StarTech.com 15ft (4.6m) DisplayPort to VGA Cable Active Adapter 1080p Video DP Monitor 1.2 Converter Latching Connector (DP2VGAMM15B)

Zoro Tools

StarTech 15ft Mini DisplayPort to VGA Adapter Converter Cable mDP to VGA 1920x1200 Black The DP2VGAMM15B 15ft active DisplayPort to VGA converter cable lets you connect your DisplayPort-equipped desktop or laptop directly to a VGA monitor or projector at a longer distance than a standard-length cable would support, while saving the expense of additional adapters. Plus, because the converter cable supports video resolutions up to 1920x1200 you can convert a DisplayPort video source to VGA without sacrificing video quality. The DP2VGAMM15B is backed by a 3-year StarTech.com warranty and free lifetime technical support.

Amazon

Connect a DisplayPort-equipped PC to a VGA monitor/projector with a 15 ft long cable Compatible with DP enabled Desktop and laptop computers such as EliteBook Revolve 810 and VGA monitors and projectors Supports video resolutions up to 1920 x 1200 DisplayPort to VGA adapter cable/DP to VGA converter cable Connect your PC directly to your display at greater distances with a 15 ft cable and built-in adapter