Major PSU replacement

[dottorrent]

Hello,
My psu (included with case bundle) is a CiT 500W basic. It is now making a rumbling noise with all 4 screws secured, tool-tight. Along with that, it is overheating my card sometimes, freezing on a different colour on the screen and becoming unresponsive. I seriously need a PSU and fast but there are 3 that suit me fine in my £50 budget. I will also mention that I am a casual gamer, playing the game as long as it runs fine. Here are the PSUs -

Corsair builder series CX500 V2 500W- http://www.ebay.co.uk/itm/Corsair-Builder-Series-CX500-V2-500W-Power-Supply-Unit-80-PLUS-Certified-/120973479366?pt=UK_Computing_PowerSupplies_EH&hash=item1c2a94cdc6&_uhb=1#ht_1708wt_1270

Antec High Current Gamer 400W - http://www.ebay.co.uk/itm/Antec-High-Current-400W-Gamer-Power-Supply-HCG-400-/170876987455?pt=UK_Computing_PowerSupplies_EH&hash=item27c90fe83f&_uhb=1#ht_1786wt_1037

OCZ coreXstream series 500W - http://www.ebay.co.uk/itm/OCZ-Technology-500W-CoreXStream-Series-Power-Supply-PSU-OCZ-CSX500W-UK-/130678858244?pt=UK_Computing_PowerSupplies_EH&hash=item1e6d112204&_uhb=1#ht_2824wt_1270

All are very well known brands, none are bin-worthy PSU's. Which one shall I choose?

 

[regularguy290]

i would go with the Corsair. they are very generous with their features and overall quality is just better.