E means that the product is rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Regulation 2017/1369/EU. E GIGABYTE G24F, 23.8", 1920 x 1080 pixels, Full HD, 1 ms, Black GIGABYTE G24F. Display diagonal: 23.8", Display resolution: 1920 x 1080 pixels, HD type: Full HD, Display surface: Matt, Response time: 1 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in USB hub, USB hub version: 3.2 Gen 1 (3.1 Gen 1). VESA mounting, Height adjustment. Product color: Black https://wccftech.com/review/gigabyte-g24f-fhd-165-hz-gaming-monitor-review-an-affordable-freesync-g-sync-option/ Gigabyte has made quite a name for itself in the gaming monitor segment over the past few years. They are offering an extensive portfolio of options in their monitor segment, both Gigabyte, & the premium AORUS offerings. Ranging from curved to ultra-fast... The Gigabyte G24F is a very decent gaming monitor with good colors and a very appealing 170Hz design which is both Freesync and G-Sync compatible. The thing that makes it more appealing is its price which is around $160-$190 US at most retailers. This mak... https://monitornerds.com/gigabyte-g24f-review/ on AmazonThe Gigabyte G24F is a wallet-friendly gaming monitor that focuses on the performance it can offer more than anything else. It features a fast IPS panel and an overclocked 170Hz refresh rate for smooth performance and pristine colors. Let's... Affordable, Fast and Responsive, Decent Color Accuracy, FreeSync and G-Sync Compatible, Limited to Tilt and Height Adjustment, No Speakers The Gigabyte G24F is a great choice for gaming on a budget without sacrificing overall quality and performance. It offers a reasonably accurate IPS display that's fast and vibrant so most users can enjoy it right away. It lacks a few creature comforts, bu...