HDMI+VGA Controller Board Kit for 2560X1440 LM270WQ1(SD)(C2) LM270WQ1 SDC2 LCD LED screen Driver Board Diy monitor| | - AliExpress
WAVLINK USB 3.0 to DVI/VGA/HDMI Video Photography Adapter for Multiple Monitors up to 2560x1440 or 1920x1080 (Supports Windows 10, 8.1, 7, XP or Mac OS): Amazon.co.uk: Computers & Accessories