HP Elitebook 840 G7 144Hz video output - HP Support Community - 8394175
4K HDMI Cable Right Angle 90 Degree (10FT) - High Speed 18GBPs HDMI Wire Cord Support 4K 60Hz 2K 2160p 1440p 1080p 3D ARC/eARC Ethernet For Video Gaming Xbox One PS4 &
Which Cable Do I Need For 144Hz? [Everything You Must Know]