Product comparison · 2 laptop docks & port replicators

Lenovo 04W3947 laptop dock/port replicator Docking Black vs Lenovo 04W3949 laptop dock/port replicator Docking Black

22specifications compared
6differ
16identical
10known for one product only

Key differences

USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 04W3947 laptop dock/port replicator Docking Black:3
- 04W3949 laptop dock/port replicator Docking Black:1
HDMI ports quantity
- 04W3947 laptop dock/port replicator Docking Black:1
- 04W3949 laptop dock/port replicator Docking Black:0
Operating temperature (T-T)
- 04W3947 laptop dock/port replicator Docking Black:-20 - 43 °C
- 04W3949 laptop dock/port replicator Docking Black:-20 - 60 °C
Operating relative humidity (H-H)
- 04W3947 laptop dock/port replicator Docking Black:8 - 95%
- 04W3949 laptop dock/port replicator Docking Black:5 - 95%
Weight
- 04W3947 laptop dock/port replicator Docking Black:920 g
- 04W3949 laptop dock/port replicator Docking Black:820 g

Side by side

Differences highlightedShow differences only

Comparison of 04W3947, 04W3949
32 specifications	A Lenovo 04W3947 laptop dock/port replicator Docking Black Model 04W3947 View product	B Lenovo 04W3949 laptop dock/port replicator Docking Black Model 04W3949 View product
Ports & interfaces2 differ
Connectivity technology	Docking	Docking
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	3	1
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 quantityKnown for one	2	Unknown — not stated by the source
DVI-D ports quantityKnown for one	1	Unknown — not stated by the source
Microphone in	No	No
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Headphone outputs	0	0
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
Performance1 differ
Product colour	Black	Black
Card reader integrated	No	No
Charging function	Yes	Yes
CompatibilityDiffers	ThinkPad T440, T440s, T440p, T540p, T450, T450s, X240, X250, L450, L540, L440	T450, T450s, T540p, T440p, T440, T440s, L450, L540, L440, X250, X240
Certification	EC DOC/S-DOC, CB, CE, UL, FCC, AS/NZS S-DOC, VCCI, BSMI, KCC, NOM, GOST, UkrSEPRO	EC DOC/S-DOC, CB, CE, UL, FCC, AS/NZS S-DOC, VCCI, BSMI, KCC, NOM, GOST, UkrSEPRO
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Brand compatibilityKnown for one	Unknown — not stated by the source	Lenovo
Operational conditions2 differ
Operating temperature (T-T)Differs	-20 - 43 °C	-20 - 60 °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%	5 - 95%
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Weight & dimensions1 differ
Width	345 mm	345 mm
Depth	162.5 mm	162.5 mm
Height	55.6 mm	55.6 mm
WeightDiffers	920 g	820 g
Packaging contentidentical
AC adapter included	Yes	Yes
Cables includedKnown for one	Unknown — not stated by the source	AC
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84733020	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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