The Acer B276H has a maximum contrast ratio of 100000000:1. That's over twenty times the contrast ratio of a 5000000:1 flatpanel monitor, which is the most common contrast ratio.
This PC display's contrast ratio (100000000:1) is actually the best contrast ratio amongst all comparable spec PC displays that have been available for more than a year.
Amongst similar types of PC display the worst contrast ratio is Mega Contrast.
We think you might also be interested in some of the other PC monitors that have a 100000000:1 dynamic contrast ratio currently available including because of it's better review score, the B326HKA, or the BX320HK both from Acer or the Asus PB279 ($499.00).