This is Dell's cheapest 27-inch monitor, and it shows in what you get. The resolution is 1080p, which on a screen this big makes individual pixels visible if you sit close — fine for casual use, but text won't be as crisp as smaller 1080p screens or higher-resolution displays. Think of it as a TV-sized monitor for basic computer tasks.
The 75Hz refresh is barely faster than standard 60Hz screens, so don't expect gaming smoothness. Colors are decent enough for everyday browsing and watching videos, but nothing is tuned or calibrated — what you see is just whatever comes out of the box.
It's cheap for a reason. If you need a big second screen for having a browser window open or watching something while you work, it does that. Just don't expect sharpness or gaming performance.