iXBT Labs - i3DSpeed, August 2011 - NVIDIA GeForce GTX 560 Ti 1024MB 256-bit GDDR5 (822/1644/4000 MHz)
EVGA GeForce GTX 500 SuperClocked GeForce GTX 560 Ti (Fermi) Video Card 01G-P3-1563-AR - Newegg.com
Zotac Video Card Geforce Gtx 550 Ti 1gd5 Gddr5 192bit Graphics Cards For Nvidia Gtx 500 Series Map Gtx550ti 1gd5 Dvi Vga Used - Graphics Cards - AliExpress
Nvidia Geforce GTX 560 Ti
Tech ARP - The NVIDIA GeForce GTX 550 Ti Tech Report