PSU 500W for GTX 460 (what is 12v line and amps needed?)?

Hello,
just bought this GTX 460 , i got a 500W PSU :
Matrix 500W
+5v : 4.0A
-5V: 0.5A
+12V: 2.0A
-12V: 0.5A
+3.3V:28V
+5VSB: 2.0A

I see on forums ppl talking about 12v lines and amps and that made me confused cauz i dont know what is that( Is it really important?)

I m ganna buy a molex>pcie 6 pin convertor tomorrow so i test this card, i really need to know if the amps and 12v line is important or it's just about how many watts the graphic card need?
Do i need to buy a new PSU or my PSU is fine?
18 answers Last reply
More about 500w what line amps needed
  1. Sorry for double post my spec are
    Motherboard:Biostar 945GC-M7 TE
    CPU:Core 2 duo 2.9 ghz
    RAM:3 GO
    Graphic:GT 8500 (ganna change it to GTX 460)

    Plz help me i posted on other forums some ppl say it ll work fine and some others say you need a new PSU and i really dont have $$ left :C
  2. ummm I wouldn't trust that PSU with any modern computer, as the -5V rail should not be there on any recent PSU, it was phased out in 2003

    http://en.wikipedia.org/wiki/ATX_PSU#ATX12V_1.3
  3. Here are the *real* specs for your PSU, I have no idea where you got the info you posted above.

    Your Matrix 500W PSU will power the GTX460 just fine.
  4. I found them on the PSU i typed all the info on it D: i dont understand them either lol if someone can tell me wht do i need to check bfr buying a new PSU (dont post picture of them we have so few PSUs in here :C) i ll be so thankfull and ty for who replyed already
  5. mindless728 said:
    ummm I wouldn't trust that PSU with any modern computer, as the -5V rail should not be there on any recent PSU, it was phased out in 2003

    http://en.wikipedia.org/wiki/ATX_PSU#ATX12V_1.3


    Your first clue that the specs he posted are sheer BS was the "+12V: 2.0A " rating... 2.0A? Really?

    That's why google is your friend. His supply doesn't have a -5Vdc output.
  6. kimouk said:
    I found them on the PSU i typed all the info on it D: i dont understand them either lol if someone can tell me wht do i need to check bfr buying a new PSU (dont post picture of them we have so few PSUs in here :C) i ll be so thankfull and ty for who replyed already


    So, does your Matrix 500W PSU say "Sunbeam" on it? If it does, the link I posted is all the information you need and the supply will work fine for your application.
  7. JeauxBleaux said:
    So, does your Matrix 500W PSU say "Sunbeam" on it? If it does, the link I posted is all the information you need and the supply will work fine for your application.


    I dont see any link on your post ^^
    And i see no Sunbeam on it
  8. kimouk said:
    I dont see any link on your post ^^
    And i see no Sunbeam on it


    Oops... http://www.sunbeamtech.com/PRODUCTS/Power-supply/500matrix-power-supply.html
  9. kimouk said:


    Yeah, I'd lose that supply in the nearest landfill and find something else. I'm not sure how they get away with using Sunbeamtech's "Matrix" moniker, but c'est la vie...

    Can you possibly take a picture of the text on the supply and post it?
  10. Easy way to find out, does it have 2x PCI=e 6=pin power connectors? If not, toss it.
  11. http://img20.imageshack.us/img20/1733/88152731.jpg
    Sorry cant remove it now.
    @Zero:It doesnt but i guess tomorrow i ll buy an other one so should i just search for +500W PSU with 2x PCI=e 6=pin power connectors?
  12. lol...omg...that is 2a on the 12v rail

    ya that psu is keee-rap

    most modern cards require 20+ amps on the 12v
  13. Are you sure it's 2A? cauz i really dont think there are PSUs made with 2A on 12v lol wht kinda of crap is this XD mabe they ment 20A (2.0A=20A) doesnt make since but i dont really understand these things :pt1cable:
  14. kimouk said:
    http://img20.imageshack.us/img20/1733/88152731.jpg
    Sorry cant remove it now.
    @Zero:It doesnt but i guess tomorrow i ll buy an other one so should i just search for +500W PSU with 2x PCI=e 6=pin power connectors?


    That's one thing you could go by. Or you could just settle for something proven that works. Here's a cheap but quality PSU's that can handle a GTX460.

    Antec VP450 450W - $39
  15. http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-460/specifications

    Quote:
    Thermal and Power Specs:
    Maximum GPU Tempurature - 104C
    Maximum Graphics Card Power - 160 W
    Minimum System Power Requirement - 450 W
    Supplementary Power Connectors - 6-pin & 6-pin
  16. Watts = volts x amps 12v x 2a = 24 watts not likely in a computer psu
  17. JeauxBleaux said:
    Your first clue that the specs he posted are sheer BS was the "+12V: 2.0A " rating... 2.0A? Really?

    That's why google is your friend. His supply doesn't have a -5Vdc output.


    1) he posted the specs, didn't feel like trying to find a no brand PSU through googling, sometimes doesn't work out so well
    2) I figures the either the 2A 12V was a typo or the 5V 4A (thinking it would be 40A), as with a -5V rail that could be possible
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