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Why Dell using low wattage PS for some comps?

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January 19, 2004 7:16:36 PM

I was looking through dell support site and I happened to notice some of the PS thier systems have. Thier 8300 system, that support 3.2 ghz cpu, has a 330w PS. Scroll down and power section and look at it here:
<A HREF="http://docs.us.dell.com/docs/systems/dim8300/sm/specs.h..." target="_new">http://docs.us.dell.com/docs/systems/dim8300/sm/specs.h...;/A>

Anyhow I went on check on other system and I found out thier small version of the dual xeon 450 system has only a 360W PS! <A HREF="http://docs.us.dell.com/docs/systems/ws450/en/ug/info.h..." target="_new">http://docs.us.dell.com/docs/systems/ws450/en/ug/info.h...;/A>.

Some of thier comp actually have biggest PS. But it sure seem those PS are too low wattage, espcially that 450 system. Are they using super good PSes or something?

More about : dell low wattage comps

January 19, 2004 7:39:22 PM

A certified 330W power supply is all you need to run even a game system with a Burner a separate DVD and 2 hard drives.

Power your high end graphics card a PCI host bridge card for an external or internal Sound Rack and up to 20 USB and 4 Fire Wire ports.

You can throw into that 2 com ports COM1 and COM2 plus peripherals such as FAX/Scanners and printers.

If you are using a home P.C that requires more then 330 Watts to function then you are using hardware components not found in a home P.C......Besides each type of power supply is different internally aside from the Watt's Rating a power supply can handle Voltages and Amperages differently and have many internal channels for power distribution. Since a Power supply in a computer is working in a Parallel circuit design you can slave in many extra power connectors and not even use up the power supply base rating.

An Example of a higher end power supply is the Enermax Series EG365P-VE FCA and the EG465P-VE FCA Supporting Intel P4 & AMD XP and K8 CPU's
Intel ATX 2.03 / ATX 12V Ver 1.2 Compatible + 12V & Aux Power Connector. Solutions for EPS 12V & AMD ATX-GES

Both of those power supplies have built in fan speed control knob and 2 separate fans one intake and one exhaust fan. The primary Exhaust fans has a power lead from the power supply chassis that is connected to the power fan 3 pin jumper on the main board and controls the exhaust fan and the intake fan in the bottom of the chassis has a Thermistor Diode that is stuffed into the heat sink that controls the Fan speed based on CPU heat dissipation needs.

ALL OF THAT IN A yes you guessed it a Certified 330 Watt power supply.

More then you would ever need and on the flip side of all that if you wanted a battery back-up system in case of a Power failure where you live it would cost you many BIG CLAMS for an EPS that would support a P.C requiring more then 330 Watts to function.


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January 20, 2004 4:32:35 AM

Most retail power supplies are rated at peak output. Dells have always been rated at continuous output as far as I know. Most high end machines barely draw more than 200W continuously.

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