EVGA NVIDIA GTX 550 Ti PC Graphics Card (1 GB GDDR5) - TESTED 381120867361 | eBay
PNY GeForce GTX 550 Ti (Fermi) 1GB GDDR5 PCI Express 2.0 x16 SLI Support Video Card VCGGTX550TXPB GPUs / Video Graphics Cards - Newegg.com
NVIDIA GeForce GTX 550 Ti SLI Review and Benchmarks - YouTube
NVIDIA GeForce GTX 550 Ti Specs | TechPowerUp GPU Database
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
EVGA GeForce GTX 550 Ti (Fermi) DirectX 11 Video Card - Newegg.com - Newegg.com
EVGA GeForce GTX 550 Ti (Fermi) 2GB GDDR5 PCI Express 2.0 x16 SLI Support Video Card 02G-P3-1559-KR GPUs / Video Graphics Cards - Newegg.com
New Portable GTX 550 Ti 6GB GDDR5 192 Bit Direct Graphics Card ,PCI Express 2.0 16X with Twin Cooling Fan for Games