CableCreation Mini DP to HDMI AV HDTV Male to Female Adapter $3.99 + Delivery ($0 with Prime/$39 Spend) @ CableCreation AmazonAU

Handy to keep in the toolbox. Possibly all time low (though the camel has missed previous lows as have bought for around $5 before and there is often a voucher to bring it down to around $6)

Supports 4K x 2K Resolutions. Mini DP Port supports DP v1.2, which is for 1.62 Gbps, 2.7 Gbps, 5.4 Gbps link rates; HDMI Port supports v1.4, and the resolution of 4Kx2K@30Hz（cannot 4Kx2K@60Hz ）, 1920 x 1200，1080p(Full HD), 720p, and flawless audio pass-thru for uncompressed digital 7.1, 5.1 or 2 channels.

【Difference between Active and Passive】Passive only supports to connect one monitor, but active supports multi-monitors. NOTE* This item is passive and non-bidirectional..