pk power new global 19v ac/dc adapter replacement compatible with asus vg278 series vg278q 27" eye care gaming led-lit monitor, ms227 ms227n 22" led lcd monitor 19vdc power supply pk power pk power new global 19v ac/dc adapter replacement compatible with asus vg278 series vg278q 27" eye care gaming led-lit monitor, ms227 ms227n 22" led lcd monitor 19vdc power supply