StarTech.com DisplayPort to DVI Dual Link Active Adapter - DisplayPort to DVI-D Adapter Video Converter 2560x1600 60Hz - DP 1.2 to DVI Monitor - USB Powered - Latching DP Connector (DP2DVID2)
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StarTech.com DisplayPort to DVI Dual Link Active Adapter, DisplayPort to DVI-D Adapter/Video Converter 2560x1600 60Hz, DP to DVI Adapter
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StarTech Male DisplayPort to Female DVI Dual Link Active Video Adapter Converter