Gigabyte GV-N550WF2-1GI GeForce GTX 550 Ti 1 GB Video Card (GV-N550WF2-1GI) - PCPartPicker
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GIGABYTE GV-N550D5-1GI GeForce GTX 550 Ti Graphics Card - 1GB, GDDR5, PCIe, DVI-I, HDMI, D-sub, ATX, DirectX 11 at TigerDirect.com
Amazon.com: LBWNB Fit for Gigabyte GTX 550 Ti 1GB Video Card NVIDIA GTX550 550Ti 1GB Graphics Cards GPU Desktop PC Computer Game Video Card : Electronics