ASUS GTX660 TI-DC2O-2GD5 G-SYNC Support GeForce GTX 660 Ti 2GB 192-Bit GDDR5 PCI Express 3.0 x16 HDCP Ready SLI Support Video Card GPUs / Video Graphics Cards - Newegg.com
NeweggBusiness - GIGABYTE GeForce GTX 660 2GB GDDR5 PCI Express 3.0 x16 SLI Support Video Card GV-N660OC-2GD
MSI GeForce GTX 660 Ti HAWK Spotted in 3-Way SLI Action - Features 2GB Memory