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Will my Corsair HX520w be enough for this build?

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June 13, 2010 1:57:08 AM

Hey guys, the community here has been great.

I really need help here though as I am buying parts online.

Basically doing a major system rehaul. Will my old PSU (Corsair hx520 watts http://www.silentpcreview.com/article692-page1.html) be enough to power the following system?

- i7 920 D0 possibly o'ced to 4ghz
- 3 x 2gb OCZ 1333mhz ram
- HIS Radeon HD 4970x2 2gb
- 1 OCZ 60gb Vertex SSD
- 1 Seagate 7200.12 500gb HD
- Corsair H50 Watercooling
- Antec 900 case

I've read that it should be fine however its pushing the limits or its dangerous/not overclockable. I'd REALLY love to save money and not buy another PSU if it were deemed unnecessary. I'd also not like my computer to blow up lol, stability is a must.

Thx TH in advance!!!

More about : corsair hx520w build

a b ) Power supply
June 13, 2010 2:00:47 AM

Hi newcomer and welcome to the Tom's hardware forum.

Can u post please the spec of the "4970x2" that u have, because I can't find it.

Now if u refer to the 4870 here are the system requirements:

ATI Radeon™ HD 4870 Series System Requirements

ATI Radeon™ HD 4870 System Requirements
PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard
500 Watt or greater power supply with two 75W 6-pin PCI Express® power connectors recommended (600 Watt and four 6-pin connectors for ATI CrossFireX™ technology in dual mode)
Certified power supplies are recommended. Refer to http://ati.amd.com/certifiedPSU for a list of Certified products
Minimum 1GB of system memory
Installation software requires CD-ROM drive
DVD playback requires DVD drive
Blu-ray™ playback requires Blu-ray drive
For a complete ATI CrossFireX™ system, a second ATI Radeon™ HD 4870 graphics card, an ATI CrossFireX Ready motherboard and one ATI CrossFireX Bridge Interconnect cable per graphics card (included) are required

ATI Radeon™ HD 4870 X2 System Requirements

PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard
650 Watt or greater power supply with one 2x3-pin PCIe® power connector and one 2x4-pin PCIe® power connector is required (1K Watt with two 2x3-pin and two 2x4-pin connectors for ATI CrossFireX™ technology in dual mode)
Certified power supplies are recommended. Refer to http://ati.amd.com/certifiedPSU for a list of Certified products
Certified system cases with good airflow and cooling are recommended. Refer to http://ati.amd.com/certifiedcases for a list of Certified products
Minimum 1GB of system memory
Installation software requires CD-ROM drive
DVD playback requires DVD drive
Blu-ray™ playback requires Blu-ray drive and full 1080p display requires a 1080p-capable monitor
For a complete ATI CrossFireX™ system, a second ATI Radeon™ HD 4870 X2 graphics card, an ATI CrossFireX Ready motherboard and one ATI CrossFireX Bridge Interconnect cable per graphics card (included) are required


The recommended PSU is for the entire system, so isn't enough for the 1st and 2nd one. This two are good options

1- CORSAIR HX 650W
2- Antec TruePower 650W
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June 13, 2010 2:01:19 AM

Just plain no :p 

although the hx520 are a very good PSU i can't see your crossfire running well with only 520w

I'd go for 650 at least, possibly even a 750... this is just off the top of my head though, i could be wrong...

Here is a decent PSU calculator : http://www.extreme.outervision.com/psucalculatorlite.js...


Edit: oh... you mean 4870x2... not 2x4870 (or 4970x2, lol)

yea still even without crossifre, that is a dual core gpu i'd go for at least 650 ... i mean especially since u say u wanna OC
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Related resources
June 13, 2010 2:15:57 AM

Yea so I guess she's gotta go for sale then... sigh. More money to spend boy oh boy lol.

I was hoping someone with a near identical setup would appear and tell me hey, that hx520 does the job! Lol.
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June 13, 2010 2:23:55 AM

Well you do have a pretty nifty PSU there, i have seen some (hx520) feed systems that wouldn't boot with a 550w generic unbranded.
Having said that, the card pushes it over the edge, in my opinion...although you could always order the stuff now, set it up, and buy a new PSU later if you're getting problems... personally i'd save myself the hassle and get a nice or HX-650 like the other poster suggested
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June 13, 2010 2:32:55 AM

Is the hx650 100% good for my build? It's a heck of alot cheaper than the 750w one so I wanna be sure lol
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a b ) Power supply
June 13, 2010 2:40:13 AM

U should not be to worried with the HX650W since that PSU is enough for the rig even with OC.
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June 13, 2010 2:46:51 AM

hx650 should be 100% good for a SINGLE 4870x2... if you're planning to crossfire... then that would be pushing it... especially since you say you want to OC

Edit: Depends what kinda budget you're on..

