LG UltraFine 40U990A 39.7 " white
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LG UltraFine 40U990A 39.7 " white
2025UltraFine (for graphics)4K5KHDMI 2.1USB-CcurvedHDRTÜV RheinlandFreeSyncKVMspeakersPower Deliverygood DCI-P3
Screen size:39.7 "
Resolution:5120x2160 (21:9)
Panel:IPS, response 5 ms
Frequency:120 Hz
Contrast:2 000:1
Brightness:450 cd/m²
Functions:HDR, AMD FreeSync Premium, PBP, Flicker-Free
Connectors:USB-C (Thunderbolt v5) • DisplayPort v2.1 • 2xHDMI v2.1, LAN
All specifications
Specifications UltraFine 40U990A
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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 LG 2026 - new arrivals, bestsellers, and the most relevant models LG.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog LG 2026 - new arrivals, bestsellers, and the most relevant models LG.
How to Choose a Gaming MonitorWe understand matrix types, suitable resolution, FreeSync and other important aspects when choosing a gaming monitor
Monitor matrices types: TN+film, IPS, VA, OLED, QLED and QD-OLEDCurrent types of monitor matrices, their pros and cons, as well as recommendations for selection
Buy LG UltraFine 40U990A 39.7 " white
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Series LG UltraFine (for graphics)Compare using chart →
27 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, 8-bit + FRC (1.07B Colors), 1.07B, DCI-P3 90 %, HDMI, DisplayPort, HDR
39.7 ", 5K, 4K, 5120x2160 (21:9), curved 2500R, IPS, response 5 ms, 120 Hz, 1.07B Colors, 1.07B, DCI-P3 99 %, HDMI, v 2.1, DisplayPort, USB-C (Thunderbolt v5), Power Delivery, LAN, ХАБ: USB-A 2x10Gbps, USB-C 4x10Gbps, KVM-switch, speakers, AMD FreeSync Premium, HDR, TÜV Rheinland
31.5 ", 4K, 3840x2160 (16:9), *VA, response 4 ms, 60 Hz, 1.07B Colors, 1.07B, DCI-P3 90 %, HDMI, DisplayPort, speakers, HDR
32 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, 8-bit + FRC (1.07B Colors), 1.07B, DCI-P3 95 %, HDMI, DisplayPort, USB-C (DP Alt Mode), Power Delivery, ХАБ: USB-A 2x5Gbps, speakers, AMD FreeSync, HDR
27 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, 8-bit + FRC (1.07B Colors), 1.07B, DCI-P3 90 %, HDMI, DisplayPort, USB-C (DP Alt Mode), Power Delivery, ХАБ: USB-A 2x5Gbps, speakers, HDR
27 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, 8-bit + FRC (1.07B Colors), 1.07B, DCI-P3 90 %, HDMI, DisplayPort, HDR
31.5 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, 8-bit + FRC (1.07B Colors), 1.07B, DCI-P3 95 %, HDMI, DisplayPort, USB-C (DP Alt Mode), Power Delivery, ХАБ: USB-A 2x5Gbps, speakers, HDR
27 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, 8-bit + FRC (1.07B Colors), 1.07B, DCI-P3 95 %, HDMI, DisplayPort, HDR
31.5 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, 8-bit + FRC (1.07B Colors), 1.07B, DCI-P3 95 %, HDMI, DisplayPort, speakers, AMD FreeSync, HDR
31.5 ", 4K, 3840x2160 (16:9), *VA, response 5 ms, 60 Hz, 8-bit + FRC (1.07B Colors), 1.07B, DCI-P3 90 %, HDMI, DisplayPort, USB-C (DP Alt Mode), Power Delivery, ХАБ: USB-A 2x5Gbps, speakers, HDR
for graphics, 31.5 ", 6K, 6144x3456 (16:9), IPS, response 5 ms, 60 Hz, 10-bit (1.07B Colors), 1.07B, DCI-P3 98 %, HDMI, v 2.1, DisplayPort, USB-C (Thunderbolt v5), Power Delivery, ХАБ: USB-C 2x10Gbps, KVM-switch, speakers, HDR, TÜV Rheinland
27 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, 8-bit + FRC (1.07B Colors), 1.07B, sRGB 99 %, DCI-P3 95 %, HDMI, DisplayPort, USB-C (DP Alt Mode), Power Delivery, ХАБ: USB-A 2x5Gbps, speakers, AMD FreeSync, HDR
31.5 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, 10-bit (1.07B Colors), 1.07B, sRGB 135 %, DCI-P3 98 %, HDMI, DisplayPort, USB-C (Thunderbolt v3), Power Delivery, ХАБ: USB-A 2x5Gbps, speakers, AMD FreeSync, HDR
27 ", 2560x1440 (16:9), IPS, response 5 ms, 60 Hz, 8-bit (16.7M Colors), 16.7M, sRGB 99 %, HDMI, DisplayPort, USB-C (DP Alt Mode), Power Delivery, ХАБ: USB-A 2x5Gbps, speakers, AMD FreeSync, HDR
