HD5770 - AMD ATI Radeon HD 5770 1GB GDDR5 PCIe 2.1 x16 Video Card
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Amazon.com: HP 680654-001 nVidia Quadro 2000D PCIe 2.1 x16, 1GB GDDR5 memory graphics card - With two DisplayPort and one Dual Link DVI-I connections : Electronics
XFX Radeon HD 6570 DirectX 11 HD-657X-ZDF2 1GB 64-Bit DDR3 PCI Express 2.1 x16 HDCP Ready Video Card - Walmart.com
Powercolor AMD Radeon HD 5770 1GB GDDR5 PCIe 2.1 x16 HDCP HDMI DP DVI [HD 5770] - $149.00 : Professional Multi Monitor Workstations, Graphics Card Experts