psu

[schmuckpussy]

How much power does a psu have to give these days. Is 400w a lot or is that the minimum


It's the beat that will not be denied

 

[Crashman]

Power supplies are never rated accurately, and the most important part, the 12v rail, can be strong on some supplies and weak on others. I recommend a brand name unit to begin with. Fortron is your best buy, Enermax is very good, and Antec's True Power series is good (but expensive). There are a few other reputable makers such as Sparkle Power (uses Fortron), Herolchi, and Aopen, along with some premium supplies, but most of the rest are of dubious quality.

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[jamisont]

I recommend Enermax over Fortron
fortron
http://www.newegg.com/app/ViewProductDesc.asp?description=17-104-966&depa=1

enermax
http://www.newegg.com/app/ViewProductDesc.asp?description=17-103-408&depa=1

Most important part on PSU is now A on +12v (since pentium4 CPU uses 12v instead of 5v)
same price but enermax has 26A on +12v, Fortron has 16A (still good enough)

basically Pen4+ comp needs at least 290 watt (cpu, mobo, agp, 2pci, cd-rw, dvd-rom) and 15A on +12v. (so 16A is good enough unless you add more led lights and fans, those uses 12v as well)

I did some research and found mobo uses 0.3 A on +12v,fan 0.15~0.25A, harddisk 2A, dvd-rom 1.1A, cd-rw 0.8A, (about 6.7A total) Pen4 CPU about 8A total 14.7A(athlon xp 1800+ 6.87A, 2100+ 7.49A)