what is the white pin on my graphic card
http://www.flipkart.com/galaxy-nvidia-geforce-gtx-660-2-gb-ddr5-graphics-card/p/itmdhkpzhj4gcshd?pid=GRCDHKPND9ZWX5CQ&cmpid=content_graphics-card_8965229628_gmc_dyn&tgi=sem,1,G,9226359,d,,content,30988581140,none,,,c,,,www.tomshardware.com,boomuserlist%3A%3A2358140,,,&gclid=CPm0ueqc97sCFfFz4godQw0A2g
http://s818.photobucket.com/user/salman538/slideshow/
http://www.flipkart.com/galaxy-nvidia-geforce-gtx-660-2-gb-ddr5-graphics-card/p/itmdhkpzhj4gcshd?pid=GRCDHKPND9ZWX5CQ&cmpid=content_graphics-card_8965229628_gmc_dyn&tgi=sem,1,G,9226359,d,,content,30988581140,none,,,c,,,www.tomshardware.com,boomuserlist%3A%3A2358140,,,&gclid=CPm0ueqc97sCFfFz4godQw0A2g
http://s818.photobucket.com/user/salman538/slideshow/