Dell U4021QW 40 " gray
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Dell U4021QW 40 " gray
Screen size:40 "
Resolution:5120x2160 (21:9)
Panel:IPS, response 5 ms
Frequency:60 Hz
Contrast:1 000:1
Brightness:300 cd/m²
Functions:PBP, Flicker-Free
Connectors:HDMI, DisplayPort, USB C, Thunderbolt, LAN
High-quality professional 39.7" 5K (21:9 aspect ratio) curved monitor with flawless colour fidelity, Thunderbolt interface and built-in high power stereo speakers (2x9W). It is positioned as a product of the top price category in 2021, designed to solve a wide range of professional tasks related to the processing of vector / raster graphics and video materials. Easily cope with any office tasks (texts, tables, presentations, web content, business graphics).
Suitable for designing engineering systems in CAD / CAE packages and working effectively in integrated software development environments. The Dell U4021QW monitor is based on a full ten-bit IPS-matrix with a resolution of 5120x2160 and Flicker-Free-LED backlight. Such a hardware platform provides a decent level of brightness, good static contrast ratio, wide colour gamut (98% DCI P3) and comfortable viewing angles. Connects via HDMI 2.0, DisplayPort 1.2 or USB-C (DisplayPort Alt Mode). Equipped with a built-in USB 3.2 hub that supports the technology of accelerated charging of gadgets. Reliable stand allows you to adjust the height, angle and rotation of the screen.
All specifications
Specifications U4021QW
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The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Dell 2025 - new arrivals, bestsellers, and the most relevant models Dell.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Dell 2025 - new arrivals, bestsellers, and the most relevant models Dell.
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Series Dell U Series (premium)Compare using chart →
for graphics, 27 ", 2560x1440 (16:9), IPS, response 8 ms, 120 Hz, HDMI, v 2.1, DisplayPort, USB 3.1, CalMAN Verified, TÜV Rheinland
27 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, HDMI, DisplayPort, USB C, Power Delivery, LAN, USB 3.1, KVM-switch
for graphics, 27 ", 2560x1440 (16:9), IPS, response 8 ms, 120 Hz, HDMI, v 2.1, DisplayPort, USB C, Thunderbolt, Power Delivery, LAN, USB 3.1, KVM-switch, CalMAN Verified, TÜV Rheinland
for graphics, 31.5 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, HDMI, DisplayPort, USB C, Power Delivery, LAN, USB 3.1, KVM-switch, HDR, TÜV Rheinland
for graphics, 39.7 ", 5K, 4K, 5120x2160 (21:9), curved 2500R, IPS, response 5 ms, 120 Hz, HDMI, v 2.1, DisplayPort, USB C, Thunderbolt, Power Delivery, LAN, USB 3.1, KVM-switch, speakers, HDR, TÜV Rheinland
for graphics, 42.5 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, HDMI, v 2.1, DisplayPort, USB C, Power Delivery, LAN, USB 3.1, KVM-switch, speakers
for graphics, 34 ", 3440x1440 (21:9), curved 1900R, IPS, response 8 ms, 120 Hz, HDMI, DisplayPort, USB C, Thunderbolt, Power Delivery, LAN, USB 3.1, KVM-switch, speakers, TÜV Rheinland
for graphics, 30 ", 2560x1600 (16:10), IPS, response 5 ms, 60 Hz, HDMI, DisplayPort, USB C, Power Delivery, LAN, USB 3.1, TÜV Rheinland
for graphics, 31.5 ", 6K, 6144x3456 (16:9), IPS, response 5 ms, 60 Hz, HDMI, v 2.1, mini DisplayPort, USB C, Thunderbolt, Power Delivery, LAN, USB 3.1, speakers, webcam, HDR
