please tell me

[Divakar Choudhary]

I HAVE A FX 6100 NVIDIA GTX 550TI GIGABYTE 990XA(FOR FUTURE UPGRADE OF FX8100) 4GB CORSAIR VENGENCE 1600MHZ RAM ZEBRONIC CABINET 1 SSD(60GB) +2HDD (2TB+3TB) A 600W COOLERMASTER PSU CAN ANYONE SUGGEST ME THAT I WANT TO BUY ONE MORE GTX 550TI FOR SLI DOES I HAVE TO UPGRADE MY PSU OR IT CAN HANDLE IT

 

[Pinhedd]

it's to the left of your A key

 

[acid1drinker]

I HAVE A FX 6100 NVIDIA GTX 550TI GIGABYTE 990XA(FOR FUTURE UPGRADE OF FX8100) 4GB CORSAIR VENGENCE 1600MHZ RAM ZEBRONIC CABINET 1 SSD(60GB) +2HDD (2TB+3TB) A 600W COOLERMASTER PSU CAN ANYONE SUGGEST ME THAT I WANT TO BUY ONE MORE GTX 550TI FOR SLI DOES I HAVE TO UPGRADE MY PSU OR IT CAN HANDLE IT

Sell your 550ti and buy a GTX 650ti boost instead

 

[envy14tpe]

Based on your specs. 990 mobo and 600W PSU. You can run 2 x 550ti.
http://www.realhardtechx.com/index_archivos/Page362.htm

The only issue I see is that the 550ti is 1GB. If you can get a second one at a cheap price then do it. Otherwise sell it and get one 2gb GPU.