Edit2: check these out

http://www.shopbot.ca/xfx/power-supply-units/housing-an...

These are quality.. a bit too shiny for my taste but quality nonetheless
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June 13, 2010 3:04:26 AM

Hey guys thx for the links. I cant see the first two newegg products saint what are they?

So the top brands are Corsair and XFX? What's wrong with OCZ I buy their memory lol and it is 80% efficient too!
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a b ) Power supply
June 13, 2010 3:10:21 AM

The top brands are IMO:

Corsair
Antec
PC Power and Cooling
Silverstone
Thermaltake (not all series)

The 1st two links are from newegg canada and are this:

1- Antec 650W
2- Corsair 650W
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a b ) Power supply
June 13, 2010 3:20:32 AM

Yeah, the 650W is enough for the rig that u want with OC.
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June 13, 2010 3:21:44 AM

So should I be aiming at a 650w? I'm looking to use this system for a few yrs and I'd definately wanna buy something with ease of mind with the ability to run stable AND o/c.
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June 13, 2010 4:00:52 AM

How are XFX and PC power and cooling?
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a b ) Power supply
June 13, 2010 4:07:09 AM

PC Powe and Cooling is very good too, but XFX isn't as good as Antec or Corsair IMO.
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a b ) Power supply
June 13, 2010 4:32:43 AM

I would go with the Silverston from directcanada.
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a b ) Power supply
June 13, 2010 4:35:53 AM

saint19 said:
The top brands are IMO:

Corsair
Antec
PC Power and Cooling
Silverstone
Thermaltake (not all series)


How do you put Silverstone and Thermaltake on that list but not Seasonic and Enermax? Silverstone at least deserves to be mentioned but Thermaltake?
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June 13, 2010 4:40:54 AM

The one thing I have against Antec psu is they sell them as modular but with like 2 modular cables lol... I'm leaning towards the Silverstone Strider plus too. Think that will be future proof for Crossfire as well? How does it pit against the Corsair hx650?
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a b ) Power supply
June 13, 2010 4:43:26 AM

^The Antec is better.
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a b ) Power supply
June 13, 2010 4:47:22 AM

needsumhelplol said:
Just plain no :p 

although the hx520 are a very good PSU i can't see your crossfire running well with only 520w


It might actually. Corsairs are underrated PSU's. Thats why they perform so well. It would support 600 watts.

Still, I wouldn't feel comfortable doing it. If this was one GPU, I would say no problem. The second one scares me.

Bottom line, it would likely work. But I'm with everyone else. I wouldn't do it.
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June 13, 2010 5:00:07 AM

Which Antec series are better? TP, Earthwatts or Quattro? Wow don't know which one to get lol.

Or should I just stick with the Corsair hx650? Or the Silverstone decathalon or Strider?
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a b ) Power supply
June 13, 2010 5:02:32 AM

Ante new TP, Earthwatts and Quattro are very good all depends of ur needs.

U should go with the Corsair HX650W since is a good price/performance option.
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a b ) Power supply
June 13, 2010 5:19:40 AM

Yeah, because is Gold Certified.
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June 13, 2010 5:19:57 AM

Would you say the Corsair hx650 is a better option than both Silverstones? (650W Decathlon and 750w Strider plus)
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June 13, 2010 2:44:38 PM

Ok guys so I've narrowed it down to these based on price and some reviews. I've decided against the Corsair HX650 and instead will rule it out with the HX750 just for future upgradability and the prices are similar:

Seasonic M12D 850W: http://www.ncix.com/products/index.php?sku=35155&promoi...
Corsair HX750W: http://www.shopbot.ca/r.html?catc=2&refproduct=184770&r...
XFX 750W Black Edition: http://www.bestdirect.ca/products/225030/XFX/P1750BCAG9...
Silverstone Strider Plus 750W: http://www.directcanada.com/products/?sku=22170AC0247&v...

