Amazon.com: GTX550Ti 3GB Gaming Graphics Card, 192Bit GDDR5 PCI Express 2.0 Graphics Card, with DVI VGA Interface, Dual Cooling Fan, Support for DirectX11 API for CUDA 3.0 : Electronics
EVGA - Articles - EVGA GTX 550 Ti
EVGA GeForce GTX 550 Ti (Fermi) Video Card 02G-P3-1559-KR - Newegg.com
EVGA's GTX 550 Ti "free performance" evaluation - AlienBabelTech
Tech ARP - The NVIDIA GeForce GTX 550 Ti Tech Report