ST USB32DPES2: USB 3.0 to DisplayPort adapter, 4K 30Hz at reichelt elektronik
USB-C - DisplayPort変換アダプタ 4K/60Hz USB Type-C(オス) - DP/ディスプレイポート(メス)の商品詳細 | SYNNEX STORE
Amazon.co.jp: USB C DisplayPort Converter Cable, USB-C to DP Cable, 5.9 ft (1.8 m), Type C to DisplayPort DP Converter, Maximum Resolution: 3840 x 2160, Supports 4K@60Hz, Macbook Pro, iMac, Chromebook Pixel,