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BenQ EL2870U 28" (Actual size 27.9") 3840 x 2160 4K Resolution 1ms 2x HDMI DisplayPort AMD FreeSync Built-in Speakers Flicker-Free Low Blue Light HDCP Support LED Backlit Gaming Monitor

In stock. Limit 5 per customer.
Ships from United States.
  • 3840 x 2160 4K Resolution
  • 1ms Response Time
  • 2 x HDMI (2.0), DisplayPort (1.4) Video Inputs
  • AMD FreeSync Technology
  • Built-in 2 Watt Speakers
  • 12,000,000:1 Dynamic Contrast Ratio
  • 1.07 Billion Color Support
  • Flicker-Free Technology
  • Low Blue Light Filter
  • HDCP Support
  • VESA Mount Compatible
BenQ Logo
28 inch 4K HDR Video Enjoyment Monitor | EL2870U Facing Forward with a Woman's Eye on Screen
BenQ 28" 4K HDR Video Enjoyment Monitor | EL2870U

  • 28" LED UHD
  • High Dynamic Range (HDR)
  • Brightness Intelligence Plus Technology

Every aspect of BenQ EL2870U is designed to deliver ultimate visual pleasure. 4K UHD resolution makes images come alive with incredibly sharp details while the combination of support for HDR and Brightness Intelligence Plus technology brings eye-dazzling brightness, contrast and vibrancy. Lightning-fast 1ms response time and AMD FreeSync technology ensure a tear-free, super smooth gaming experience with minimum lag. Exclusive eye-care technologies, including Low Blue Light and Flicker-Free, provide better protection for your eyes so you can enjoy longer gaming sessions with less strain.

28 inch 4K HDR Video Enjoyment Monitor | EL2870U on a Desk with London Bridge on Screen and Fireworks at Night
Breathtaking HDR Entertainment for the Ultimate Video Enjoyment

BenQ's EL2870U showcases High Dynamic Range for dazzling brightness with stark contrast for deep blacks and a wide color range for intense video performance.

28 inch 4K HDR Video Enjoyment Monitor | EL2870U on a Wooden Surface, Angled to the Right with Text and Graphics Pointing Out HDR, HDR with B.I.+ and HDR with B.I.+ Button

Elegant Ultra-Slim Design with Powerful Functionality

EL2870U brings HDR together with Brightness Intelligence Plus Technology (B.I.+ Tech.) to gently soften bright areas while keeping dark details crystal clear. EL2870U's simple hotkey switches between 4 levels of HDR and B.I.+ modes to balance maximum contrast and vibrancy and fully enjoy the splendid image performance of HDR while maintaining your viewing comfort.

Be in Awe of Clarity and Magnificence of 4K UHD Image

Enjoy extremely vibrant, precise and realistic images as well as much higher frame rates with 4K resolution. You will be amazed by the crystal-clear and details of the image and take advantage of the most advanced viewing experience.

Full HD 1920x1080 versus 4K 3840x1260 Comparison of an Image of a Computer Graphic Canyon from Another Planet with Two Planets in the Sky
Breakthrough Video Quality for Hyper Realistic Entertainment

4K HDR Support for Brilliant Brightness and Deep Contrast

High Dynamic Range (HDR) and Cinema HDR Mode increase the overall dynamic range between true black and bright white to resemble what your eyes see in the natural world.

To view HDR content, please use the provided HDMI cable, a high speed HDMI cable, or premium high speed HDMI certified cable.
HDR function supports HDR10 content.
For Non-HDR content, user can also activate HDR mode.EL2870U will provide emulated HDR performance for better viewing experience.

28 inch 4K HDR Video Enjoyment Monitor | EL2870U Angled to the Left Blending with an Image of a Parrot and Other Colorful Bird in a Moss-Covered Forest
Smoother and Intense Images for Full Gaming Enjoyment

AMD FreeSync™ for Intense Gaming

AMD FreeSync™ technology eliminates image tearing, broken frames, and choppy gameplay for incredibly fluid gaming. And refresh rate to bring out an ultra-smooth gaming experience, EL2870U is the gamer's dream monitor.

