HP's new M-Series monitors filter out blue light but leave your colors intact
Say goodbye to blue light without saying goodbye to accurate colors.
What you need to know
- HP announced three M-Series monitors at CES 2021.
- The M24f, M27f, and M32f have three-sided borderless designs.
- The three monitors should be available in March 2021 starting at $139.
HP announced three new M-Series monitors at CES 2021. The new monitors, the M24f, M27f, and M32f, all feature three-sided borderless designs and are built with eye safety in mind. All three new M-series monitors should be available in March 2021 with a starting price of $139.
All three monitors are FHD and feature many of the same specifications, including a 75Hz response rate and100 percent sRGB color accuracy. Sizing is the largest difference between the monitors, though there are some other variations, such as the M32f having a response time of 7ms compared to the 5ms response time of the M24f and M27f.
| Category | HP M24f | HP M27f | HP M32f |
|---|---|---|---|
| Screen size | 23.8 inches | 27 inches | 31.5 inches |
| Resolution | 1920x1080 | 1920x1080 | 1920x1080 |
| Refresh rate | 75Hz | 75Hz | 75Hz |
| Aspect ratio | 16:9 | 16:9 | 16:9 |
| Panel type | IPS | IPS | IPS |
| Bit depth | 8 bit | 8 bit | 8 bit |
| Brightness | 300 nits | 300 nits | 300 nits |
| Contrast ratio | 1000:1 | 1000:1 | 1000:1 |
| Response time | 5ms | 5ms | 7ms |
| Ports | HDMI 1.4 VGA | Two HDMI 1.4 VGA | Two HDMI 1.4 VGA |
| Color | 99% sRGB | 99% sRGB | 99% sRGB |
| VESA | No | No | No |



Each monitor has low-blue light technology that doesn't affect their color accuracy. They also all have an Eyesafe certification. HP highlights that these are the first Eyesafe certified monitors made with recycled ocean-bound plastics. Each monitor is made with 85 percent post-consumer recycled plastic and has 100 percent recycled packaging.
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Sean Endicott is a News Writer at Windows Central, where he covers Windows 11, Surface hardware, Microsoft 365, AI, apps, and the broader PC ecosystem. Since joining the site in 2017, he has written well over a thousand articles across the Microsoft landscape, covering breaking news, analysis, and feature reporting.
He writes Windows Wrap, a weekly column covering the biggest stories in Windows and the PC industry, and what they mean for the platform going forward.
Before joining Windows Central full-time, Sean worked in journalism and media production after earning a First Class degree in Broadcast Journalism from Nottingham Trent University. Outside of tech, he is an award-winning American football coach based in Nottingham, England, and was named BAFCA Youth Coach of the Year in 2024.
