Dell UltraSharp 52 Thunderbolt Hub Monitor - U5226KW

https://www.pcmag.com/reviews/dell-ultrasharp-52-thunderbolt-monitor-u5226kw
https://www.dell.com/en-us/shop/del...6kw/apd/210-bthw/monitors-monitor-accessories

Diagonal Size​

51.5"

Resolution / Refresh Rate​

6144 x 2560 at 120Hz

Panel Technology​

In-plane Switching (IPS) Black Technology

Adjustability​

• Height
• Tilt
• Slant
• Swivel

Color Gamut​

• 99% DCI-P3 (CIE 1976)
• 100% sRGB (CIE 1931)
• 100% BT.709 (CIE 1931)
• 99% Display P3

Ports​

• 2 HDMI port/s (HDCP 2.2) (Supports up to 6144 x 2560, 120 Hz, VRR, , as specified in HDMI 2.1 (FRL))
• 2 DisplayPort 1.4 (HDCP 2.2) port/s
• 4 USB Type-A 10Gbps downstream port/s
• 3 USB-C 10Gbps upstream port/s
• 1 Thunderbolt 4 40Gbps upstream port/s (DisplayPort 1.4 Alt Mode, Power Delivery up to 140 W EPR)
• 1 RJ45 Ethernet port/s, 2.5GbE
• 1 USB Type-A 10Gbps downstream port/s with Battery Charging 1.2
• 2 USB-C 10Gbps downstream port/s, Power Delivery up to 27 W

Response Time Details

• 5 ms GTG (Fast)
• 8 ms GTG

Curvature
4200R

The top of the screen is almost 23" high at the lowest position on the stand. This is hard on the neck even with a low desk.

I love this. I think it's amazing! I'm so impressed that Dell made this.

I have a Sony 43" 4K and an older Dell 43" 4K display now. My 43" displays are an inch or so taller than this 52".
The height of mine are only a problem if I slouch way down in my chair. Otherwise, the height is perfectly fine. And slouching is bad for my back anyway. I don't really want to be slouching.
This 52" is much wider and curved. It's 4 feet wide.
I'd like to get one. If one of mine broke today, this is what I would get.

Mine finally came in today and I got it partially set up. Naturally I'm short a cable. All the upstream ports are USB-C, the Thunderbolt cable is fine but I need that for my work Mac and I don't have a USB-C or C to A cable that's long enough. The included USB C to A is a joke at ~1m. Once I get that cable I'll be able to use the built-in KVM. I'll lock the ethernet port to my work Mac, and just have the KVM move the mouse, keyboard and video back and forth. For now I'm just using the USB switch I had in my old setup and switching the inputs using the monitor controls. Extra cable clutter, but it works.

So far I think I'll be ok using this with scaling off. I'll probably increase some font sizes, but it seems ok for me. PPI is ~129 which is a little less than a 32" 4k scree at ~138PPI. I have pretty good eyes at monitor distance. As I've gotten older I've gotten a bit nearsighted and wear glasses when I'm driving mostly so I can read road signs from farther away, but other than that I don't need them much. Size seems pretty good. It's replacing a 43" 4k 60Hz Dell P4317Q that died on me. I was ok with the height of the 43" but thought it was about max. I also wished the 43" was wider. The U5226KW is just over an inch shorter and a bit over 10" wider. So far I like the size. I kinda wanted to get some other brand since the previous one died after 6.5 years. Not too bad but enough to make me want to give someone else a chance, but I didn't see anything else like this. I thought about a 57" Samsung G9, but wanted something taller. The G9 is only ~15.5" high. My dead 43" was 21" tall, and while I thought that was about max I wouldn't want to shave off 5.5" of height. The U5226KW also has more surface area than the G9, ~941 square inches vs. 846. G9 is sharper but I'm looking for text real estate for programming and I want more height.