27 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, 8-bit + FRC (1.07B Colors), 1.07B, DCI-P3 90 %, HDMI, DisplayPort, HDR
27 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, sRGB 99 %, HDMI, DisplayPort, USB-C (DP Alt Mode), Power Delivery, ХАБ: USB-A 2x5Gbps, speakers, AMD FreeSync, HDR
31.5 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, 8-bit + FRC (1.07B Colors), 1.07B, DCI-P3 95 %, HDMI, DisplayPort, USB-C (DP Alt Mode), Power Delivery, ХАБ: USB-A 2x5Gbps, speakers, AMD FreeSync, HDR
31.5 ", 4K, 3840x2160 (16:9), *VA, response 4 ms, 144 Hz, 8-bit + FRC (1.07B Colors), 1.07B, DCI-P3 90 %, HDMI, v 2.1, DisplayPort, USB-C (DP Alt Mode), Power Delivery, ХАБ: USB-A 2x5Gbps, speakers, AMD FreeSync Premium, HDR
32 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, 8-bit + FRC (1.07B Colors), 1.07B, sRGB 135 %, DCI-P3 98 %, HDMI, DisplayPort, USB-C (Thunderbolt v3), ХАБ: USB-A 2x5Gbps, speakers, AMD FreeSync, HDR
31.5 ", 4K, 3840x2160 (16:9), IPS, response 5 ms, 60 Hz, 1.07B Colors, 1.07B, DCI-P3 95 %, HDMI, DisplayPort, speakers, AMD FreeSync, HDR
AccessoriesAll accessories for LG UltraFine 40U990A →
Video reviews
SimilarCompare using chart →
39.7 ", 5K, 4K, 5120x2160 (21:9), curved Curved screen, IPS, response 5 ms, 60 Hz, 8-bit + FRC (1.07B Colors), 1.07B, sRGB 100 %, DCI-P3 98 %, HDMI, DisplayPort, 2xUSB-C (Thunderbolt v3), Power Delivery, LAN, ХАБ: USB-A 4x5Gbps, speakers, webcam
39.7 ", 5K, 4K, 5120x2160 (21:9), curved 2500R, IPS, response 5 ms, 72 Hz, 8-bit + FRC (1.07B Colors), 1.07B, DCI-P3 98 %, HDMI, DisplayPort, USB-C (Thunderbolt v4), Power Delivery, ХАБ: USB-A 2x5Gbps, speakers, AMD FreeSync, HDR, TÜV Rheinland
39.7 ", 5K, 4K, 5120x2160 (21:9), curved 2500R, IPS, response 5 ms, 72 Hz, 1.07B Colors, 1.07B, DCI-P3 98 %, HDMI, DisplayPort, USB-C (Thunderbolt v4), Power Delivery, ХАБ: USB-A 2x5Gbps, speakers, AMD FreeSync, HDR, TÜV Rheinland
39.7 ", 5K, 4K, 5120x2160 (21:9), curved 2500R, IPS, response 5 ms, 72 Hz, 8-bit + FRC (1.07B Colors), 1.07B, DCI-P3 98 %, HDMI, DisplayPort, USB-C (Thunderbolt v4), Power Delivery, ХАБ: USB-A 2x5Gbps, speakers, AMD FreeSync, HDR, TÜV Rheinland
39.7 ", 5K, 4K, 5120x2160 (21:9), curved 2500R, IPS, response 4 ms, 75 Hz, 8-bit + FRC (1.07B Colors), 1.07B, sRGB 134 %, DCI-P3 98 %, HDMI, DisplayPort, USB-C (Thunderbolt v4), Power Delivery, LAN, ХАБ: USB-A 4x5Gbps, speakers, webcam, VESA Adaptive-Sync, HDR, TÜV Rheinland
39.7 ", 5K, 4K, 5120x2160 (21:9), curved 2500R, IPS, response 5 ms, 72 Hz, 8-bit + FRC (1.07B Colors), 1.07B, DCI-P3 98 %, HDMI, DisplayPort, USB-C (Thunderbolt v4), Power Delivery, ХАБ: USB-A 2x5Gbps, speakers, AMD FreeSync, HDR
39.7 ", 5K, 4K, 5120x2160 (21:9), curved 2500R, IPS, response 5 ms, 120 Hz, 8-bit + FRC (1.07B Colors), 1.07B, sRGB 100 %, DCI-P3 99 %, HDMI, v 2.1, DisplayPort, USB-C (Thunderbolt v4), Power Delivery, LAN, ХАБ: USB-A 5x5Gbps, USB-C 2x5Gbps, KVM-switch, speakers, HDR, TÜV Rheinland
gaming, 23.8 ", 1920x1080 (16:9), IPS, response 1 ms, 165 Hz, 8-bit (16.7M Colors), 16.7M, sRGB 99 %, DCI-P3 90 %, HDMI, DisplayPort, AMD FreeSync Premium
gaming, 27 ", 2560x1440 (16:9), QD-OLED, response 0.03 ms, 360 Hz, 10-bit (1.07B Colors), 1.07B, DCI-P3 99 %, HDMI, v 2.1, DisplayPort, ХАБ: USB-A 2x5Gbps, AMD FreeSync Premium Pro, VESA Adaptive-Sync, HDR
gaming, 31.5 ", 4K, 3840x2160 (16:9), OLED (WOLED), response 0.03 ms, 240 Hz, 480 Hz (Full HD), 10-bit (1.07B Colors), 1.07B, DCI-P3 99 %, HDMI, v 2.1, DisplayPort, USB-C (DP Alt Mode), Power Delivery, ХАБ: USB-A 3x5Gbps, KVM-switch, AMD FreeSync Premium Pro, NVIDIA G-Sync Compatible, HDR, TÜV Rheinland
gaming, 24.5 ", 1920x1080 (16:9), IPS, response 0.5 ms, 200 Hz, 8-bit + FRC (1.07B Colors), 1.07B, sRGB 100 %, DCI-P3 79 %, HDMI, DisplayPort, AMD FreeSync Premium, VESA Adaptive-Sync, HDR, TÜV Rheinland
gaming, 23.8 ", 1920x1080 (16:9), IPS, response 0.5 ms, 200 Hz, 8-bit + FRC (1.07B Colors), 1.07B, sRGB 126 %, DCI-P3 96 %, HDMI, DisplayPort, AMD FreeSync Premium, VESA Adaptive-Sync, HDR, TÜV Rheinland