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Ports & Slots
Model - Dell U2721DE, Shape - Widescreen, Display Size (Inch) - 27 Inch, Display Type - 2K IPS Display, Panel Type - IPS, Touch Screen - No, Display Resolution - 2560 x 1440, Aspect Ratio - 16:9, Pixels Per Inch (PPI) - 109PPI, Display Surface - Anti-Glare, Maximum Brightness (cd/m2) - 350 cd/m2, Contrast Ratio - 1,000:1, Refresh Rate (Hz) - 60Hz, Adaptive-Sync Technology - No, Bit Depth / Color Support - 8-bit (16.7 Million), Response Time (ms) - 8ms (Normal), 5ms (Fast), Horizontal Viewing Angle - 178 degree, Vertical Viewing Angle - 178 degree, High Dynamic Range (HDR) - No, DVI Port - No, VGA Port - No, HDMI Port - 1, DisplayPort (DP) - 2, Mini DisplayPort - No, USB - 4 x USB 3.0, Thunderbolt - 1 x USB Type-C, Headphone Jack - Yes, Speaker (Built-in) - No, Power Consumption - 160W (Max), Operating Temperature - 0 degree C - 40 degree C, Height Adjustment - 0 - 130 mm, Swivel Adjustment - -40 degree - +40 degree, Tilt Adjustment - - 5 degree - 21 degree, VESA Wall Mount Standard - 100 x 100 mm, Lock Slot - Yes, Weight - 4.19 kg, Dimensions - 355 x 612.2 x 39mm, Specialty - 1 x RJ45, Warranty - 3 year, Country of Origin - USA, Made in/ Assemble - China
Since you will spend a huge chunk of your day looking at the screen, it is crucial to find a monitor best fits your needs. Without a good display, whatever you do on your PC will seem dull, whether you’re into gaming or any other stuff of your choice. There are tons of features and options to look out for when buying a monitor, so a close look is required beforehand.
Quick buying tips
Choose as per your need. If you are a gamer, you should look for a fast refresh rate and low response time. Professionals should seek color accuracy and for general use, users with less specific needs often opt for a monitor with high contrast VA panel.
Higher resolution for better picture quality. Resolution refers to the monitor's pixel density in length x width format. 1920x1080, also known as 1080p or full HD (FHD), is the baseline for a modern PC build. You’ll experience sharper images on a QHD or 4K monitor.
Required resolution for gaming: More pixels produce better pictures. But if you’re into gaming, those pixels can slow you down unless you have a beefy enough graphics card. Most video interfaces don’t support refresh rates faster than 60 Hz for 4K/UHD or 5K signals. Video interfaces are just beginning to support higher refresh rates at 4K resolution, but you still need a very expensive graphics card play at 4K resolution and push past 60 frames per second (fps).
The current sweet spot seems to be QHD/2K (2560x1440) resolution. With monitors up to 32 inches, you see the good density and a detailed image that isn’t too difficult for mid-priced graphics cards to handle.
If you want ultimate speed, FHD (1920x1080) delivers the highest frame rates (you won't find gaming monitors today with lower resolution). But avoid stretching that resolution past 27 inches, as you may notice a dip in image quality, with pesky individual pixels being visible.
Bigger is better. The refresh rate is described as a number in Hz, where the number is how many times your monitor refreshes per second. In other words, it's the frame rate of the monitor: the higher the number the smoother things will look. If you’re a gamer, the refresh rate is especially important, and you’ll want a monitor with at least 75Hz (most monitors designed for gaming offer at least 144Hz), combined with the lowest response time you can find. If you’re not into gaming, a 60Hz refresh rate should do.
Shorter is better. If you are a gamer, response time is a crucial feature for you. Longer response times can mean motion blur when gaming or watching fast-paced videos. The highest response time you’ll likely see is 5ms, while the fastest gaming monitors can have a 0.5ms response time.
Today’s LCD panels use three major technologies: twisted nematic (TN panel), vertical alignment (VA panel) and in-plane switching (IPS panel). Each has several variations with different advantages. TN monitors are the fastest but cheapest due to poorer viewing angles. IPS monitors have slightly faster response times and show color better than VA panels, but VA monitors have the best contrast out of all three-panel types.
G-Sync or FreeSync
Gaming monitors usually have Nvidia G-Sync (for PCs with Nvidia graphics cards) and /or AMD FreeSync (for the right running AMD graphics). Both reduce tearing and stuttering, although G-Sync monitors usually cost more than FreeSync ones.
G-Sync monitors operate from a 30 Hz refresh rate up to the monitor’s maximum. FreeSync displays are not as consistent. FreeSync monitors usually support adaptive refresh up to a monitor’s maximum refresh rate. But it’s the lower limit you must consider.
Regardless, if your budget only has room for a low-to-mid speed graphics card, you’ll want a monitor with either G-Sync or FreeSync with a low minimum refresh rate.