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Archex

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Jan 11, 2013
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Hello

I have one 660 ti card and will be buying another one to run in sli mode. When I got this

http://www.newegg.com/Product/Product.aspx?Item=17-256-061&SortField=0&SummaryType=0&Pagesize=10&PurchaseMark=&SelectedRating=-1&VideoOnlyMark=False&VendorMark=&IsFeedbackTab=true&Page=4#scrollFullInfo

I thought it would be powerfull enough for sli but after a few google searches some people say that 500W is not enough, they recommend at least 600w then other peoplesay 450w should be enough because 1 card only draws about 130 watts. I'm confused. I didn't go for 700w PSU because my system doesn't need that much power and most of it would be wasted ($$$).

Now I feel like a moron because I wasted $60 on a 500w PSU trying to save on electricity. Please tell me that 500w should be ok. Thanks
 
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Seems like a cost cutting move (poorly thought out by Corsair),
8 molex (peripheral) and only 2 PCI-E doesn't make a whole lotta sense for
a unit marketed as professional.

If you are still interested in a quality unit, consider this:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817182263
nets to $80 after mir & 15% promo and is an outstanding psu.

Tom





Hi - I don't think it'll work. It might initially, but I think you're sking for trouble.
Realhardtech suggests 620w for a sys with 2 660ti's in SLI, you
might get by with a little less. You are also 2 pci-e connectors short,
you need 4 for the 2 cards & that psu has 2. If you had enough power
then using molex to pci-e adapters would be ok.

Tom
 

Archex

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Jan 11, 2013
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So even if I had enough power it wouldn't work because I'm two connectors short. Fantastic. I'll see if I can return the silverstone one an maybe get Corsair HX650, which I should have bought I'm the first place. $60 +$100 in PSU alone lolololo
 


Correct - he needs 620w, & I said 650 in 2nd post because if you got to buy
a new PSU & you know you need 4 pci-e connectors then it makes sense
to purch a psu with 4. A lot of 650's have 4, but almost no 620's have 4,
that's why I would get & suggest a 650 in this instance.
 

Fair enough.
 

The recently discontinued CMPSU-650HX model has four (6+2)-pin PCI Express supplementary power connectors.

Its new replacement model, the HX650 ( SKU# 75-001217 / CP-9020030 ), only has two (6+2)-pin PCI Express supplementary power connectors.

So make sure you're purchasing the model you need/want.
 

Archex

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Jan 11, 2013
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Hey can you check the item website on newegg
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139012#top

On "overview" almost reaching the end of the page it says Sli ready with 4 pcie connectors and above that there is table with all connector types and it says it has 4. Did they mistake the old model for the new one ?
 

Notice how it states "HardwareHeaven Gold Award", HH reviewed the discontinued model, 3 years ago
http://www.hardwareheaven.com/reviews/891/pg1/corsair-hx650w-power-supply-introduction-packaging.html

Specs from the source
http://www.corsair.com/en/power-supply-units/hx-series-power-supply-units/hx-series-hx650-power-supply-650-watt-80-plus-gold-certified-modular-psu.html
 

Archex

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Jan 11, 2013
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Newegg has to update their product descriptions I almost bought this thing thinking it had four pci connectors. On 2 different places they state that it has 4. and if the old model was reviewed and given a gold award 3 years ago how can they place the gold award in the new model????
 

It's still an HX650 and marketing execs are swine ?
 


Seems like a cost cutting move (poorly thought out by Corsair),
8 molex (peripheral) and only 2 PCI-E doesn't make a whole lotta sense for
a unit marketed as professional.

If you are still interested in a quality unit, consider this:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817182263
nets to $80 after mir & 15% promo and is an outstanding psu.

Tom



 
Solution

If you look in Newegg's Image Gallery for that PSU you will see an image for the specifications label that shows MODEL: 75-001217 which is definitely the new model with only two PCI Express supplementary power connectors.

Another way of determining which version they're selling is to look at the +12 Volt continuous current rating. The new model has 54 Amps and the previous model only has 52 Amps.
 

Archex

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Jan 11, 2013
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Ended up getting this one. With all the discounts it came down to $70ish.
Thanks everyone for comments/ help.
 
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