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Dell UltraSharp U4025QW with 40″ 5120 x 2160 IPS Black Panel and 120Hz Refresh Rate

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Dell have today announced a new 40″ ultrawide screen in their popular UltraSharp range. The U4025QW features an IPS Black technology panel, with a 5120 x 2160 “5K” resolution and is being promoted as the “Worlds first 40-inch 5K monitor certified for five-star eye comfort“. It also offers a 120Hz refresh rate, higher than previous screens of this size and higher than the first generation IPS Black panels which is great news.

Dell UltraSharp U4025QW Specs

The new screen is 40″ in size (39.7″ to be precise) with an ultrawide WUHD resolution of 5120 x 2160. It is built around an LG.Display IPS Black technology panel, which offers improved black depth and contrast ratio compared with traditional IPS panels. This also offers a 2000:1 contrast ratio, 178/178 viewing angles, 10-bit colour depth and a wide colour gamut with 99% DCI-P3 coverage. The screen will also feature hardware calibration support which is possible via Dell’s Color Management software.

The screen also conforms to the VESA DisplayHDR 600 certification and so offers some basic edge-lit local dimming for HDR, along with a peak brightness of 600 nits.

Connectivity including DisplayPort 2.1 (?) and Thunderbolt

There is an impressive range of modern connectivity options available here, with the screen offering Thunderbolt 4 for single-cable convenience with up to 140W power delivery. It also supports high-speed wired Ethernet connectivity at 2.5 Gbps via RJ45, along with HDMI 2.1 (with the higher FRL, Fixed Rate Link, bandwidth) and also apparently DisplayPort 2.1 although the bandwidth and capabilities are not listed for this. It’s not clear if this will truly offer the new UHBR bandwidths of DP 2.1, or whether it will just be DP 1.4 in disguise as we know that the DP 2.1 spec does not (oddly) require the new bandwidths at all. DP 1.4 with DSC would have sufficient bandwidth to power 5120 x 2160 @ 120Hz and 10-bit still.

KVM support is also included along with PiP and PbP modes. The stand offers tilt, height and swivel adjustments.

A smaller 34″ model will also be launched – U3425WE

f you’re looking for a smaller size display, the new Dell UltraSharp U3425WE will be available with WQHD resolution of 3440 x 1440 and offers many of the same great features including TUV Rheinland five-star eye comfort certification, IPS Black technology, 2000:1 contrast ratio, 120Hz refresh rate, ambient light sensor, and Thunderbolt 4 connectivity with up to 90W power delivery.

Five-star Eye Comfort certified

Dell are the first to have TUV Rheinland five-star eye comfort certification, a new industry standard for eye comfort to help reduce signs of eye fatigue. Dell was the first to meet this new industry standard by achieving three things: 1) they doubled the refresh rate from 60Hz to 120Hz for the panel, 2) they’ve added an ambient light sensor in to the screen, and 3) they’ve focused on reducing the blue light output from the LED backlight further.

Pricing and Availability

The 40″ U4025QW will be priced starting at $2,399.99 (US) and $3,289.99 (CA) and will be available globally beginning February 27, 2024. The smaller 34″ U3425WE will be priced starting at $1,019.99 (US) and $1,399.99 (CA) and will be available globally beginning February 27, 2024 also.


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