5K USB Type C DP1.4 HDR Controller LCD Driver Board Kit For iMac A1419 LM270QQ1
The DP interface supports the DP1.1, DP1.2, and DP1.4 protocols support hard decoding of 5K @ 60HZ and 4K @ 144Hz signals. Notice for MacBook Pro 13" M1 users: Original data cable is not sufficient for 5K.