Dell UltraSharp 27 4K Monitor (U2718Q) vs Dell UltraSharp 52 Thunderbolt Hub (U5226KW)

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UltraSharp 27 4K Monitor (U2718Q) compared with UltraSharp 52 Thunderbolt Hub (U5226KW)

	DellUltraSharp 27 4K Monitor (U2718Q)	DellUltraSharp 52 Thunderbolt Hub (U5226KW)
Overview
Released
Released	2017	January 2026
Display
Screen size
Screen size	27″	51.5″
Resolution
Resolution	3840 × 2160 (4K)	6144 × 2560 (better)
Sharpness
Sharpness	163 pixels per inch (better)	129 pixels per inch
Panel
Panel	IPS	IPS (IPS Black)
Refresh rate
Refresh rate	60 Hz	120 Hz (better)
Response time (grey to grey)
Response time (grey to grey)	5 ms	5 ms
Brightness (typical)
Brightness (typical)	350 nits	400 nits (better)
HDR formats
HDR formats	HDR10 through HDMI (Dell HDR)	–
Contrast ratio
Contrast ratio	1,300:1	2,000:1
Colour range
Colour range	99.9% sRGB, 99.9% Rec. 709, 80.7% DCI-P3	99% DCI-P3, 99% Display P3, 100% BT.709
DCI-P3 coverage
DCI-P3 coverage	80.7%	99% (better)
Colour accuracy (Delta E)
Colour accuracy (Delta E)	Below 2	Below 1.5 (better)
Screen finish
Screen finish	Matte	Matte
Shape
Shape	Flat	Curved (4200R)
Adaptive sync
Adaptive sync	–	HDMI VRR
Colour depth
Colour depth	1.07 billion colours.	1.07 billion colours (8-bit + FRC)
sRGB coverage
sRGB coverage	99.9%	100% (CIE 1931)
Colour accuracy
Colour accuracy	Factory calibrated to average Delta E < 2.	Delta E < 1.5 (average) (sRGB, BT.709, DCI-P3, Display P3)
Colour modes
Colour modes	99.9% sRGB and Rec. 709; 80.7% DCI-P3.	Standard, Movie, Game, Color Temp. (5,000K to 10,000K), Color Space (sRGB, BT.709, DCI-P3, Display P3), Custom Color
HDR detail
HDR detail	Dell HDR accepts HDR10 from a compatible HDMI source. Dell cautions that its implementation differs from TV HDR standards; independent reviewers found the effect limited.	–
Response time detail
Response time detail	5 ms grey-to-grey in Fast mode; 8 ms in Normal mode.	5 ms GTG (Fast mode), 8 ms GTG (Normal mode)
Viewing angles
Viewing angles	178° horizontal and vertical (typical).	178° horizontal, 178° vertical (typical)
Pixel pitch
Pixel pitch	0.1554 × 0.1554 mm.	0.19644 mm x 0.19644 mm
Eye care
Eye care	Flicker-free screen and ComfortView low-blue-light mode, TÜV certified according to Dell.	ComfortView Plus (blue light ≤20%), TÜV Rheinland Eye Comfort 3.0 5-star, flicker-free, ambient light sensor with Auto Brightness and Auto Color Temp.
Connections
Video inputs
Video inputs	HDMI 2.0, 2 × DisplayPort 1.2	2 × HDMI 2.1, 2 × DisplayPort 1.4, Thunderbolt 4
USB-C charging
USB-C charging	None	Up to 140 W (better)
USB ports
USB ports	4 × USB-A	2 × USB-C, 5 × USB-A
KVM switch
KVM switch	–	Yes
Ethernet
Ethernet	–	Yes
Speakers
Speakers	No	Yes
HDMI detail
HDMI detail	One HDMI 2.0 input; the independent HEXUS test found HDR10 input was limited to HDMI.	2 x HDMI (HDCP 2.2), up to 6144 x 2560 at 120 Hz FRL with VRR as specified in HDMI 2.1; no ARC/eARC or ALLM
DisplayPort detail
DisplayPort detail	One DisplayPort 1.2 input and one Mini DisplayPort 1.2 input.	2 x DisplayPort 1.4 in (HDCP 2.2), up to 6144 x 2560 at 120 Hz with DSC
USB-C detail
USB-C detail	–	Thunderbolt 4 upstream (40Gbps, DisplayPort 1.4 with DSC, Power Delivery up to 140 W EPR); 3 x USB-C 10Gbps upstream (data only); 2 x USB-C 10Gbps downstream with 27 W charging
USB hub detail
USB hub detail	Four downstream USB 3.0 Type-A ports and one upstream USB 3.0 Type-B port; two downstream ports support BC 1.2 charging at up to 2 A.	4 x USB-A 10Gbps (rear); pop-out quick access module with 2 x USB-C 10Gbps (27 W) and 1 x USB-A 10Gbps with BC1.2 charging
Picture by picture
Picture by picture	–	Picture by Picture with Screen Partition (internal MST) and Picture in Picture; USB KVM for up to four PCs, Auto KVM
Speaker detail
Speaker detail	–	2 x 9 W
Audio out
Audio out	Audio line out for external speakers; Dell says it does not support headphones.	–
Design
Stand adjusts
Stand adjusts	Height, tilt, swivel, pivot (better)	Height, tilt, swivel
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	6.55 kg	18.23 kg
Height adjustment
Height adjustment	130 mm.	90 mm
Tilt
Tilt	-5° to 21°.	-5° to 10°
Swivel
Swivel	-45° to 45°.	-20° to 20°
Pivot
Pivot	-90° to 90°.	No pivot; slant -2° to 2°
VESA pattern
VESA pattern	100 × 100 mm.	100 x 100 mm, 200 x 100 mm, 200 x 200 mm
Size with stand
Size with stand	611.3 × 200.3 × 410.2–540.2 mm (width × depth × height).	1223.32 x 255 x 576.79–666.79 mm (W x D x H)
Size without stand
Size without stand	–	1223.32 x 111.94 x 529.05 mm (W x D x H)
Weight without stand
Weight without stand	3.70 kg.	12.95 kg
Controls
Controls	–	Joystick; power and OSD button lock
Colours
Colours	–	Platinum Silver
Power and support
Power use
Power use	30 W typical; less than 0.3 W in standby or sleep.	63.6 W on mode, 0.5 W standby, 2.0 W networked standby, 0.3 W off, 430 W maximum
Energy class
Energy class	–	G
Power supply
Power supply	100–240 V AC, 50/60 Hz.	100–240 VAC, 50/60 Hz, 5.5 A (maximum)
Software
Software	Dell Display Manager with Easy Arrange.	Dell Display and Peripheral Manager (Easy Arrange, KVM), Dell Color Management, Dell Device Management Console
Certifications
Certifications	–	ENERGY STAR 8.0, EPEAT Gold with Climate+, TCO Certified 10.0 and TCO Certified Edge, TÜV Rheinland Eye Comfort 3.0 (5 star)
Warranty
Warranty	Three years of Advanced Exchange Service and limited hardware warranty in Dell's product sheet; regional terms may differ.	3 years with Advanced Exchange Service and Premium Panel Exchange (UK)
In the box
In the box	Stand, DisplayPort cable, USB 3.0 upstream cable, power cable, factory calibration report and documentation. Dell's product sheet does not list an HDMI cable.	Stand (not with the WOST version), power cable, DisplayPort 1.4 cable (1.8 m), HDMI 2.1 cable (1.8 m), USB-C to USB-A 10Gbps cable (1 m), Thunderbolt 4 40Gbps cable (2 m)