Nvidia GeForce GTX 550 TI 1GB DDR5 PC Gaming Video Card Tested & Working | eBay
ASUS GeForce GTX 550 Ti (Fermi) 1GB GDDR5 PCI Express 2.0 x16 SLI Support Video Card ENGTX550 TI DC TOP/DI/1GD5 GPUs / Video Graphics Cards - Newegg.com
NVIDIA GeForce GTX 550 Ti Specs | TechPowerUp GPU Database