A:AnswerAccording to the user manual, the height with the screen in the lowest position is 14.96 inches, so just about 15 inches. Looks like it will be close but it will fit. I have mine mounted on a dual monitor desk mount or else I would personally measure for you!
A:AnswerIt comes with HDMI only. It supports up to 144hz, but 120hz with gsync. Not a major problem, I've been using it without gsync and haven't noticed much tearing.
A:AnswerWhy is HP now saying this is not VESA mountable? All the previous questions regarding VESA mountable are that yes, it is mountable. Also, the specifications say that it is VESA mountable.
A:AnswerNo built-in speakers, you'll need to hook up your own separately through the 3.5mm port on the monitor or your PC. I use a small soundbar with mine (Bomaker Tapio I), it was cheap and sounds good enough, definitely better than any built-in speakers that's for sure.
A:AnswerThat appears to be an error in the specs. The brightness of the screen is 350 nits, which converts to 350 candela per square meter. I've documented it so they can change the specs on the Best Buy page.
A:AnswerThanks for asking! According to the user manual, the height with the screen in the lowest position is 14.96 inches, so just about 15 inches. The highest setting is about 19". The stand is about 14" tall.