Dell UltraSharp 40 Curved Thunderbolt™ Hub Monitor - U4025QWUK manufacturer part JJPX2 · Dell offer u4025qw_monitor- Panel technology
- In-plane Switching (IPS) Black TechnologyThis one: IPS Black
MONITORS
LG 40U990A-W
UK manufacturer model
- Screen diagonal
- 39.7 in
- Native resolution
- 5120 x 2160
- Manufacturer maximum refresh rate
- 120 Hz
LG 40U990A-W in its manufacturer-documented UK configuration. The complete source table retains its published display, connection, software and physical conditions.
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THE ACTUAL PRODUCT
Compare with Dell UltraSharp 40 Curved Thunderbolt™ Hub Monitor - U4025QW
Specifications checked 17 Oct 2026Manufacturer specifications, not a hands-on test.
The nearest checked monitors by key specifications, with what differs from the LG 40U990A-W. The first matches the Compare button above.
Dell UltraSharp 40 Curved Thunderbolt™ Hub Monitor - U4025QWUK manufacturer part JJPX2 · Dell offer u4025qw_monitor
Samsung ViewFinity S8 S85TH 40-inchLS40H850TAUXXU · 40-inch VA · Samsung UK specification- Screen diagonal
- 40 inThis one: 39.7 in
- Manufacturer maximum refresh rate
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- 38.9 inThis one: 39.7 in
- Manufacturer maximum refresh rate
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Key strengths
The exact manufacturer model links its source specification table and official product gallery.
Before you buy
Manufacturer specifications are claims, not independent measurements, current retailer stock or unstated regional compatibility. Unlisted units and capabilities remain unknown.
Every specification. With its source.
Full specifications
Exact configuration: UK manufacturer model · 40U990A-W
59 specifications in 10 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.
Screen & panel
10 items
- Screen diagonal
- 39.7 in
Actual manufacturer display-table diagonal. Original: 39.7
Source - Native resolution
- 5120 x 2160Source
- Panel technology
- IPS BlackSource
- DISPLAY — Size [cm]
- 100.86cmSource
- DISPLAY — Aspect Ratio
- 21:9Source
- DISPLAY — Pixel Pitch [mm]
- 0.1815 x 0.1815Source
- DISPLAY — Viewing Angle (CR≥10)
- 178º(R/L), 178º(U/D)Source
- DISPLAY — Curvature
- 2500RSource
- FEATURES — Nano IPS™ Technology
- YESSource
- FEATURES — Super Resolution+
- YESSource
Refresh & response
5 items
- Manufacturer maximum refresh rate
- 120 Hz
Manufacturer display-table maximum, not a motion index. Input-specific modes/overclocking remain in original source fields. Original: 120
Source - DISPLAY — Response Time
- 5ms (GtG at Faster)Source
- FEATURES — AMD FreeSync™
- FreeSync PremiumSource
- FEATURES — VRR
- YESSource
- FEATURES — Dynamic Action Sync
- YESSource
Colour, brightness & HDR
15 items
- DISPLAY — Brightness (Min.) [cd/m²]
- 360 cd/m²Source
- DISPLAY — Brightness (Typ.) [cd/m²]
- 450 cd/m²Source
- DISPLAY — Color Gamut (Min.)
- DCI-P3 95% (CIE1976)Source
- DISPLAY — Color Gamut (Typ.)
- DCI-P3 99% (CIE1976)Source
- DISPLAY — Color Depth (Number of Colors)
- 1.06BSource
- DISPLAY — Contrast Ratio (Min.)
- 1400:1Source
- DISPLAY — Contrast Ratio (Typ.)
- 2000:1Source
- FEATURES — HDR 10
- YESSource
- FEATURES — VESA DisplayHDR™
- DisplayHDR™600Source
- FEATURES — HDR Effect
- YESSource
- FEATURES — Color Calibrated in Factory
- YESSource
- FEATURES — HW Calibration
- HW Calibration ReadySource
- FEATURES — Auto Brightness
- YESSource
- FEATURES — Black Stabiliser
- YESSource
- SW APPLICATION — LG Calibration Studio (True Color Pro)
- YESSource
Inputs & connections
4 items
- Inputs and connections
- hdmi: YES(2ea); displayport: YES(1ea); dp version: 2.1 (UHBR 13.5); thunderbolt: YES(In 1ea / Out 1ea); usb-c: YES (1Up / 4Down); usb-c (data transsmission): YES; daisy chain: YES(UHD/120Hz); usb upstream port: YES(via Thunderbolt & USB-C 10Gbps); usb downstream port: USB-C *4EA(15W*1EA, 4.5W*3EA) 10Gbps USB-A *2EA 10Gbps; built-in kvm: YES; lan (rj-45): YES; headphone output: 4-pole (Mic + Sound)Source
- FEATURES — Auto Input Switch
- YESSource
- FEATURES — PBP
- YES (2PBP)Source
- FEATURES — PIP
- YESSource
Stand & mounting
2 items
Size, weight & build
6 items
- Manufacturer dimensions and stand basis
- dimension with stand (w x h x d) [mm]: 947.7 * 614.3 * 260 mm
Original manufacturer axes, units and up/down/stand configurations retained.
Source - DIMENSIONS/WEIGHTS — Dimension without Stand (W x H x D) [mm]
- 947.7 * 419.8 * 106.3 mmSource
- DIMENSIONS/WEIGHTS — Dimension in Shiping (W x H x D) [mm]
- 1206 * 534 * 201Source
- DIMENSIONS/WEIGHTS — Weight with Stand [kg]
- 14.1 kgSource
- DIMENSIONS/WEIGHTS — Weight without Stand [kg]
- 9.2 kgSource
- DIMENSIONS/WEIGHTS — Weight in Shipping [kg]
- 17.8 kgSource
Power & energy
5 items
Eye care & features
4 items
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