Amazon.com: NVIDIA Quadro 400 512 MB Professional Video Graphics Card, Replacement For Lenovo 0A36535, PNY VC7400-PB, HP LD542AA LD542AT, Dell HWGX0, DDR3 PCI Express Gen 2 x16 DVI-I DL and DisplayPort Open
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GeForce 400 series - Wikipedia
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Galaxy NVIDIA GeForce GTX 460 (60XMH6HS3HMW) 768MB GDDR5 SDRAM PCI Express x16 Graphic Card for sale online | eBay
Leadtek Ready with GeForce GTX 400 Series Graphics Cards | TechPowerUp
Specs and Prices of NVIDIA Fermi GTX 400 Finally Revealed