Watt Requirement For my sistem

SurFac3

Reputable
May 26, 2014
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4,530
I have:
250gb HDD 5400 rpm
dvd rw (wich can be excluded)
x2 2gb ddr2 rams 400mhz
inter core 2 quad q9550 2.83 Ghz
R7 240 4gb OC (asus)
normal mouse and keyboard
dell inc 0y958c
windows 7 64 bits sistem
my cooler it from my premade pc Dell Inc Optiplex 960

Now my question is ,the only change now it the videoboard from hd 5450 to r7 240
im having an 255w psu wich acan hold my sitem right now
Will it hold the sistem with the new GPU,and if it wont,Will a 300W PSU hold it ?

I have Checked thiss website http://www.extreme.outervision.com/PSUEngine and ive got 222 W with my sistem (with new GPU) and aorund 260 W with 20% Capacitor Aging
 

tomr4lph

Reputable
Oct 21, 2014
204
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4,760
You'd be better off getting a better PSU. If you have high demand on the parts it WILL shut off with such a low power PSU. The r7 240's minimum recommended power supply is 400W.