While the design and specs suggest it's dedicated to design enthusiasts, its manual seems to imply otherwise. It has an easy to follow quick-start guide, but detailed specifications or features are not properly explained.
Once the box is opened, you find the monitor and a set of accessories, respectively: a DisplayPort cable, a DVI cable, power-cable / power-brick, and that's about it. On the packaging, it says S277HK supports 4K via HDMI 2.0, but unfortunately, there is no such cable included.
The assembly is simple. You can attach the aluminum base to two prongs and then tighten them together via the included thumbscrew.
The monitor is premium looking in everything from polish to specifications. Acer speaks of a zero-bezel design, and while a very thin (2mm) aluminum-like plastic side can be noticed, the monitor looks like it has no borders.
Unfortunately, adjustament options are almost missing. There is no swivel or rotate from the base, and all you can do is tilt the panel for about 25 degrees. You cannot even lower or raise the base. There's also no VESA mount support, so you will be essentially stuck with it as is.
This being a "professional" 4K monitor, there are several connectivity options available. Oddly enough, despite DVI not supporting 4K at 60Hz, a port for it still exists. The monitor also has 1x DisplayPort, 1xHDMI 2.0, and one mini-DP port included, all supporting the 3840x2160 resolution at a decent refresh-rate. 2x3.5mm headphone & Audio-In ports are positioned next to the HDMI / mini-DisplayPort.
Alas, while for most premium monitors USB docks have become a standard, Acer's S277HK has none.
Five control buttons run along the bottom right edge of the panel. There is no indication to let you know what you're pressing, but that's ok, since it doesn't matter which one you are pressing first, because they always display the same short menu.
Split into five tabs, the menu controls different controls: Profiles, PiP, display adjustments, volume controls, and signal source toggle.
The visual adjustments are split into four separate tabs, which may lead into deeper submenus. Here you can change contrast ratio, brightness, gamma, turn sRGB on or off, and more.
PiP mode allows the user to place different inputs simultaneously. You can toggle one as a small window on the screen space, or place two signals side by side.
While at first it might look intimidating or difficult to get by, S277HKwmidpp's OSD is really well done.
The faux brushed aluminum monitor houses an IPS panel coated with a semi-glossy anti-glare layer that thankfully doesn't add any grain to the image.
The IPS panel with WLED backlighting is able to support up to 1.07 billion colors, at a native resolution of 3840x2160, and 60Hz refresh rate. On paper, it has a static contrast ratio of 1000:1, and a brightness of 300cd/m2.