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HP U28 4K HDR Monitor

Earn 1X HP Rewards Points
Protect your Device with an HP Care Pack
Product # 1Z978AA#ABA
Experience the best quality while producing your best creative on this 28” 4K[1] HDR monitor. Whether you're creating for web, print, or photography, ensure your content is seen exactly as you intended. With factory color calibration, enjoy color accuracy you can count on. Now, you can always stay comfortable while working with height adjustability and swivel capabilities. Plus, you’ll always be keeping the environment in mind when designing with a display built with recycled ocean-bound plastics[2].

Picture-perfect details

It’s the details that make all the difference. Built with an IPS panel, HDR and wide viewing angles, this 4K[1] monitor lets you create picture-perfect content as clear as the eye can see.

True-to-life color

Get your creative juices flowing using a monitor that’s optimized and ready to create with factory color calibration for color accuracy you can trust. Take your content to the next level with presets like sRGB and Display P3. Plus, with HP Eye Ease, enjoy an always-on blue light filter that doesn't impact color accuracy.

Designed for a clean, customized workspace

Customize your workspace around your creative needs. Now you can produce your best content and stay comfortable with full function adjustability. Plus, create a clutter-free space by using a single USB-C®[3] cable to plug into multiple devices.

Create with a small carbon footprint

Create towards a smaller carbon footprint using a display that’s built with recycled ocean-bound plastics equating to more than 3 plastic water bottles[2]. And one step further, even our packaging is sustainably sourced and recyclable[4].

Technical details

Display type


Display features

On-screen controls; Low blue light mode; Anti-glare

Onscreen controls

Exit; Information; Management; Input control; Menu control; Brightness+; Image; Color

Native resolution

4K UHD (3840 x 2160)[1]

Resolutions supported

1024 x 768; 1280 x 1024; 1440 x 900; 1600 x 900; 1920 x 1080; 1920 x 1200; 2560 x 1440; 3840 x 2160; 640 x 480; 720 x 400; 800 x 600

Contrast ratio



400 nits

Pixel pitch

0.116 mm

Response time

4ms GtG (with overdrive)

Signal input connectors

1 HDMI 2.0; 2 USB Type-C™ (DisplayPort™ 1.2, power delivery up to 65 W); 1 DisplayPort™ 1.2; 3 USB-A 3.1 Gen 1


1 DisplayPort™ 1.2

Audio Port

1 Headphone Out Combo Jack


1 HDMI 2.0


3 SuperSpeed USB Type-A 5Gbps signaling rate

USB Type-C® Video Input

1 SuperSpeed USB Type-C® 5Gbps signaling rate (up to 65W USB Power Delivery, Alt Mode DisplayPort™ 1.2)

Ethernet Port


Sustainability Impact

Arsenic-free display glass; Low halogen; Mercury-free display backlights; TCO Certified


No integrated camera

VESA Mounting

100 mm x 100 mm

Power supply

100 - 240 VAC 50/60 Hz

Dimensions (W X D X H)

25.08 x 1.7 x 14.61 in


14 lb

What's in the box

Monitor; DisplayPort™ cable; HDMI cable; USB Type-C™ cable; Warranty card; External power supplier; Product notice; AC power cable


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HP U28 4K HDR Monitor is rated 4.5 out of 5 by 131.
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Rated 5 out of 5 by Anonymous from Excellent Monitor Very high quality monitor. The resolution is the highest and colors and contrast perfect. Makes reading text for long periods of time less strenuous. It Is an eyes saver. The incorporated connection hub in the back makes connectivIty to external devices easy and saves you another device taking space in your desk. The fully adjustable support is well designed and I love the fact that lowering the monitor up and down is so easy. I just wished that for it will include speakers.
Date published: 2023-05-24
Rated 5 out of 5 by CTVS from Great Value Good companion for my wife’s MacBook Pro.
Date published: 2023-03-14
Rated 5 out of 5 by WeltonMedia from BIG difference from my previous monitor I'm a photographer and videographer and before I bought this I was using a generic monitor that I got on sale, no frills. I purchased this monitor because I was anticipating pairing it with an HP gaming computer but it arrived pretty quickly so I hooked it up to my laptop while I await the computer. Wow. BIG difference and very hi-def and true color. My editing quality and accuracy has improved and there are so many more menu options than a generic monitor. Definitely worth the price!
Date published: 2023-02-08
Rated 5 out of 5 by rockman30 from Great for Photo/Video Editing Great for Photo/Video Editing
Date published: 2023-02-05
Rated 5 out of 5 by HotRodRandy from Great work/creative monitor Very sharp, easy on the eyes, and just the right size to forego a dual monitor setup. 4k webcam and other components pass data thru just fine through the USB-C rear dock as well. Great monitor.
Date published: 2023-01-21
Rated 5 out of 5 by Anonymous from Great Monitor This monitor is exactly as expected, it works great and I'm loving editing video on the screen.
Date published: 2023-01-18
Rated 5 out of 5 by JSkaggs from Excellent Monitors for the Price I bought two of these monitors to replace my older Samsung 4K monitors. When I fired up the HP monitors and put them next to my older Samsung monitors the difference was immediately apparent. The colors were more vibrant and the picture quality was sharper. Not that the Samsung monitors are bad, they just can't compete with the HP monitors with HDR. I would highly recommend these monitors to anyone who needs to replace their monitors.
Date published: 2022-12-27
Rated 5 out of 5 by DWAZ from Love It! Love the style, crisp color and clarity of this monitor. Also really like the smooth and simple style of the stand. I really like that they tilt, swivel and can be turned vertically. One of the best features, is how easy you can use the joystick toggle in the back of the monitor to make changes. Lightyears easier than my old monitor. Love this monitor, would purchase it over and over again!
Date published: 2022-12-16
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What is the color depth? 10-bit or 8-bit?

