PSU Compatability Questions
Posted 26 May 2006 - 03:32 PM
Posted 26 May 2006 - 05:21 PM
What is it called?
It's got four wires going into it, like the molexes, but it's arranged in a square shape rather than all four in a line, like:
and it's connected to my motherbroad next to the fan.
Posted 26 May 2006 - 08:10 PM
All new power supplies always have this 4-pin power connector. Even the newest power supplies are "backward compatible" with older ATX motherboards.
A 250 watt supply is weak by today's standards but may be perfectly suitable for your motherboard.
If you are going to buy a new power supply the lowest wattage you should get is a 350 watt unit. You didn't mention what motherboard you have so getting a larger wattage supply is likely to be a waste of money unless you plan to use multiple hard drives and optical drives.
Posted 26 May 2006 - 09:04 PM
I was thinking of getting a Fortron 350w PSU w/ 120mm fan, looks solid enough. It's not gonna be drawing any serious power with the old parts in there. Even though I do probably tax it to its limit when I play WoW.
Posted 27 May 2006 - 09:33 AM
Are you thinking of buying a new power supply that will be used to power your system now and later on for a new system ? If so, then buy a power supply that is rated for more than 400 watts. I don't have a clue where you are but Newegg.com has several highly rated models in the 400 to 450 watt range that are available for less than about $60US.
400W LOGISYS Computer PS550ABK 2 FAN ATX12V
450W ROSEWILL RV450 ATX12V 450W 2 FAN
430W COOLER MASTER eXtreme Power RS-430-PMSR
430W Thermaltake TR2-430 W0070 ATX 2 FAN
400W FSP Group (Fortron Source) AX400-PN ATX12V
These supplies are not the big name brands (read: expensive) but they have been rated well by users. See the user reviews for each of the products.
Posted 27 May 2006 - 07:38 PM
EG if you have a branded system, such as HP or Tiny etc, or any system that is based on the micro ATX form factor, you may find that your psu is mATX/SFX. These PSU's are physically smaller than standard ATX & so a standard PSU may not fit in the case.
Posted 27 May 2006 - 08:49 PM
In any case, I think my family would rather appreciate if I left them with a working computer after I upgrade this summer, so I'll be buying 2 PSUs.
Posted 28 May 2006 - 09:17 AM
All aftermarket power supplies like the ones you are going to buy are strictly standard and interchangable. But, that won't do you any good with your present system if it won't fit in the case or plug into the motherboard.
Posted 28 May 2006 - 09:34 AM
The 4 pin power connector you mentioned - if the 4 pins are arranged in a square shape (i.e 2 rows of 2), then this is the ATX12V connector that supplies the cpu power.
If the pins are arranged in 1 row of 4, i.e [o o o o], then this will be an auxilary connector.
Posted 28 May 2006 - 07:41 PM
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