DELL UltraSharp U4323QE 109.2 cm (43") 3840 x 2160 pixels 4K Ultra HD LCD Silver

Manufacturer: Dell | Model: DELL-U4323QE | Product ID: 4175 | Warranty: 3 Years Base Adv Ex
£864.21 (inc. VAT)
47 in stock
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Product Technical Specification

Display
Display diagonal43
Display resolution3840 x 2160
HD type4K Ultra HD
Native aspect ratio16:9
Display technologyLCD
Panel typeIPS
Backlight typeW-LED
TouchscreenNo
Display brightness (typical)350
Response time8
Anti-glare screenYes
Screen shapeFlat screen
Supported graphics resolutions640 x 480 (VGA),720 x 400,800 x 600 (SVGA),1024 x 768 (XGA),1152 x 864 (XGA+),1280 x 1024 (SXGA),1280 x 800,1600 x 1200 (UXGA),1920 x 1080 (HD 1080),1920 x 1200 (WUXGA),2048 x 1152,3840 x 2160
Supported video modes480p,576p,720p,1080i,1080p,2160p
Contrast ratio (typical)1000:1
Maximum refresh rate60
Viewing angle, horizontal178
Viewing angle, vertical178
Display number of colours1.07 billion colours
Response time (fast)5
Pixel pitch0.2451 x 0.2451
Pixel density103.6
Horizontal scan range30 - 140
Vertical scan range29 - 76
Viewable size, horizontal941.184
Viewable size, vertical529.416
Viewable size diagonal107.95
High Dynamic Range (HDR) supportedNo
Surface hardness3H
RGB colour spacesRGB
Colour gamut95
Multimedia
Built-in speaker(s)Yes
Built-in cameraNo
Number of speakers2
RMS rated power8
Design
Market positioningBusiness
Product colourSilver
Front bezel colourBlack
Feet colourSilver
Heavy metals freeHg (mercury)
Ports & interfaces
Built-in USB hubYes
USB hub version3.2 Gen 2 (3.1 Gen 2)
USB upstream port typeUSB Type-C
Number of USB Type-C upstream ports quantity4
USB Type-A downstream ports quantity4
USB Type-C downstream ports quantity1
USB Type-C DisplayPort Alternate ModeYes
USB Power DeliveryYes
USB Power Delivery up to90
HDMIYes
HDMI ports quantity2
HDMI version2.1
DisplayPorts quantity2
DisplayPort version1.4
Headphone outYes
Headphone outputs1
Built-in KVM switchYes
Charging port typeUSB Type-C
AC (power) inYes
Network
Wi-FiNo
Ergonomics
VESA mountingYes
Panel mounting interface100 x 100,200 x 200
Cable managementYes
Cable lock slotYes
Height adjustmentYes
Height adjustment60
PivotNo
SwivellingYes
Swivel angle range-20 - 20
Tilt angle range-5 - 10
On Screen Display (OSD)Yes
Plug and PlayYes
LED indicatorsYes
Tilt adjustmentYes
Power
Energy efficiency class (SDR)G
Energy efficiency class (HDR)Not available
Energy consumption (SDR) per 1000 hours52
Power consumption (typical)52.1
Power consumption (standby)0.3
Power consumption (max)250
Power consumption (off)0.3
AC input voltage100 - 240
AC input frequency50 - 60
Power supply typeInternal
Operational conditions
Operating temperature (T-T)0 - 40
Storage temperature (T-T)-20 - 60
Operating relative humidity (H-H)10 - 80
Storage relative humidity (H-H)5 - 90
Operating altitude0 - 5000
Non-operating altitude0 - 12192
Weight & dimensions
Width (with stand)967.21
Depth (with stand)256.4
Height (with stand)595.2
Weight (with stand)18550
Width (without stand)967.21
Depth (without stand)64.08
Height (without stand)560.5
Weight (without stand)13160
Bezel width (side)13.01
Bezel width (top)12.99
Bezel width (bottom)18.1
Packaging data
Package weight25230
Sustainability
Sustainability certificatesENERGY STAR,RoHS
Doesn't containPVC/BFR
Brand-specific features
Dell Display Manager (DDM) compatibilityYes
Other features
On/off switchYes
RJ-45 ports quantity1

Delivery Options

Economy Delivery
FREE
Economy Delivery

Economy Delivery (UK)

Estimated delivery date: Sun 07th Dec 2025 to Wed 10th Dec 2025
Business Express
£6.95
Business Express

