The refresh rate is measured in hertz (Hz). Refresh rate: This refers to the number of times the display refreshes per second.You can choose an LCD panel built on IPS, TN, or VA technology or opt for cutting-edge OLED panels if the budget allows. Display and panel type: This is the major factor when it comes to quality and performance.The higher the pixel density, the better the image quality, as you’re less likely to see individual pixels. Pixel density: Measured in pixels per inch (PPI), pixel density describes how closely-packed the pixels are on the display.Your decision ultimately depends on your budget and available space. Larger, 32-inch and ultrawide monitors are also available. Smaller, 24-inch displays remain popular with gamers, and people who have minimal desk space. Size: Most displays are around the 27-inch mark.Higher resolutions, like 4K and 5K, require more powerful hardware. Generally, the higher the resolution, the better the image quality. Resolution: This is the number of pixels displayed onscreen at once, measured on two axes (e.g., 1920 x 1080).Here are some things to consider before you choose a monitor: Your budget will play a large role here, so first, decide what you want to spend, and which features are most important to you. If the monitor has integral DisplayPort cable or you want to more easily swap a DisplayPort cable among devices, you can opt instead for a Benfei adapter ($9.59), which plugs into a Mini DisplayPort jack and offers a female DisplayPort connection.First, you have to pick the right monitor for the job. You can purchase something like the AmazonBasics cable ($10.99 for the six-foot version) to plug into a monitor jack. Mini DisplayPort-to-DisplayPort adapter and cables remain readily available. However, if you plug a cable directly into an Apple Thunderbolt 2 port, it can be used to drive Mini DisplayPort-equipped monitors, as Apple notes on its lengthy ports page, a useful read for anyone trying to figure out compatibility across generations of Macs. (A rectangle with a vertical bar on each side indicates Mini DisplayPort, while a Lightning bolt signifies Thunderbolt 2.) That’s a problem when you try to connect a Thunderbolt 2 hard drive to an older Mac that only has a Mini DisplayPort connection. Mini DisplayPort and Thunderbolt 2 have the same connector type, but are different standards. (Find the specs for your Mac on the video dimensions it can output, however, to avoid the disappointment of spending the money on a monitor that you have to run at lower resolution than its maximum.) Because these standards incorporate backwards compatibility, you just need to find a way to connect a Mac with Mini DisplayPort or Thunderbolt 2 to a DisplayPort or HDMI connection.

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