carlos e r vyjwdtrpcautelefonicanet begin pgp signed message hash sha1 thursday 20080214 2138 0100 per jessen wrote carlos e r wrote im thinking power measured input important important figures amperage capacity dc output lines thats power matched load measurements important ac side irrelevant somehow well reason looking ac side see real load im little disaapointed got convinced buy much bigger powersupply 350w would quite obviously enough still like said new one also much quieter pleasant think worth noting somewhat highend system like still uses barely 250w _full_ load still dont know new measurement gadgets trusted mean dont know bad another issue important thing power needed internal dc lines one said mb nowdays uses power 12 v line also video card uses dont know plus fans high speed drives sum close 10 amps 350w unit supply 10 instance really need higher wattage power supply need much power one lines uses much power case manufacturers change power distribution new ps amps 12 v line hypothesis might let see instance seagate barracuda st3250310as 250gb small disk nowdays top family 750 gb 8 heads datasheet table 12 dc power requirements long_line power dissipation 4disc values shown avg watts 25 c avg 5v typ amps avg 12v typ amps spinup 28 peak idle 930 0611 0520 idle offline activity 1040 0719 0567 operating 40 rw 40 seek 20 inop 1300 0772 0762 seeking random 20 idle 1260 0613 0795 standby 080 0106 0023 sleep 080 0106 0023 ie peak power spin 28 amps 12v line 08a avg maximum seeks power supply must able handle true mb uses also line problems course calculation done mb video card cheers carlos e r begin pgp signature version gnupg v204svn0 gnulinux id8dbqfhtmaittmyhg2nr9uraigcajwpcwswy456cxmeyktempt6mubcnqcfrtqq verq3ttppa0xcdaeo4jqnye smbg end pgp signature wed 06 aug 2008 032826 0100 opensuse ot much power pc really consume