Or am I wasting money and a Corsair HX650 will suffice? I WOULD like to add hard drives or upgrade to Radeon 5xxx or 6xxx one day.
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June 13, 2010 2:49:06 PM

Out of that list i would personally buy the SS Strider+ 750w, but that's just me... the seasonic you listed seems like a great buy, but the reason it's cheaper than other models is because of the silver rating and dual 12v rails instead of single 12v rail

Edit: man if you're willing to pay the extra $$$ for the HX750 then do it you wont look back
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June 13, 2010 3:05:51 PM

I read on a forum, someone said that this Coolermaster is really underrated http://www1.canadacomputers.com/product_info.php?item_i... as its made by channel wells or something... Hmm everyone seems reallly high on Corsair, I'd really love to not break the bank if I have to lol.
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a c 243 ) Power supply
June 13, 2010 3:31:45 PM

dooodo said:
Would you say the Corsair hx650 is a better option than both Silverstones? (650W Decathlon and 750w Strider plus)


saint19 said:
Yeah, because is Gold Certified.

It's Bronze
http://www.corsair.com/products/hx650/default.aspx

needsumhelplol said:
the seasonic you listed seems like a great buy, but the reason it's cheaper than other models is because of the silver rating and dual 12v rails instead of single 12v rail

The others are Silver rated as well, and since when does adding an over current protection circuit equate to making something cheaper ?
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June 13, 2010 4:13:31 PM

delluser1 said:

The others are Silver rated as well, and since when does adding an over current protection circuit equate to making something cheaper ?



Re-read my post... i said it's cheaper than OTHER MODELS (meaning other 850w PSUs) because its SILVER RATED and has DUAL 12v instead of SINGLE 12v... i didn't say anything about OCP.. or about how expensive/cheap that model is to make.


edited for typo..
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a c 243 ) Power supply
June 13, 2010 4:28:54 PM

needsumhelplol said:
Re-read my post... i said it's cheaper than OTHER MODELS (meaning other 850w PSUs) because its SILVER RATED and has DUAL 12v instead of SINGLE 12v... i didn't say anything about OCP.. or about how expensive/cheap that model is to make.


edited for typo..

No need to re-read your post.
The post you responded to didn't mention any other 850 watt units it did mention Silver rated 750 watt units, so how would anyone other than Miss Cleo know that you " meant other 850 watt units "?
No , you didn't really mention anything about OCP, you did say it was cheaper due to being dual rail and dual rail in it's case is created by adding an OCP circuit.
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June 13, 2010 4:40:07 PM

Ok guys I've narrowed it down to:
Corsair HX750 at $160 after tax and shipping and Antec TP750 New at $127 after tax and a 20 rebate.

What is the better buy?
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a b ) Power supply
June 13, 2010 4:44:22 PM

there aint noting between the hx750 and xfx 750 take the cheaper one
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June 13, 2010 5:13:57 PM

Any ideas? The Xfx will be $5 cheaper than the Corsair at $155 lol

To me the 5 buck difference there is a 5 and 7 year warranty.. man this is a hard decision lol.
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June 13, 2010 5:29:59 PM

delluser1 said:
No need to re-read your post.
The post you responded to didn't mention any other 850 watt units it did mention Silver rated 750 watt units, so how would anyone other than Miss Cleo know that you " meant other 850 watt units "?
No , you didn't really mention anything about OCP, you did say it was cheaper due to being dual rail and dual rail in it's case is created by adding an OCP circuit.


Bro i don't wanna derail the thread but you clearly do need to re-read my post as what i said was
Quote:
... the seasonic you listed seems like a great buy, but the reason it's cheaper than other models is because..


Assuming 'Anyone other than Miss Cleo' knows the first thing about hardware, why would they think i meant anything else...; Why would i be comparing it anything other than 850w PSUs... that's would be like comparing a 250gb hdd to a 300gb...

Quote:
I love noobs with attitudes ;) 

lols i love trolls .. not even worth a new post



Edit:

dooodo said:
Any ideas? The Xfx will be $5 cheaper than the Corsair at $155 lol

To me the 5 buck difference there is a 5 and 7 year warranty.. man this is a hard decision lol.


There is barely any difference between them (except looks obviously) but i'd say go with corsair for the longer warranty :) 
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a c 243 ) Power supply
June 13, 2010 5:58:19 PM

I love noobs with attitudes ;) 
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June 13, 2010 9:23:42 PM

Ok so everyone give the thumbs up on the Corsair HX750!
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a c 243 ) Power supply
June 14, 2010 12:32:29 AM

Yes
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!