GV-N550OC-1GI Gigabyte GeForce GTX 550 Ti 1GB GDDR5 PCI Express x16 2.0 Video Card
NVIDIA GeForce GTX 550 Ti Specs | TechPowerUp GPU Database
Amazon.com: ASUS GeForce GTX 550 Ti (Fermi) 1GB 192-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card, ENGTX550 TI DC TOP/DI/1GD5 : Electronics