Product comparison · 2 laptop docks & port replicators

Lenovo 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black vs Lenovo ThinkPad Thunderbolt 3 Dock

21specifications compared
11differ
10identical
14known for one product only

Key differences

USB 2.0 ports quantity
- 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:2
- ThinkPad Thunderbolt 3 Dock:0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:3
- ThinkPad Thunderbolt 3 Dock:5
HDMI ports quantity
- 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:0
- ThinkPad Thunderbolt 3 Dock:1
Microphone in
- 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:No
- ThinkPad Thunderbolt 3 Dock:Yes
Headphone outputs
- 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:0
- ThinkPad Thunderbolt 3 Dock:1
Operating temperature (T-T)
- 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:-5 - 40 °C
- ThinkPad Thunderbolt 3 Dock:5 - 40 °C
Operating relative humidity (H-H)
- 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:20 - 95%
- ThinkPad Thunderbolt 3 Dock:5 - 95%
Width
- 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:171 mm
- ThinkPad Thunderbolt 3 Dock:220 mm

Side by side

Differences highlightedShow differences only

Comparison of 40A90090DK, ThinkPad Thunderbolt 3 Dock
35 specifications	A Lenovo 40A90090DK laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black Model 40A90090DK View product	B Lenovo ThinkPad Thunderbolt 3 Dock View product
Ports & interfaces6 differ
Connectivity technology	Wired	Wired
Host interfaceDiffers	USB 3.2 Gen 1 (3.1 Gen 1) Type-C	Thunderbolt 3
USB 2.0 ports quantityDiffers	2	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	3	5
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	1	Unknown — not stated by the source
HDMI ports quantityDiffers	0	1
VGA (D-Sub) ports quantity	1	1
DisplayPorts quantity	2	2
Microphone inDiffers	No	Yes
Combo headphone/mic port	Yes	Yes
Headphone outputsDiffers	0	1
Headphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
DC-in jackKnown for one	Unknown — not stated by the source	Yes
USB connector typeKnown for one	Unknown — not stated by the source	USB Type-A
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 resolutionKnown for one	3840 x 2160 pixels	Unknown — not stated by the source
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Charging functionKnown for one	Yes	Unknown — not stated by the source
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Brand compatibilityKnown for one	Unknown — not stated by the source	Lenovo
CompatibilityKnown for one	Unknown — not stated by the source	P52s, P51s, ThinkPad 25, T480, T480s, T580, T570, T470, T470s, X1 Carbon Gen 6, X1 Carbon Gen 5, X1 Yoga Gen 3, X1 Yoga Gen 2, X1 Tablet Gen 3, X280, X380 Yoga, Yoga 370
Poweridentical
Compatible power plug typesKnown for one	EU	Unknown — not stated by the source
Power source typeKnown for one	Unknown — not stated by the source	DC
Operational conditions2 differ
Operating temperature (T-T)Differs	-5 - 40 °C	5 - 40 °C
Operating relative humidity (H-H)Differs	20 - 95%	5 - 95%
Weight & dimensions3 differ
WidthDiffers	171 mm	220 mm
Depth	80 mm	80 mm
HeightDiffers	32.5 mm	30 mm
WeightDiffers	290 g	250 g
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	AC, USB Type-C	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.

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