I have it mounted on a Dell HDA26 heavy duty mounting arm. They have the no-stand version on sale for $2300 and the with stand version for $2720 as of this writing. If you buy the Dell arm the no-stand version is slightly cheaper, or of course you could get a 3rd party arm for a lot less than the $375 Dell wants for the HDA26 arm. When I ordered a couple weeks ago the stand version wasn't on sale but the no-stand model was the same $2300. Use a 3rd party HD arm and you can probably get this set up for ~$2400+tax. The Dell arm is nice though. No VESA mounting screws, it just clips into the screen like it's a monitor stand. The arm & screen support VESA mounting, you just don't need it when you pair them up. I'll keep the VESA plate for the arm... it'll probably outlast the screen. I didn't even have to adjust the tension on it. I'll probably adjust the side to side swivel to be a little looser, but other than that I think I'll leave it unless it's starts drooping on me. I'd suggest getting the no-stand version if you want one of these & either picking up a much cheaper 3rd party arm and saving a chunk of $ or getting the Dell arm. My old 43" was on a stand and was not fun to deal with when I had to plug something in and adjustments were quite limited. A decent arm has a much larger adjustment range which allows you to lift the screen up and tilt the bottom out to get at the ports much more easily. An arm arm also lets you lower it all the way down to desk level. So IMHO Dell arm = premium and still costs less than the with stand version right now, 3rd party arm = cheapest & works, stand version is left out in the cold.

I haven't tried gaming on it yet but I will. I bought it for work and it's really not a gaming monitor. It can do 120Hz and supports VRR (though not certified by NV or AMD), but the real problem is 5m gray-to-gray in fast mode. Plus 6144x2560 will try to melt my vid card. So my gaming will mostly stay on my OLED gaming monitor. Still, it's a new toy and I'll have to try it out even though I know it's going to lose in a lot of respects. But I'm sure I'll use it for some slow paced stuff (I like strategy games too) and of course I'm going to run some 6k/2.5k gaming benchmarks on it. 1.9x the pixels of 4k... I'm going to need DLSS. But yeah I'll run a CyberPunk 2077 path tracing in-game benchmark on it at full native res just to see what happens. 5090 will do it but I bet I get something like 15fps. ARC B580 testing might be more fun. I have one of those too Can it play a game at 6Kx2.5K and make it look ok? 5090 will do it. DLSS, maybe lower some settings, it'll be fine.

Now to go order that USB cable...

zandor - Please update! This looks very interesting. All of the PIP/PBP modes make this very tempting. I currently have a Samsung 43" 90F and Samsung 43" 90B displays. I share those between my Dell work laptop and my home PC with a 4090. The PBP would be great for a couple of MiniPCs for additional functionality (have Discord, Spotify, etc always accessible).

Anything in particular you want to know about it?

I haven't really played with the picture-by-picture or other modes of slicing it up. I've just been using the KVM to flip it between my work Mac and x86 desktop. I have the desktop hooked up over HDMI 2.1 and a 10Gb USB cable. The Mac just uses Thunderbolt. Both are running at 6144x2560@120Hz. I have the 2.5Gb ethernet port locked to the Thunderbolt input. The video and USB ports get switched with the input, but the ethernet can be locked to Thunderbolt. Note that it can only be locked to the Thunderbolt port.

Putting the screen in "fast" mode for 5ms response time seems to cause VRR flicker if you have the variable refresh rate enabled on the desktop. Just setting it for 120Hz fixes it. I didn't notice the effect when it was set for the default 8ms response time. So another ding for using this thing for gaming. On that note, I haven't gotten around to that yet. I'd only use this for games where it would actually be better than a 4k OLED or at least impressive size-wise and doesn't have any real negative impacts. But it's slow, has no HDR, and the resolution is massive. So --fps. For a non-photo/video work screen the picture is first class. "IPS Black" seems to deliver. It's not OLED inky black, but seems pretty good and better than any other IPS screen I've had. Probably overlaps with VA monitors.

I'm still running it at full resolution with scaling off, though I have adjusted font sizes in a few apps and occasionally zoom in on a web page. Takes a little more tweaking than a 100dpi screen but I'm still mostly ok with scaling off and I think this is better than using scaling.

The KVM can be operated using the joystick on the back of the monitor or you can control it with Dell Display and Peripheral Manager. There's no keyboard intercept like you get with a lot of external KVMs. It's either run DDPM or use the joystick. DDPM can be slow to wake up after a machine goes to sleep, but other than that seems to work pretty well. It's also kind of a must on a Mac if you don't want to run with scaling off. The next resolution down is 3840x1600, which is basically an "I have serious vision issues" mode on a screen of this size. DDPM adds a bunch more options. The built-in controls are the best I've seen on a monitor. Menus are laid out nicely, and it offers a set of customizable quick access settings. One tip with DDPM - if you have a Mac, set that up first before any Windows machines. Mac DDPM isn't as polished as Windows DDPM and it may get confused if you've already set things up. I set up Windows first, and then Mac DDPM managed to screw up my settings to the point that I had to reset to factory defaults using the built-in controls and set things up again. These screens do require a bit of setup. The main thing is you have to pair USB inputs with video inputs, except for the Thunderbolt input.