Business Express

Estimated delivery date: Sat 06th Dec 2025 to Mon 08th Dec 2025
View all Delivery Options & International Rates
Multiply your productivity with this 42.5'' monitor featuring multi-PC connectivity, 4 unique FHD partitions via iMST, ComfortView Plus and wired Ethernet.
Display
Display diagonal43
Display resolution3840 x 2160
HD type4K Ultra HD
Native aspect ratio16:9
Display technologyLCD
Panel typeIPS
Backlight typeW-LED
TouchscreenNo
Display brightness (typical)350
Response time8
Anti-glare screenYes
Screen shapeFlat screen
Supported graphics resolutions640 x 480 (VGA),720 x 400,800 x 600 (SVGA),1024 x 768 (XGA),1152 x 864 (XGA+),1280 x 1024 (SXGA),1280 x 800,1600 x 1200 (UXGA),1920 x 1080 (HD 1080),1920 x 1200 (WUXGA),2048 x 1152,3840 x 2160
Supported video modes480p,576p,720p,1080i,1080p,2160p
Contrast ratio (typical)1000:1
Maximum refresh rate60
Viewing angle, horizontal178
Viewing angle, vertical178
Display number of colours1.07 billion colours
Response time (fast)5
Pixel pitch0.2451 x 0.2451
Pixel density103.6
Horizontal scan range30 - 140
Vertical scan range29 - 76
Viewable size, horizontal941.184
Viewable size, vertical529.416
Viewable size diagonal107.95
High Dynamic Range (HDR) supportedNo
Surface hardness3H
RGB colour spacesRGB
Colour gamut95
Multimedia
Built-in speaker(s)Yes
Built-in cameraNo
Number of speakers2
RMS rated power8
Design
Market positioningBusiness
Product colourSilver
Front bezel colourBlack
Feet colourSilver
Heavy metals freeHg (mercury)
Ports & interfaces
Built-in USB hubYes
USB hub version3.2 Gen 2 (3.1 Gen 2)
USB upstream port typeUSB Type-C
Number of USB Type-C upstream ports quantity4
USB Type-A downstream ports quantity4
USB Type-C downstream ports quantity1
USB Type-C DisplayPort Alternate ModeYes
USB Power DeliveryYes
USB Power Delivery up to90
HDMIYes
HDMI ports quantity2
HDMI version2.1
DisplayPorts quantity2
DisplayPort version1.4
Headphone outYes
Headphone outputs1
Built-in KVM switchYes
Charging port typeUSB Type-C
AC (power) inYes
Network
Wi-FiNo
Ergonomics
VESA mountingYes
Panel mounting interface100 x 100,200 x 200
Cable managementYes
Cable lock slotYes
Height adjustmentYes
Height adjustment60
PivotNo
SwivellingYes
Swivel angle range-20 - 20
Tilt angle range-5 - 10
On Screen Display (OSD)Yes
Plug and PlayYes
LED indicatorsYes
Tilt adjustmentYes
Power
Energy efficiency class (SDR)G
Energy efficiency class (HDR)Not available
Energy consumption (SDR) per 1000 hours52
Power consumption (typical)52.1
Power consumption (standby)0.3
Power consumption (max)250
Power consumption (off)0.3
AC input voltage100 - 240
AC input frequency50 - 60
Power supply typeInternal
Operational conditions
Operating temperature (T-T)0 - 40
Storage temperature (T-T)-20 - 60
Operating relative humidity (H-H)10 - 80
Storage relative humidity (H-H)5 - 90
Operating altitude0 - 5000
Non-operating altitude0 - 12192
Weight & dimensions
Width (with stand)967.21
Depth (with stand)256.4
Height (with stand)595.2
Weight (with stand)18550
Width (without stand)967.21
Depth (without stand)64.08
Height (without stand)560.5
Weight (without stand)13160
Bezel width (side)13.01
Bezel width (top)12.99
Bezel width (bottom)18.1
Packaging data
Package weight25230
Sustainability
Sustainability certificatesENERGY STAR,RoHS
Doesn't containPVC/BFR
Brand-specific features
Dell Display Manager (DDM) compatibilityYes
Other features
On/off switchYes
RJ-45 ports quantity1

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Buykingston order despatch times:

We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.

These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).

We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.

Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.

Despatch times do not apply to UK public holidays.

Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.

Our warehouse reserves the right to upgrade the delivery method you select on your order.

Our available delivery options*

Contact us for a shipping quote.

*All delivery times are estimated unless stated.

Product Returns Note

Buykingston offers a very flexible and hassle free returns policy. If for whatever reason you are not happy with the item purchased you can return it to us within 12months for a refund (for unused and unopened items) or within 30 days on opened and used items for a refund. This applies to items purchased direct through Buykingston  only.

Our 30 Day Returns Money Back Guarantee Satisfaction Guarantee:
For items opened and used and that are returned in a resellable condition.

Our 365 Day Returns Money Back Guarantee Satisfaction Guarantee:
For items that remain sealed and unused.

Some items are excluded from our moneyback guarantee unless they have developed a fault. These include;

- Headphones
- Earphones
- Custom made and designed products such as flash memory products with custom logo’s on them. E,g USB flash drives and memory cards with your own logo

Returns FAQs

What is your returns criteria?
On opened items 30 days from date of receipt or expected date of receipt on non tracked items.
On unopened items 365 days.

How do i go about returning my order?
Please contact us via our contact page with your order number where we will present you with an RMA number and returns label.

Do i need to contact you before returning my order?
Yes, to obtain an RMA number.

Does my item have to include its original packaging?
Yes for items that fall within our 30 day money back guarantee and our 365 day returns. Of course for faulty items we realise you may no longer have the packaging.

Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer direct for assistance.

Please ensure you have read and comply in full with Section 11 & 13 of our terms and conditions which you can read here in full.