's throughout countries,natural disasters and the whole capitalist economy for current hardware prices. We tell you whats good and whats not, and unfortunately bargain bin components are not good. To do what you wanted, you need to spend this much cash.

Quite simply, you came to us (The tech geeks, who know this stuff) for advice (multiple times, I'v read you'r other threads), and dismissed it each time. If you refuse to listen to us, do whatever you want. You can have fun playing Skyrim on your $300 machine.

That PSU will do, dont expect to crossfire on it.
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July 24, 2012 6:02:30 AM

azeem40 said:
Crappy PSU. You might as well buy whatever you want cuz you're certainly not heeding our advice.


What do you mean that's a 90 dollar power supply...WHAT DO YOU WANT FROM ME!!?!? [cries]
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July 24, 2012 6:13:21 AM

manofchalk said:
Well have fun trying to build a machine for $300 then. I can guarantee that it wont do what you want, and what it will do is going to be rife with problems.

You never state how high your willing to go, and the build you posted at the start was running at $548, I gave you a better system with quality parts for $7 more, hardly busting your budget. Also, if you have hardware already (Like 6 HDD's), F***** tell us! If you use the cash dedicated to the HDD in my build you can get your HD6870.

Also, we don't set the prices of hardware. You can blame Intel, AMD, Nvidia, manufacturers, international resource prices, differing tax's throughout countries,natural disasters and the whole capitalist economy for current hardware prices. We tell you whats good and whats not, and unfortunately bargain bin components are not good. To do what you wanted, you need to spend this much cash.

Quite simply, you came to us (The tech geeks, who know this stuff) for advice (multiple times, I'v read you'r other threads), and dismissed it each time. If you refuse to listen to us, do whatever you want. You can have fun playing Skyrim on your $300 machine.

That PSU will do, dont expect to crossfire on it.


I didn't state those things because this thread wasn't to criticize the build but the psu...not saying your build was bad, it's just that I already have the build waiting to be built at my house beside the psu, ram, and gfx which i wasn't going to get anyway until i get the 150(that's why it says without gfx card).It also said at the psu part that its 50-60.

T_T what do you mean not crossfire its a 700W!?!?!?
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July 24, 2012 6:44:39 AM

Follow the link you posted, says 600W. You probably meant this Supply.
http://www.amazon.com/OCZ-ModXStream-Modular-Performanc...

750W is required to dual Crossfire comfortably (especially on older cards). 700W will work but don't expect much headroom to overclock and add more hardware.

Again, if you already had hardware, you should have posted that you had it. Otherwise we assume that you have nothing and we have infinite freedom to suggest changes to the rig, you have to give us info when you want advice. And it is pretty confusing to put prices next to parts you already have, gives the impression you don't have it yet.

If you wanted advice on just the PSU, why did you iclude the rest of your rig? All you had to say was
"3570k, HD6870 rig, want to dual crossfire later. have $60, what PSU should I get?". The answer would have been the same, you need to spend more, but you would have gotten it a lot quicker.




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July 24, 2012 6:48:46 AM

And you want fully modular psu those usually cost more
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July 24, 2012 7:17:29 AM

manofchalk said:
Follow the link you posted, says 600W. You probably meant this Supply.
http://www.amazon.com/OCZ-ModXStream-Modular-Performanc...

750W is required to dual Crossfire comfortably (especially on older cards). 700W will work but don't expect much headroom to overclock and add more hardware.

Again, if you already had hardware, you should have posted that you had it. Otherwise we assume that you have nothing and we have infinite freedom to suggest changes to the rig, you have to give us info when you want advice. And it is pretty confusing to put prices next to parts you already have, gives the impression you don't have it yet.

If you wanted advice on just the PSU, why did you iclude the rest of your rig? All you had to say was
"3570k, HD6870 rig, want to dual crossfire later. have $60, what PSU should I get?". The answer would have been the same, you need to spend more, but you would have gotten it a lot quicker.


So is this a good enough psu....I don't want to be comfortable I probably wont even overclock for a long time and definitely not over 4.

700 is enough for me... the extreme watt calculator says at max 100% load to every component and overclocked to 4.2 it recommended 730 watt 691 min...my cold cathodes will be turned off most of the time and i wont even use the dvd burner... even at 80% it recommended 600watts... think im fine?

can you sign off on this psu or is it garbage....
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July 24, 2012 7:24:31 AM

Just quit messing around and get this you'll be able to run 6870 crossfire and overclocked with this i doubt hes going to answer back everybody has had enough of your temper tantrums
Rosewill HIVE Series HIVE-750 750W Continuous @40°C, 80 PLUS BRONZE Certified, Modular Design, Single +12V Rail, ATX12V v2.31/EPS12V v2.92, SLI Ready, CrossFire Ready, Active-PFC Power Supply
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
$15 off w/ promo code EMCNCHF27, ends 7/30
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July 24, 2012 7:28:51 AM

OCZ is a mid range brand, but its better than a generic. That PSU will perform to an acceptable standard, just don't bank on it lasting more than 2 or 3yrs as PSU's always degrade over time. It will be fine for your purposes.

That's weird, PSU calculators often under-estimate how much you need but that ones over-estimated more. 700W is sufficient.
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July 24, 2012 7:36:26 AM

bigcyco1 said:
Just quit messing around and get this you'll be able to run 6870 crossfire and overclocked with this i doubt hes going to answer back everybody has had enough of your temper tantrums
Rosewill HIVE Series HIVE-750 750W Continuous @40°C, 80 PLUS BRONZE Certified, Modular Design, Single +12V Rail, ATX12V v2.31/EPS12V v2.92, SLI Ready, CrossFire Ready, Active-PFC Power Supply
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
$15 off w/ promo code EMCNCHF27, ends 7/30



...........................ok, I give up...=( ima buy the hive....this totally messed up my budget though...w/e what mom doesn't know wont kill her...at least not until she get's her credit card statements...
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July 24, 2012 7:43:04 AM

manofchalk said:
OCZ is a mid range brand, but its better than a generic. That PSU will perform to an acceptable standard, just don't bank on it lasting more than 2 or 3yrs as PSU's always degrade over time. It will be fine for your purposes.

That's weird, PSU calculators often under-estimate how much you need but that ones over-estimated more. 700W is sufficient.


I added random stuff that I might get in the future just to be safe. SSD, RPM HDD, 5 cathodes, overclocked to 4.2 with 1.5v even though i'm not going to go that high, extra fan, 100% max cpu and all components even though it wont go that high, 2 usb's, high-end mobo even tho its a regular board.
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Best solution

July 24, 2012 7:47:36 AM

axsmith234 said:
...........................ok, I give up...=( ima buy the hive....this totally messed up my budget though...w/e what mom doesn't know wont kill her...at least not until she get's her credit card statements...
good choice and hopefully your mom won't be to mad :( 
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July 24, 2012 8:02:21 AM

Best answer selected by axsmith234.
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