Product comparison · 2 laptop docks & port replicators

Dell SD25 Wired USB 3.2 Gen 2 (3.1 Gen 2) Type-C Black vs Dell SD25TB4 Wired Thunderbolt 4 Black

43specifications compared
4differ
39identical
4known for one product only

Key differences

HD type
- SD25 Wired USB 3.2 Gen 2 (3.1 Gen 2) Type-C Black:6K Ultra HD
- SD25TB4 Wired Thunderbolt 4 Black:8K Ultra HD
Maximum digital resolution
- SD25 Wired USB 3.2 Gen 2 (3.1 Gen 2) Type-C Black:6144 x 3456 pixels
- SD25TB4 Wired Thunderbolt 4 Black:7680 x 4320 pixels
Weight
- SD25 Wired USB 3.2 Gen 2 (3.1 Gen 2) Type-C Black:562 g
- SD25TB4 Wired Thunderbolt 4 Black:579 g

Side by side

Differences highlightedShow differences only

Comparison of SD25, SD25TB4
47 specifications	A Dell SD25 Wired USB 3.2 Gen 2 (3.1 Gen 2) Type-C Black Model SD25 View product	B Dell SD25TB4 Wired Thunderbolt 4 Black Model SD25TB4 View product
Ports & interfaces1 differ
Connectivity technology	Wired	Wired
Host interfaceDiffers	USB 3.2 Gen 2 (3.1 Gen 2) Type-C	Thunderbolt 4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	4	4
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	2	2
PowerShare	Yes	Yes
Number of USB ports with PowerShare support	4	4
USB Power Delivery (USB PD)	Yes	Yes
USB Power Delivery up to	130 W	130 W
HDMI ports quantity	1	1
HDMI version	2.1	2.1
DisplayPorts quantity	2	2
DisplayPort version	1.4	1.4
Thunderbolt 4 ports quantityKnown for one	Unknown — not stated by the source	2
Microphone in	No	No
Headphone outputsKnown for one	Unknown — not stated by the source	0
DC-in jack	Yes	Yes
USB Type-C DisplayPort Alternate Mode	Yes	Yes
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN (RJ-45) ports	1	1
Ethernet LAN data rates	2500 Mbit/s	2500 Mbit/s
Wake-on-LAN ready	Yes	Yes
Performance2 differ
Product colour	Black	Black
Card reader integrated	No	No
HD typeDiffers	6K Ultra HD	8K Ultra HD
Maximum digital resolutionDiffers	6144 x 3456 pixels	7680 x 4320 pixels
Number of displays supported	4	4
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
LED indicators	Yes	Yes
Maximum refresh rateKnown for one	60 Hz	Unknown — not stated by the source
Poweridentical
Power source type	DC	DC
Power connector	USB Type-C	USB Type-C
Power supply	180 W	180 W
Softwareidentical
Windows operating systems supported	Windows 10, Windows 11	Windows 10, Windows 11
Mac operating systems supported	Yes	Yes
Linux operating systems supported	Yes	Yes
Other operating systems supported	ChromeOS	ChromeOS
Operational conditionsidentical
Operating temperature (T-T)	0 - 35 °C	0 - 35 °C
Storage temperature (T-T)	-20 - 60 °C	-20 - 60 °C
Operating relative humidity (H-H)	10 - 80%	10 - 80%
Storage relative humidity (H-H)	5 - 90%	5 - 90%
Weight & dimensions1 differ
Width	90 mm	90 mm
Depth	35.2 mm	35.2 mm
Height	205 mm	205 mm
WeightDiffers	562 g	579 g
Packaging dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Packaging contentidentical
Quick start guide	Yes	Yes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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