28 inch 4K HDR Video Enjoyment Monitor | EL2870U Angled to the Right with FreeSync On versus Off on a Graphic Image of Jets Flying Over Green Plains and Water
Fast 1ms GTG Response Time

Super-fast 1ms GTG response eliminates motion smear for smooth video and gaming. Fast-moving action and dramatic transitions render flawlessly without lag or ghosting. Enjoy immersive gaming and video entertainment without delay.

Images of a Man Running Angled in Towards One Another, the left image is blurrier
Universal Multi-Device Connectivity and Integrated Speakers

Enjoy expanded flexibility and superb HDR video quality from any source with one DisplayPort 1.4 and dual HDMI 2.0 ports while being immersed in powerful integrated audio.

28 inch 4K HDR Video Enjoyment Monitors on a Desk Facing Away from One Another, On the Screen of the Front One is an Image of Two armored Knights in Combat During a Yellow Afternoon by a Castle. The desk also has a game console and stack of CDs. There is a closeup hotspot image the HDMI 2.0 and DisplayPort 1.4 Ports
Specialized Modes for the Ultimate Video Entertainment

Super Resolution to Enhance Standard Image Quality

The EL2870U simulates high-resolution picture quality by increasing pixel density of low-resolution standard-definition content for astounding clarity.

28 inch 4K HDR Video Enjoyment Monitor Super versus Low Resolution of a Squirrel Eating at a Tree
Smart Focus to Bring Important Details to Life

Smart Focus highlights the selected window or area, helping users concentrate on the main viewing area by reducing distractions in the background.

28 inch 4K HDR Video Enjoyment Monitors Angled Towards Each Other Comparing Smart Focus On and Off
Caring for Your Eyes

Industry-Leading Eye-Care Technology

BenQ exclusive eye-care technologies reduce eye fatigue for user comfort, enhanced productivity and workplace safety during extended use.

Colored Drawing of a Girl Forming a Heart with Her Two Hands in front of a blue sky with the eye-care logo on screen
TUVRheinland Certified Badge
TUV Rheinland Certification

Global safety authority TÜV Rheinland certifies EW3270U's high-contrast 3,000:1, Flicker-Free, Low Blue Light and Brightness Intelligence Plus that's truly friendly to the human eye.

Brightness Intelligence Plus Technology

Reduce Eye Strain in Any Lighting Environment

Brightness Intelligence Plus Technology (B.I.+ Tech.) detects ambient brightness and color temperature to adjust display settings, with soothing warm white for comfort and cool white for productivity.

28 inch 4K HDR Video Enjoyment Monitor on a Wooden Desk, Next to a Window that is shifting from day to afternoon over a city landscape with a color temperature slider from 1000K yellow to 8000K blue below
Two Shots of a BenQ 28-inch 4K HDR Video Monitor on a Table Next to a Window during day and the other during night, below is a slider from light environment to dark environment
Colors Stay Original for Picture-Perfect Content

B.I.+ Tech. adjusts brightness to avoid overexposure and to enhance details in dark areas, preserving original color saturation and hue with smooth gradation.

28 inch 4K HDR Video Enjoyment Monitor | EL2870U Angled to the Right with a Male Volleyball Player Extending to Make a Play
Purple Light Bulb IconLow Blue Light Technology

Low Blue Light Technology is designed to filter out harmful blue light, effectively diminishing eye fatigue and irritation.

Easily switch to one of four preset Low Blue Light modes from the OSD hot key (Multimedia, Web-surfing, Office, and Reading) and reward your eyes without sacrificing visual enjoyment.

28 inch 4K HDR Video Enjoyment Monitor | EL2870U Angled to the Left with Different Windows Showing Multimedia mode, Web-surfing mode, Office mode and Reading mode
Flick-Free IconFlicker-Free

Upgraded to eliminate flickering at all brightness levels, BenQ monitors effectively reduce eye fatigue for user comfort and enhanced productivity.

Underwater shot of a dog swimming in water

Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Return Policies

  • Return for refund within: 30 days
  • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy