Dell intros Mac-friendly UltraSharp 40 Curved WUHD (5K2K) monitor

Dell this week introduced several new monitors, including the Mac-friendly UltraSharp 40 Curved WUHD (5K2K) monitor. The UltraSharp 40 or “U4021QW” is the world’s first 40-inch ultrawide curved monitor with a 5120×2160 resolution, also known as WUHD or 5K2K.

Dell UltraSharp 40 Curved WUHD Monitor (U4021QW)
Dell UltraSharp 40 Curved WUHD Monitor (U4021QW)

Joe Rossignol for MacRumors:

This is not a true 5K resolution and instead works out to around 140 PPI, which is equivalent to a 32-inch 4K display, but with 33% more viewing space.

With a 21:9 aspect ratio, the UltraSharp 40 is ideal for users who want lots of screen real estate within a single display, but without compromising on resolution… The UltraSharp 40 is one of the only ultrawide monitors with a “4K” resolution, with most having a lower QHD resolution of 2560×1440.

A built-in Thunderbolt 3 port allows the UltraSharp 40 to be connected to a compatible Mac with a single cable, and the monitor can power a MacBook Pro with up to 90W of pass-through charging. Other connectivity includes two HDMI 2.0 ports, a DisplayPort 1.4 port, three 10Gbps USB-A ports, one USB Type-B upstream port, an Ethernet port, and a 3.5mm headphone/audio jack on the back of the monitor, plus one 15W USB-C port and another 10Gbps USB-A port on the bottom of the monitor for quick access.

Dell says the UltraSharp 40 is a 10-bit display that covers 100% of the sRGB and 98% of the DCI-P3 color spaces, producing 1.07 billion colors. However, for a high-end monitor, peak brightness is relatively low at 300 nits.

MacDailyNews Take: Guess Mikey is glad Apple didn’t follow his stupid advice. We wouldn’t connect a Dell anything to our Macs for any price*.

We currently very happily driving dual 4K displays (LG 27UK850-W units, $449.97 at Amazon) when at our desks with 16-inch MacBook Pro units (AMD Radeon Pro 5500M 8GB).

*But, feel free to test our resolve, Mikey, given your access to enormous sums.


  1. “Dell says the UltraSharp 40 will be available beginning January 28, with pricing starting at $2,099.99 in the United States.”

    I’ve got a dual monitor setup, and find it surprisingly not as helpful as I thought it would be. I keep the second monitor off most of the time. The need to be close to one monitor keeps the other out of view, so it is always too far away in the corner of my eye.

    It’s off for tabbed web surfing, writing and art, on for video editing and using discord and d20 at the same time.

    1. Hopefully Apple will be introducing a cheaper, 1/2 the price of the current XDR monitor this year, Apple curated monitors have always been better than the 3rd party devices.

      A M1x or M2 Apple computer will be bought as soon as it comes out, can’t wait I need to move on from a 2011 iMac.

  2. So, not true 5K but, will videos like this be brighter, colorful and crisper?

    This was just the beginning of the vile hatred of this country towards one man. Beyond the pale of the usual hatred one side gives to the other depending on what color jersey is in power in the Swamp.

    But the bigger question I have, is not about this monitor, but to Apple and Tim Cook, Why, with threatening comments like that, does Madonna have a spot on your iTunes? Why, are her songs still for sale? Why, was she not deplatformed? Show me where Apple addressed Modonna regarding her “TOS” when she speaks at protests against certain people in such a manner?

    Does the UltraSharp 40 Curved WUHD (5K2K) monitor have internal speakers that will allow consversations like from this person (see time stamp 5:17) to come in loud and clear or do you need to purchase external speakers?

    But the bigger question I have, this also not about this monitor, but to Apple and Tim Cook, Why, has such inciteful divisive comments like that by her was she never deplatformed by Twitter. And is still there on Twitter today, and because of that, why is the Twitter App still on The App Store? Show me where you addressed Twitter regarding their TOS allowing people like that, to speak at protests against certain people in such a manner?

    Still waiting…

    1. Talk about a one-track mind! Does EVERYTHING revolve around Lyin’ Donnie?

      That reminds me, I’m starting a pool on how long it takes for iiPOTUS (or is that twiPOTUS) to start bragging about how the crowd at his inauguration was bigger than Biden’s. My money’s on Jan 22.

      1. You’re not even a one-track mind. You’re just a spur!

        I’d take that bet but libs squelch on bets they lose when it’s their money on the line. Other people’s money, they happily piss away. But should you win, congrats, but don’t forget 10% for “The Big Guy”! Joe needs to adorn his basement with presidential regalia, to convince himself, it’s real, though it’s really not, Then he’ll put a lid on his day so he won’t have to mumble his way through softball questions from the White House Press Corps fluffers and other media masturbators #MeToobin.

    2. But to be respectful to your outmost suffering, however, you sound like a whining Socialist rather than what I judge you to be: A die in the wool “Don’t Tread on Me” Libertarian.”

  3. I’m neither and who says I’m suffering. This is so much fun to point out the hypocrisy of the Left and there is so much to point out. Have you been keeping track of Biden’s lies? That’s the ONLY thing Biden will win over Trump. Now, let’s hope Dementia Joe can last out his term, provided Barry lets him and Touched in the HEAD Biden doesn’t get Touched by an Angel and vise-versa, after all, we are talking about Biden and pray he doesn’t get impeached by God like Cummings and Conyers did. It will make his 80 million shadow voters and supporters deeply upset.

    1. You lost and now you are going crazy, as expected. You can’t handle the truth because you have not heard it for about five years. Apparently, we need to develop a dementia vaccine,

      Don’t crawl back into your hole to hide until 2024. Stay out in the open where we can keep an eye on you and make sure you are doing OK.

      Thanks for the new record deficit of well over $2T, by the way. Great work, Donnie!

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