23.8 ", 1920x1080 (16:9), IPS, response 8 ms, 120 Hz, HDMI, DisplayPort, USB C, Power Delivery, LAN, USB 3.1, KVM-switch, TÜV Rheinland
for graphics, 32 ", 4K, 3840x2160 (16:9), Mini LED IPS, response 6 ms, 60 Hz, HDMI, DisplayPort, Thunderbolt, USB 3.1, HDR, CalMAN Verified
23.8 ", 1920x1080 (16:9), IPS, response 8 ms, 120 Hz, HDMI, DisplayPort, USB 3.1, TÜV Rheinland
for graphics, 49 ", 5120x1440 (32:9), curved Curved screen, IPS, response 5 ms, 60 Hz, HDMI, v 2.1, DisplayPort, USB C, Power Delivery, LAN, USB 3.1, KVM-switch, speakers
for graphics, 40 ", 5K, 4K, 5120x2160 (21:9), curved 2500R, IPS, response 5 ms, 60 Hz, HDMI, DisplayPort, USB C, Thunderbolt, LAN, USB 3.1, KVM-switch, speakers
24 ", 1920x1200 (16:10), IPS, response 5 ms, 60 Hz, HDMI, DisplayPort, USB C, LAN, USB 3.1
for graphics, 34 ", 3440x1440 (21:9), curved 1900R, IPS, response 5 ms, 60 Hz, HDMI, DisplayPort, USB C, Power Delivery, LAN, USB 3.1, speakers
31.5 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, HDMI, DisplayPort, USB C, Power Delivery, LAN, USB 3.1, speakers, webcam, HDR, TÜV Rheinland
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SimilarCompare using chart →
for graphics, 39.7 ", 5K, 4K, 5120x2160 (21:9), curved 2500R, IPS, response 5 ms, 72 Hz, HDMI, DisplayPort, USB C, Thunderbolt, Power Delivery, USB 3.1, speakers, AMD FreeSync, HDR, TÜV Rheinland
for graphics, 39.7 ", 5K, 4K, 5120x2160 (21:9), curved 2500R, IPS, response 4 ms, 75 Hz, HDMI, DisplayPort, USB C, Thunderbolt, Power Delivery, LAN, USB 3.1, speakers, webcam, VESA Adaptive-Sync, HDR, TÜV Rheinland
for graphics, 39.7 ", 5K, 4K, 5120x2160 (21:9), curved Curved screen, IPS, response 4 ms, 75 Hz, HDMI, DisplayPort, USB C, Thunderbolt, LAN, USB 3.1, HDR, TÜV Rheinland
for graphics, 39.7 ", 5K, 4K, 5120x2160 (21:9), curved Curved screen, IPS, response 5 ms, 60 Hz, HDMI, DisplayPort, USB C, Thunderbolt, Power Delivery, LAN, USB 3.1, speakers, webcam
39.7 ", 5K, 4K, 5120x2160 (21:9), curved 2500R, IPS, response 5 ms, 72 Hz, HDMI, DisplayPort, USB C, Thunderbolt, Power Delivery, USB 3.1, speakers, AMD FreeSync, HDR, TÜV Rheinland
for graphics, 39.7 ", 5K, 4K, 5120x2160 (21:9), curved 2500R, IPS, response 5 ms, 120 Hz, HDMI, v 2.1, DisplayPort, USB C, Thunderbolt, Power Delivery, LAN, USB 3.1, KVM-switch, speakers, HDR, TÜV Rheinland
gaming, 31.5 ", 2560x1440 (16:9), IPS, MPRT 1 ms, 165 Hz, HDMI, DisplayPort, AMD FreeSync Premium, VESA Adaptive-Sync, HDR, TÜV Rheinland
gaming, smart, 32 ", 4K, 3840x2160 (16:9), QD-OLED, response 0.03 ms, 240 Hz, HDMI, v 2.1, DisplayPort, USB 3.1, Bluetooth, Wi-Fi, speakers, AMD FreeSync Premium Pro, VESA Adaptive-Sync, HDR
gaming, 27 ", 2560x1440 (16:9), IPS, MPRT 1 ms, 170 Hz, HDMI, DisplayPort, USB C, Power Delivery, USB 3.1, KVM-switch, AMD FreeSync Premium, HDR, TÜV Rheinland
gaming, 27 ", 2560x1440 (16:9), QD-OLED, response 0.03 ms, 240 Hz, HDMI, v 2.1, DisplayPort, USB C, Power Delivery, USB 3.1, KVM-switch, speakers, AMD FreeSync Premium Pro, HDR, TÜV Rheinland
gaming, 27 ", 2560x1440 (16:9), QD-OLED, response 0.03 ms, 360 Hz, HDMI, v 2.1, DisplayPort, USB 3.1, AMD FreeSync Premium Pro, VESA Adaptive-Sync, HDR
gaming, 28 ", 4K, 3840x2160 (16:9), IPS, response 1 ms, 144 Hz, HDMI, v 2.1, DisplayPort, USB C, USB 3.1, KVM-switch, speakers, AMD FreeSync Premium Pro, HDR, TÜV Rheinland
