Monoprice Mini DisplayPort 1.2a / Thunderbolt to 4K HDMI Passive Adapter, Black - Monoprice.com
PremiumCord adaptér DisplayPort - HDMI Male/Female, support 3D, 4K*2K@30Hz
Amazon.com: StarTech.com DisplayPort to HDMI Adapter - 4K 30Hz Active DisplayPort to HDMI Video Converter - DP to HDMI Monitor/TV/Display Cable Adapter Dongle - Ultra HD DP 1.2 to HDMI 1.4 Adapter (