Product comparison · 2 laptop docks & port replicators

Lenovo 04W3955 Docking Black vs Lenovo 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black

25specifications compared
11differ
14identical
24known for one product only

Key differences

Connectivity technology
- 04W3955 Docking Black:Docking
- 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:Wired
USB 2.0 ports quantity
- 04W3955 Docking Black:0
- 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 04W3955 Docking Black:6
- 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:3
HDMI ports quantity
- 04W3955 Docking Black:1
- 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:0
Operating temperature (T-T)
- 04W3955 Docking Black:5 - 43 °C
- 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:-5 - 40 °C
Operating relative humidity (H-H)
- 04W3955 Docking Black:8 - 95%
- 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:20 - 95%
Width
- 04W3955 Docking Black:402.2 mm
- 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:171 mm
Depth
- 04W3955 Docking Black:165.4 mm
- 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:80 mm

Side by side

Differences highlightedShow differences only

Comparison of 04W3955, 40A90090DK
49 specifications	A Lenovo 04W3955 Docking Black Model 04W3955 View product	B Lenovo 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black Model 40A90090DK View product
Ports & interfaces4 differ
Connectivity technologyDiffers	Docking	Wired
USB 2.0 ports quantityDiffers	0	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	6	3
HDMI ports quantityDiffers	1	0
HDMI versionKnown for one	1.4	Unknown — not stated by the source
VGA (D-Sub) ports quantity	1	1
DisplayPorts quantity	2	2
DVI-D ports quantityKnown for one	1	Unknown — not stated by the source
Microphone in	No	No
Combo headphone/mic port	Yes	Yes
Headphone outputs	0	0
Headphone connectivity	3.5 mm	3.5 mm
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Host interfaceKnown for one	Unknown — not stated by the source	USB 3.2 Gen 1 (3.1 Gen 1) Type-C
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	Unknown — not stated by the source	1
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN (RJ-45) ports	1	1
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Performanceidentical
Product colour	Black	Black
Card reader integrated	No	No
Maximum digital resolution	3840 x 2160 pixels	3840 x 2160 pixels
Number of displays supportedKnown for one	3	Unknown — not stated by the source
Cable lock slot	Yes	Yes
Brand compatibilityKnown for one	Lenovo	Unknown — not stated by the source
CompatibilityKnown for one	ThinkPad P50/P70	Unknown — not stated by the source
CertificationKnown for one	AS / NZS S-DOC, VCCI, BSMI, KCC, NOM, GOST, CB, CE, UkrSEPRO, EC-DoC, UL, FCC	Unknown — not stated by the source
Charging functionKnown for one	Unknown — not stated by the source	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Poweridentical
Power source typeKnown for one	AC	Unknown — not stated by the source
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
Compatible power plug typesKnown for one	Unknown — not stated by the source	EU
Softwareidentical
Windows operating systems supportedKnown for one	Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 H	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 43 °C	-5 - 40 °C
Storage temperature (T-T)Known for one	-20 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Differs	8 - 95%	20 - 95%
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	402.2 mm	171 mm
DepthDiffers	165.4 mm	80 mm
HeightDiffers	55.6 mm	32.5 mm
WeightDiffers	980 g	290 g
Packaging dataidentical
Package widthKnown for one	443 mm	Unknown — not stated by the source
Package depthKnown for one	215 mm	Unknown — not stated by the source
Package heightKnown for one	112 mm	Unknown — not stated by the source
Package weightKnown for one	2.64 kg	Unknown — not stated by the source
Packaging content1 differ
AC adapter included	Yes	Yes
Cables includedDiffers	AC	AC, USB Type-C
ManualKnown for one	Yes	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source

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.

More laptop docks & port replicators comparisons

All laptop docks & port replicators comparisons