Dell unveils its curved 40-inch 5K monitor at CES, claiming 'five-star eye comfort'

It's almost time for CES, which means that, among many other things, there'll soon be a heap of new monitors vying for your attention. Dell is hoping that its new UltraSharp 40 Curved Thunderbolt Hub Monitor will stand out from the pack. Announced days before CES 2024 is set to kick off, this model is the "first 40-inch 5K monitor certified for five-star eye comfort," Dell claims.

Five-star eye comfort is a new industry standard stemming from TUV Rheinland. The aim is to highlight displays that help reduce signs of eye fatigue. Dell says it did three things to achieve this certification with the latest UltraSharp monitors. First, it doubled the refresh rate to 120Hz for smoother visuals. It incorporated an ambient light sensor, which allows the monitors to automatically adjust screen brightness and color temperature to match the light conditions. Dell cites studies suggesting this can help reduce the frequency of eye fatigue signs by up to 17 percent.


Last but not least, Dell says it upgraded its ComfortView Plus tech with the help of an advanced LED backlight to reduce blue light exposure from 50 percent to under 35 percent. This, too, can help reduce signs of eye fatigue.

None of that should diminish the monitor's performance. Dell says the UltraSharp 40 Curved Thunderbolt Hub has a 99 percent DCI-P3 / Display P3 color space and 1.07 billion colors. It's VESA DisplayHDR 600 certified and features IPS Black Panel tech and a 2,000:1 contrast ratio.

On the connectivity front, there's Thunderbolt 4 support with up to 140W power delivery. An Ethernet connection allows for speeds of up to 2.5 Gbps, while there are HDMI 2.1 and DisplayPort 2.1 ports. Dell notes that pop-out front-facing USB-A and USB-C ports should make it easy to connect and charge your devices.

Dell's UltraSharp 40 Curved Thunderbolt Hub Monitor and UltraSharp 34 Curved Thunderbolt Hub Monitor side-by-side on a desk.

If the 40-inch model is perhaps too much real estate for your needs, you might want to consider Dell's 34-inch variant. The UltraSharp 34 Curved Thunderbolt Hub Monitor also features TUV Rheinland five-star eye comfort certification, IPS Black technology and Thunderbolt 4 connectivity. It's not a 5K monitor, however, as it has a WQHD resolution of 2,560 x 1,440.

Both monitors will be available globally starting on February 27. The UltraSharp 40 Curved Thunderbolt Hub Monitor starts at $2,400 in the US and $3,290 CAD in Canada. The 34-inch model will run you $1,020 in the US and $1,400 CAD north of the border.

We're reporting live from CES 2024 in Las Vegas from January 6-12. Keep up with all the latest news from the show here.

This article originally appeared on Engadget at

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