Dell UltraSharp 27 USB-C Hub Monitor (U2721DE) vs Dell UltraSharp 32 4K Thunderbolt Hub (U3225QE)

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UltraSharp 27 USB-C Hub Monitor (U2721DE) compared with UltraSharp 32 4K Thunderbolt Hub (U3225QE)

	DellUltraSharp 27 USB-C Hub Monitor (U2721DE)	DellUltraSharp 32 4K Thunderbolt Hub (U3225QE)
Overview
Released
Released	April 2020	February 2025
Display
Screen size
Screen size	27″	31.5″
Resolution
Resolution	2560 × 1440 (QHD)	3840 × 2160 (4K) (better)
Sharpness
Sharpness	109 pixels per inch	140 pixels per inch (better)
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	450 nits (better)
HDR peak brightness
HDR peak brightness	–	600 nits
HDR certification
HDR certification	–	DisplayHDR 600
Contrast ratio
Contrast ratio	1,000:1	3,000:1
Colour range
Colour range	99% sRGB, 99% Rec.709, 85% DCI-P3	99% DCI-P3, 100% sRGB
DCI-P3 coverage
DCI-P3 coverage	85%	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	Flat
Colour depth
Colour depth	16.7 million colours	1.07 billion colours
sRGB coverage
sRGB coverage	99% sRGB and 99% Rec.709 claimed by Dell	100% (CIE 1931)
Colour accuracy
Colour accuracy	–	Delta E < 1.5 (average) (sRGB, BT.709, DCI-P3, Display P3)
HDR detail
HDR detail	–	600 cd/m² HDR peak
Response time detail
Response time detail	5 ms Fast, 8 ms Normal, grey-to-grey	5 ms (Fast mode), 8 ms (Normal mode)
Viewing angles
Viewing angles	178° horizontal and vertical	178° horizontal, 178° vertical (typical)
Pixel pitch
Pixel pitch	0.233 mm	0.18159 mm x 0.18159 mm
Eye care
Eye care	Flicker-free panel and ComfortView low-blue-light mode	TÜV Rheinland Eye Comfort 3.0 (5 star), low blue light, ambient light sensor
Calibration
Calibration	Factory average Delta E below 2, according to Dell	–
Connections
Video inputs
Video inputs	HDMI, DisplayPort 1.4, USB-C	HDMI 2.1, DisplayPort 1.4, Thunderbolt 4
USB-C charging
USB-C charging	Up to 65 W	Up to 140 W (better)
USB ports
USB ports	4 × USB-A	2 × USB-C, 5 × USB-A, Thunderbolt 4
KVM switch
KVM switch	No	Yes
Ethernet
Ethernet	Yes	Yes
Speakers
Speakers	No	No
HDMI detail
HDMI detail	–	1 x HDMI, up to 3840 x 2160 at 120 Hz FRL with VRR as specified in HDMI 2.1; no ARC/eARC or ALLM
DisplayPort detail
DisplayPort detail	One DisplayPort 1.4 input and one DisplayPort output with MST support.	1 x DisplayPort 1.4 in with DSC (DRR for Microsoft Windows); 1 x DisplayPort 1.4 out
USB-C detail
USB-C detail	USB-C upstream carries DisplayPort 1.4 video and USB 3.1 data, with up to 65 W Power Delivery.	Thunderbolt 4 upstream (DisplayPort 1.4 with DSC, Power Delivery 140 W); USB-C 10Gbps upstream for KVM; 2 x USB-C 10Gbps downstream in the quick access ports
Daisy chaining
Daisy chaining	DisplayPort MST output for a second compatible display.	Thunderbolt 4 downstream port (15 W) or DisplayPort 1.4 out
USB hub detail
USB hub detail	Two standard USB 3.0 downstream ports and two USB 3.0 downstream ports with BC 1.2 charging at up to 2 A.	4 x USB-A 10Gbps; quick access ports with 1 x USB-A 10Gbps (BC 1.2) and 2 x USB-C 10Gbps
Audio out
Audio out	3.5 mm audio line output	3.5 mm analog 2.0 audio line out
Design
Stand adjusts
Stand adjusts	Height, tilt, swivel, pivot	Height, tilt, swivel, pivot
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	–	9.34 kg
Height adjustment
Height adjustment	130 mm	150 mm
Tilt
Tilt	-5° to 21°	-5° to 21°
Swivel
Swivel	-40° to 40°	-30° to 30°
Pivot
Pivot	–	-90° to 90°
VESA pattern
VESA pattern	100 × 100 mm	100 x 100 mm
Size with stand
Size with stand	612.2 × 180 × 390.2–520.2 mm (W × D × H)	713.20 x 215.00 x 468.94–618.94 mm (W x D x H)
Size without stand
Size without stand	612.2 × 39 × 355 mm (W × D × H)	713.20 x 57.50 x 410.34 mm (W x D x H)
Weight without stand
Weight without stand	4.19 kg	6.52 kg
Colours
Colours	–	Silver
Power and support
Power use
Power use	22.6 W on, 0.2 W standby, 0.2 W off, 160 W maximum	30.5 W on mode, 0.5 W standby, 1.5 W networked standby, 0.3 W off, 335 W maximum
Energy class
Energy class	–	F
Power supply
Power supply	100–240 V AC, 50–60 Hz	100–240 VAC, 50/60 Hz, 4.2 A (maximum)
Software
Software	Dell Display Manager	Dell Display and Peripheral Manager (Easy Arrange)
Warranty
Warranty	–	3 years limited hardware with Advanced Exchange Service (UK)
Certifications
Certifications	ENERGY STAR and TCO Certified; EPEAT registration varies by country	–
In the box
In the box	Stand, DisplayPort cable and USB-C cable	Stand, power cable, DisplayPort cable (1.8 m), USB-A to USB-C upstream cable (1 m), Thunderbolt 4 passive cable (1 m)