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Tom's Hardware > Forum > CPU & Components > Power Supplies, Cases & Mods > Will my Corsair HX520w be enough for this build?

Will my Corsair HX520w be enough for this build?

Forum CPU & Components : Power Supplies, Cases & Mods Will my Corsair HX520w be enough for this build?

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!!!

Reply to dooodo

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

Message edited by saint19 on 06-13-2010 at 04:11:13 AM

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Reply to saint19

Just plain no

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 [...] orlite.jsp

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

Message quoted 1 times
Message edited by needsumhelplol on 06-13-2010 at 04:03:22 AM

Reply to needsumhelplol

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.

Reply to dooodo

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

Reply to needsumhelplol

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

Reply to dooodo

U should not be to worried with the HX650W since that PSU is enough for the rig even with OC.

Message edited by saint19 on 06-13-2010 at 04:40:37 AM

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Reply to saint19

Are there any other modular or good budget power supplies other than Corsair? I'm in Canada.

Sorry I am REALLY lacking in psu knowledge.

How's this OCZ modular one?

http://www.directcanada.com/produc [...] TECHNOLOGY

Message edited by dooodo on 06-13-2010 at 04:45:57 AM

Reply to dooodo

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-su [...] /111/b/184

These are quality.. a bit too shiny for my taste but quality nonetheless

Message edited by needsumhelplol on 06-13-2010 at 04:50:02 AM

Reply to needsumhelplol

Are u from Canada? That's not a problem.

1- http://www.newegg.ca/Product/Produ [...] -_-Product
2- http://www.newegg.ca/Product/Produ [...] -_-Product
3- http://www.directcanada.com/produc [...] re=CORSAIR
4- http://www.tigerdirect.ca/applicat [...] r%20HX650W

OCZ don't make good PSUs.

Message edited by saint19 on 06-13-2010 at 04:52:17 AM

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Reply to saint19

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!

Reply to dooodo

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

Message quoted 1 times
Message edited by saint19 on 06-13-2010 at 05:07:38 AM

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Reply to saint19

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.

Reply to dooodo

Yeah, the 650W is enough for the rig that u want with OC.

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Reply to saint19

How are XFX and PC power and cooling?

Reply to dooodo

PC Powe and Cooling is very good too, but XFX isn't as good as Antec or Corsair IMO.

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Reply to saint19

Ok I've got it narrowed down to these guys here:
http://www1.canadacomputers.com/pr [...] _id=025887
http://www.directcanada.com/produc [...] TECHNOLOGY
http://ncix.com/products/index.php [...] omoid=1031

What would you say is the best buy out all them? Are they ok?

Reply to dooodo

I would go with the Silverston from directcanada.

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Reply to saint19

saint19 wrote :

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?

Reply to FALC0N

Oh and here are some antec ones I found:
http://www.canadacomputers.com/pro [...] _id=021535
http://www.canadacomputers.com/pro [...] _id=021535

Reply to dooodo

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?

Reply to dooodo

needsumhelplol wrote :

Just plain no

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.

Reply to FALC0N

^The Antec is better.

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Reply to saint19

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?

Message edited by dooodo on 06-13-2010 at 06:57:19 AM

Reply to dooodo

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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Reply to saint19

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

Message quoted 1 times

Reply to dooodo

Yeah, because is Gold Certified.

Message quoted 1 times

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Reply to saint19

you forgot seasonic wich in fact are the suppliers for pc power and cooling,corsair and xfx

http://ncix.com/products/index.php [...] lectronics

Message edited by obsidian86 on 06-13-2010 at 10:12:42 AM

------------------------------ When in rome ..
Reply to obsidian86

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 [...] omoid=1031
Corsair HX750W: http://www.shopbot.ca/r.html?catc= [...] id=9372694
XFX 750W Black Edition: http://www.bestdirect.ca/products/ [...] 1750BCAG9/
Silverstone Strider Plus 750W: http://www.directcanada.com/produc [...] TECHNOLOGY

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.

Message edited by dooodo on 06-13-2010 at 04:49:22 PM

Reply to dooodo

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

Message quoted 1 times
Message edited by needsumhelplol on 06-13-2010 at 04:52:35 PM

Reply to needsumhelplol

I read on a forum, someone said that this Coolermaster is really underrated http://www1.canadacomputers.com/pr [...] _id=026508 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.

Reply to dooodo

dooodo wrote :

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

saint19 wrote :

Yeah, because is Gold Certified.

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

needsumhelplol wrote :

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 ?

Message quoted 1 times

Reply to delluser1

delluser1 wrote :

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..

Message quoted 1 times
Message edited by needsumhelplol on 06-13-2010 at 06:14:46 PM

Reply to needsumhelplol

needsumhelplol wrote :

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.

Message quoted 1 times

Reply to delluser1

there aint noting between the hx750 and xfx 750 take the cheaper one

------------------------------ When in rome ..
Reply to obsidian86

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?

Reply to dooodo

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.

Message edited by dooodo on 06-13-2010 at 07:28:29 PM

Reply to dooodo

delluser1 wrote :

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...

delluser1 wrote :

I love noobs with attitudes

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

Edit:

dooodo wrote :

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

Message edited by needsumhelplol on 06-13-2010 at 08:15:38 PM

Reply to needsumhelplol

I love noobs with attitudes

Reply to delluser1

Ok so everyone give the thumbs up on the Corsair HX750!

Reply to dooodo

Yes

Reply to delluser1

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