Asked by: lasabine
Hello and thank you for your question! The HP U28 4K HDR monitor has 8-bit color depth.
Answered by: Grant from HP Team
Date published: 2023-05-27

Does this monitor display UHD at 50Hz? I have some UHD Samsung Monitors that will only accept UHD at 30 and 60Hz, so need to be sure 50Hz works before purchase.

Asked by: Anonymous
Depending on the input to the display, this HP U28 4K HDR Monitor will display at up to 60Hz refresh rate. Thanks for the question!
Answered by: HP Team Grant
Date published: 2023-05-10

I have a motherboard which can power the screen through the USB-C upto 35w. Can I power this monitor through the UBB-C concurrently woth the display?

Asked by: Athanas
Thank you for your question! The HP U28 4K HDR Monitor draws the power for the display from the included AC adapter. The HP U28 4K HDR Monitor can then keep a laptop charged, if the laptop has the proper USB-C Power Delivery Port, via the built-in USB-C ports. The USB-C ports on the monitor deliver power to other devices.
Answered by: HP Team Grant
Date published: 2023-05-27

Can I use the USB C to the monitor from my MAC Mini MI ?

Asked by: steve1914
Thank you for your question! That would depend on the input ports on the Mac Mini. If the MacMini doesn't have an HDMI port then an adapter cable would be necessary.
Answered by: HP Team Grant
Date published: 2022-04-29

is this monitor compatible with specter BAng 7 Olufsen laptop?

Asked by: cristusha
Thank you for your question! This HP U28 4K HDR Monitor will be compatible with any laptop using USB-C or HDMI as a display output. This will be compatible with the HP Spectre.
Answered by: HP Team Grant
Date published: 2023-05-27

Since there are USB-C, HDMI, and USB-A ports on the monitor - will it work as a hub in form of KVM? E.G. I connect both my desktop PC and Mac 16" to each their display port, and then connect my keyboard and mouse to the USB-A, will I be able to switch?

Asked by: MagnusKofod
Thanks for your question! This will require a KVM Switch. If you plug in a USB mouse and keyboard it will not switch to a new device when you switch a new video input.
Answered by: HP Expert Grant
Date published: 2021-11-22

Is it ok that the bottom part of the monitor gets noticeably warm? Not hot to touch, but you can feel it's pretty warm?

Asked by: bob12333
Hi and thanks for your question! Please visit our HP Support Page for help in resolving this technical issue. Online Support: For technical support with this product, visit HP Customer Support http://support.hp.com. Social Media Support: To find solutions, ask questions, and share tips, join us on the HP Support Community at community.hp.com, on Twitter at twitter.com/HPSupport, and Facebook at facebook.com/HPSupport.
Answered by: HP Team Grant
Date published: 2023-05-27

What is the range of tilt and range of swivel?

Asked by: Miya
Thanks for your question! The HP U28 4K HDR Monitor has a tilt of -5 to +23° and a height adjustment range of 120MM.
Answered by: HP Team Grant
Date published: 2023-05-27
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Return and exchange information
HP.com will accept returns or exchanges for this product up to 30 days after delivery. A restocking fee may apply. For details, please visit: https://www.hp.com/us-en/shop/cv/returnsandexchanges.