Product comparison · 2 laptop docks & port replicators

Kensington SD5900T EQ Thunderbolt 4 Quad 4K 40Gbps Dock with DisplayLink Technology – Midnight Blue vs Kensington MD125U4 USB4 Portable Docking Station (DFS)

32specifications compared
20differ
12identical
35known for one product only

Key differences

Host interface
- SD5900T EQ Thunderbolt 4 Quad 4K 40Gbps Dock with DisplayLink Technology – Midnight Blue:Thunderbolt 4
- MD125U4 USB4 Portable Docking Station (DFS):USB4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- SD5900T EQ Thunderbolt 4 Quad 4K 40Gbps Dock with DisplayLink Technology – Midnight Blue:0
- MD125U4 USB4 Portable Docking Station (DFS):2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
- SD5900T EQ Thunderbolt 4 Quad 4K 40Gbps Dock with DisplayLink Technology – Midnight Blue:1
- MD125U4 USB4 Portable Docking Station (DFS):2
USB Power Delivery (USB PD)
- SD5900T EQ Thunderbolt 4 Quad 4K 40Gbps Dock with DisplayLink Technology – Midnight Blue:Yes
- MD125U4 USB4 Portable Docking Station (DFS):No
USB Power Delivery up to
- SD5900T EQ Thunderbolt 4 Quad 4K 40Gbps Dock with DisplayLink Technology – Midnight Blue:65 W
- MD125U4 USB4 Portable Docking Station (DFS):100 W
HDMI ports quantity
- SD5900T EQ Thunderbolt 4 Quad 4K 40Gbps Dock with DisplayLink Technology – Midnight Blue:0
- MD125U4 USB4 Portable Docking Station (DFS):1
Ethernet LAN
- SD5900T EQ Thunderbolt 4 Quad 4K 40Gbps Dock with DisplayLink Technology – Midnight Blue:No
- MD125U4 USB4 Portable Docking Station (DFS):Yes
Product colour
- SD5900T EQ Thunderbolt 4 Quad 4K 40Gbps Dock with DisplayLink Technology – Midnight Blue:Grey
- MD125U4 USB4 Portable Docking Station (DFS):Black, Grey

Side by side

Differences highlightedShow differences only

Comparison of K34036NA, MD125U4
67 specifications	A Kensington SD5900T EQ Thunderbolt 4 Quad 4K 40Gbps Dock with DisplayLink Technology – Midnight Blue Model K34036NA View product	B Kensington MD125U4 USB4 Portable Docking Station (DFS) Model MD125U4 View product
Ports & interfaces6 differ
Host interfaceDiffers	Thunderbolt 4	USB4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	2
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityDiffers	1	2
USB Power Delivery (USB PD)Differs	Yes	No
USB Power Delivery up toDiffers	65 W	100 W
HDMI ports quantityDiffers	0	1
Thunderbolt 4 ports quantityKnown for one	3	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	Unknown — not stated by the source	1
HDMI versionKnown for one	Unknown — not stated by the source	2.1
Headphone outputsKnown for one	Unknown — not stated by the source	0
Network1 differ
Ethernet LANDiffers	No	Yes
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	100,2500,1000,10 Mbit/s
Performance3 differ
Product colourDiffers	Grey	Black, Grey
Colour nameKnown for one	Space Gray	Unknown — not stated by the source
Data transfer rateKnown for one	40 Gbit/s	Unknown — not stated by the source
Maximum digital resolutionKnown for one	7680 x 4320 pixels	Unknown — not stated by the source
Maximum refresh rateDiffers	240 Hz	120 Hz
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington, Nano	Unknown — not stated by the source
On/off switchKnown for one	Yes	Unknown — not stated by the source
Charging functionKnown for one	Yes	Unknown — not stated by the source
Housing materialDiffers	Aluminium, Acrylonitrile butadiene styrene (ABS), Polycarbonate (PC)	Acrylonitrile butadiene styrene (ABS), Metal, Polycarbonate (PC)
LED indicatorsKnown for one	Link, Power	Unknown — not stated by the source
CertificationKnown for one	Unknown — not stated by the source	FCC, IC, CB, RoHS, ACCO RSL
Power1 differ
Power source typeDiffers	DC	USB
AC input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
AC input frequencyKnown for one	50/60 Hz	Unknown — not stated by the source
Input currentKnown for one	2 A	Unknown — not stated by the source
Power supplyKnown for one	135 W	Unknown — not stated by the source
Output currentKnown for one	6.75 A	Unknown — not stated by the source
Output voltageKnown for one	20 V	Unknown — not stated by the source
Software1 differ
Windows operating systems supportedDiffers	Windows 10, Windows 11	Yes
Mac operating systems supportedKnown for one	Mac OS X 14.0 Sonoma, Mac OS X 15.0 Sequoia, Mac OS X 13.0 Ventura, Mac OS X 11.0 Big Sur, Mac OS X 12.0 Monterey	Unknown — not stated by the source
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	0 - 55%	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ErP	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	121 mm	101 mm
DepthDiffers	72 mm	101 mm
HeightDiffers	21.6 mm	22.9 mm
WeightDiffers	793 g	190 g
Packaging data4 differ
Package widthDiffers	213 mm	123 mm
Package depthDiffers	137 mm	41 mm
Package heightDiffers	103.5 mm	201 mm
Package weightDiffers	1.01 kg	430 g
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	Thunderbolt	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
User guideKnown for one	Unknown — not stated by the source	Yes
Technical detailsidentical
Compliance certificatesKnown for one	Federal Communications Commission (FCC), CB, RoHS	Unknown — not stated by the source
Warranty periodKnown for one	3 year(s)	Unknown — not stated by the source
Other featuresidentical
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 10 or above
Minimum system requirementsKnown for one	Unknown — not stated by the source	CPU: Intel Core i5 6th generation or above Memory: 8Gb or above GPU: Intel HD Graphics 620 or above
USB ports quantityKnown for one	Unknown — not stated by the source	3

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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