This GPU will work with my rig?

ThugRacer

Commendable
Aug 8, 2016
40
0
1,530
My rig
Processor : i3 550
Ram : 1x 2gb Samsung ddr3 1x transcend 4 GB ddr3
Psu : 300 watt Bestec model no. Atx0300f5wb
300w max. +5v 17 A. -12v 0.2a
+3.3 v 16 a
+3.3v and +5v. 125W max
Motherboard : Msi 2a9ch
Will r7 250x will work with my rig and pls tell me if my psu is 4 pin what I need to buy to do it 6 pin
Pic ofmy rig http://www.imgpaste.net/image/XEbGN
 
Solution
It will NOT work.

You need a real power supply, even the cheap as nuts evga 500W would be a huge step up in quality and actually be capable of powering your system

That poor computer... Clean out the dust in it!

Basroil's right. Your 300w PSU is not going to provide enough power for the R7 250X.

Edit: Correction, your 300w PSU does produce enough power on paper, but it has a limit of 18A on the +12v. Given the components in the computer I suggest an upgrade to it. Something in the 350w range (with two +12v rails or a single @ ~24A).
 


1) Those sites mean shit, none of them actually come close to the real consumption (most overshoot by a lot)
2) Your power supply is only 204W, if it even actually goes that high!

Seriously, you need a new power supply
 


Do you want to burn your house down?

Seriously, get a brand name if you want that system to last at all. Seasonic, even the 350W model that's $30, is what you should target, but at this point anything from Corsair, Antec, EVGA will also work
 
Trying not to knee jerk at that image and say "Burn it with fire!!!", so real talk now, the R7 TDP is workable on a 300W PSU. Tom's own benchmarks imply total system load, under load, around the 150w mark (http://www.tomshardware.com/reviews/radeon-r7-240-and-250,3717-9.html).

HOWEVER, 'Burn it with fire' may be exactly what happens when you hit the power button, as initial peak spike load could burn our your PSU. Not because it is 300W, but because it is (by the look of it) ancient and cheap. It is unlikely that 300W rating is remotely accurate, the 'cheap as nuts' EVGA remains the better option.
 


IT WILL NOT WORK. Do not spend money on that power supply. Your PSU supplies only 204W on 12V according to the label, and in reality it's likely only ~150W, which is not enough!
 

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