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Will my PSU handle my system upgrades?

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  • Power Supplies
  • Intel i7
  • Components
Last response: in Components
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November 15, 2011 4:39:08 PM

I have an Ultra X-connect X2 550-watt PSU that has served well for several years on my E7200 Core 2 Duo system.

I am planning to upgrade to a Core i7 based system - looking at the Asus Sabertooth X58 with a Core i7-950 (3.06 GHz), with 6GB Ram, add a 120GB SSD, plus use my old Seagate 500gb spinning HD, my old Radeon gfx card (for now), other basic stuff... CD/DVD, etc.

Will this 550-watt system be adequate for the Core i7 based system? Are there any increased power requirements with this board/cpu? Really, the only additional element is the SSD.

I know PSU selection can be tricky, but I'm hoping my old system will work ok. Does anybody see any problems?

Thanx!

For reference, my current system is:
Gigabyte GA-EP45-DS3L (BIOS F9)
E7200 Core2Duo 2.53Ghz 1066Mhz FSB 3MB L2 (OC to 3.2Ghz)
SuperTalent 2x2G DDR2-800 PC6400 CL 5-5-5-15 (T800UX4GC5)
Seagate 500GB SATA2 7200 32mb cache HD
Western Digital MyBook 1TB External USB HD
Asus EAH 5770 (ATI Radeon HD 5700 Series)
Ultra X-connect X2 550-watt PSU

More about : psu handle system upgrades

a c 275 ) Power supply
November 15, 2011 5:13:57 PM

Should be ok for a 5770.
Your unit is kind of old now.
Decent unit with a known issue of dropping loads on the 12v rail.
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November 15, 2011 6:57:57 PM

It sounds like you are familiar with this PSU. Do you think the connectors and outputs are adequate for the latest mobos like X58s? I have never had any problems with it on my current system, so not sure about the 12v rail issues. Will I run into problems if I upgrade my graphics card down the road?
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November 15, 2011 7:09:47 PM

That PSU should be fine as long as you dont get a really high end GPU and dont Overclock too much. if the PSU has more than 1 12V rail you could have issues though.
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a c 275 ) Power supply
November 15, 2011 7:56:26 PM

mxcrowe said:
It sounds like you are familiar with this PSU. Do you think the connectors and outputs are adequate for the latest mobos like X58s? I have never had any problems with it on my current system, so not sure about the 12v rail issues. Will I run into problems if I upgrade my graphics card down the road?

I think you'll be ok for your current plans.
The thing about your unit is it's a pre 2007 design and most of the power is supplied on the +3.3 and +5V which was fine back in the day.
That type of power distribution has since changed with newer boards.
I'd buy a new ATX 2.3V psu when you upgrade the gpu.
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November 15, 2011 9:01:26 PM

Ok, thanks guys...that's helpful guidance. I'll see how the old PSU works, but plan on upgrading to a 750w or similar in the future.
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November 16, 2011 11:34:05 PM

I have decided on Core i7 2600 and Asus P8P67 LE mobo. 2x4gb g.skill 1600 memory. and the Corsair 120GB SSD. My old gear will be a 500gb spinning HD and the Radeon 5700 gfx. If I were to upgrade the PSU now, can you recommend something that will suit? I really like the modular cable setup on the Ultra X2.

The manual for the X2 lists the following max loads:
+5v 30A; +3.3v 25A; +12v1 17A; +12v2 18A; -12v 0.8A; +5vsb 2.5A

I guess that means there is more than one 12v rail? Is that a problem for my new setup?
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a c 275 ) Power supply
November 17, 2011 12:11:24 AM

Nope,not a problem for your specs and a 5770.
I'll make some suggestions later for you.
Be aware most units are not fully modular like Ultra(which held the patent).
They'll be semi-modular.
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November 17, 2011 12:33:09 AM

Yeah, that fully modular cable selection is so cool...only use what you need, nothing else cluttering up the case.
I found this one: http://www.corsair.com/power-supply-units/enthusiast-se...
Not as nice in terms of modularity, like you said, but seems like a solid system.
I'll see if the X2 can pull it off and let you know. Might wait until later in the month to pull the trigger. Thanks davcon!
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a c 275 ) Power supply
November 17, 2011 12:53:29 AM

mxcrowe said:
Yeah, that fully modular cable selection is so cool...only use what you need, nothing else cluttering up the case.
I found this one: http://www.corsair.com/power-supply-units/enthusiast-se...
Not as nice in terms of modularity, like you said, but seems like a solid system.
I'll see if the X2 can pull it off and let you know. Might wait until later in the month to pull the trigger. Thanks davcon!

A 750W is always nice,but you'd only need a quality 650W imo.
A 650W will handle your specs with a much better gpu upgrade no problem.
$100 will get you a high quality 650W semi-modular unit no problem.
Here's some good units for example.
Seasonic M12II 620W
http://us.ncix.com/products/?sku=52176&vpn=M12II%20620&...
Corsair Professional HX650W
http://us.ncix.com/products/?sku=42532&vpn=CMPSU%2D650H...
A little more gets you an excellent 750W.
XFX 750W PRO750W XXX
http://us.ncix.com/products/?sku=62224&vpn=P1750BNLG9&m...
The Corsair and XFX are Seasonic built designs.
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November 17, 2011 12:55:52 AM

Ok, good feedback. Appreciate all your help.
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November 21, 2011 9:46:10 PM

Just for closure - I have decided to get the XFX 750w system right away. This will allow me to migrate my existing components, along with the Ultra PSU, to another case. This provides reliability for the old setup, plus gives me comfort that the new system will have plenty of power as it upgrade and/or OC.
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November 21, 2011 9:46:29 PM

Best answer selected by mxcrowe.
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