I have a 250 watt psu how do i know what type it is and will a radeon 9550 work on
a 250 PSU, also I need a pc2700 type of ram but I opened my computer and saw that
the ram inside it was 6 memory chips I checked pcworld.co.uk for ram and they all had
8 memory chips what should i do and is Jeantech a known brand of psu.