Cable Matters 4K DisplayPort to DisplayPort Cable 2m (DP to DP Cable) with 4K (3840 x 2160@60Hz), 2K (2560 x 1440@144Hz) support - 2 Metres: Amazon.co.uk: Computers & Accessories
DisplayPort Cable v1.3 / v1.4 Laptop PC to TV Monitor Lead 8k 4k 1.8 Metre | eBay