Create a highresolution 4k x 2k extension with HBR2 support between your Mini DisplayPortequipped devices Mini DisplayPort Male to Female 6ft Mini DisplayPort 1.2 Extension Cable Mini DP Extension Cable Mini DisplayPort 4k with HBR2 support Highresolution support of up to 4k x 2k (3840 x 2160) @ 60Hz a max HBR2 bandwidth of 21.6 Gbps