# Dell UltraSharp U4025QW

9 Hacker News commenters recommended Dell UltraSharp U4025QW and 0 criticized it, November 2025 to November 2026. It was recommended in 2 of 13 months.

**Verdict:** Praised for picture quality, size, Thunderbolt connectivity and a built-in KVM for a Mac and two PCs. Caveat: some units have coil whine.

## Why people recommend it

- Thunderbolt connectivity and 2.5GbE (3 comments): "my Dell U4025QW works just fine with it over Thunderbolt at 120Hz VRR" ([source](https://news.ycombinator.com/item?id=47235985)) "extremely satisfied with the picture, size, look and connectivity" ([source](https://news.ycombinator.com/item?id=47243750)) "40" Ultrawide 5k2k@120hz with Thunderbolt 4 built-in and 2.5Gbe." ([source](https://news.ycombinator.com/item?id=47242972))
- Built-in KVM between Mac and PCs (2 comments): "mine is so close to perfect as a KVM between a Mac and 2 PC’s, if only the KVM had one more USB output port" ([source](https://news.ycombinator.com/item?id=46655183)) "It's fantastic and the built in KVM is great." ([source](https://news.ycombinator.com/item?id=46654518))
- Picture quality with IPS Black panel (2 comments): "IPS Black panel which is a vast improvement over what I had before" ([source](https://news.ycombinator.com/item?id=46651748)) "extremely satisfied with the picture, size, look and connectivity" ([source](https://news.ycombinator.com/item?id=47243750))
- 40-inch 5K2K at 120Hz (2 comments): "extremely satisfied with the picture, size, look and connectivity" ([source](https://news.ycombinator.com/item?id=47243750)) "40" Ultrawide 5k2k@120hz with Thunderbolt 4 built-in and 2.5Gbe." ([source](https://news.ycombinator.com/item?id=47242972))

## What people warn about

- Coil whine on some units (1 comments): "It is a great monitor, but mine has some coil whine unfortunately." ([source](https://news.ycombinator.com/item?id=47244676))
- KVM lacks one more USB port (1 comments): "mine is so close to perfect as a KVM between a Mac and 2 PC’s, if only the KVM had one more USB output port" ([source](https://news.ycombinator.com/item?id=46655183))

## Alternatives hackers recommend

- [Apple Studio Display](https://hackerapproved.com/p/apple-studio-display.md): 65 recommend
- [Dell UltraSharp 52 Thunderbolt Hub Monitor](https://hackerapproved.com/p/dell-ultrasharp-52-thunderbolt-hub-monitor.md): 27 recommend
- [LG UltraFine Evo 6K monitor](https://hackerapproved.com/p/lg-ultrafine-evo-6k-32-inch-monitor.md): 17 recommend
- [Apple Pro Display XDR](https://hackerapproved.com/p/apple-pro-display-xdr.md): 16 recommend
- [LG UltraFine 5K](https://hackerapproved.com/p/lg-ultrafine-5k-monitor.md): 16 recommend

## Where to get it

- [See price on Amazon](https://www.amazon.com/s?k=Dell+UltraSharp+U4025QW+40+inch+Ultrawide+monitor&tag=hackerapprove-20) (affiliate link)
- [Official site](https://www.dell.com/en-us/shop/dell-ultrasharp-40-curved-thunderbolt-hub-monitor-u4025qw/apd/210-bdsx/monitors-monitor-accessories)

## Cite as

Hacker Approved, "Dell UltraSharp U4025QW", https://hackerapproved.com/p/dell-ultrasharp-u4025qw/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).