Product comparison · 2 laptop docks & port replicators

CLUB3D CAC-2531 laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black vs Lenovo 40B00135AR laptop dock/port replicator Wired Thunderbolt 4 Black, Red

19specifications compared
12differ
7identical
33known for one product only

Key differences

The Lenovo 40B00135AR laptop dock/port replicator Wired Thunderbolt 4 Black, Red has 1 more HDMI ports quantity than the CLUB3D CAC-2531 laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black (1 vs 0). The Lenovo 40B00135AR laptop dock/port replicator Wired Thunderbolt 4 Black, Red has 143.5 mm more width than the CLUB3D CAC-2531 laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black (220 mm vs 76.5 mm). The Lenovo 40B00135AR laptop dock/port replicator Wired Thunderbolt 4 Black, Red has 46 mm more depth than the CLUB3D CAC-2531 laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black (80 mm vs 34 mm). Host interface: USB 3.2 Gen 1 (3.1 Gen 1) Type-C on the CLUB3D CAC-2531 laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black, Thunderbolt 4 on the Lenovo 40B00135AR laptop dock/port replicator Wired Thunderbolt 4 Black, Red. Ethernet LAN data rates: 10000,5000,2500,1000 Mbit/s on the CLUB3D CAC-2531 laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black, 100,1000 Mbit/s on the Lenovo 40B00135AR laptop dock/port replicator Wired Thunderbolt 4 Black, Red.

HDMI ports quantity
- CAC-2531 laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:0
- 40B00135AR laptop dock/port replicator Wired Thunderbolt 4 Black, Red:1
Ethernet LAN data rates
- CAC-2531 laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:10000,5000,2500,1000 Mbit/s
- 40B00135AR laptop dock/port replicator Wired Thunderbolt 4 Black, Red:100,1000 Mbit/s
Product colour
- CAC-2531 laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:Black
- 40B00135AR laptop dock/port replicator Wired Thunderbolt 4 Black, Red:Black, Red
Width
- CAC-2531 laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:76.5 mm
- 40B00135AR laptop dock/port replicator Wired Thunderbolt 4 Black, Red:220 mm
Depth
- CAC-2531 laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:34 mm
- 40B00135AR laptop dock/port replicator Wired Thunderbolt 4 Black, Red:80 mm
Height
- CAC-2531 laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:15 mm
- 40B00135AR laptop dock/port replicator Wired Thunderbolt 4 Black, Red:30 mm
Weight
- CAC-2531 laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:42 g
- 40B00135AR laptop dock/port replicator Wired Thunderbolt 4 Black, Red:450 g
Package width
- CAC-2531 laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black:100 mm
- 40B00135AR laptop dock/port replicator Wired Thunderbolt 4 Black, Red:270 mm

Side by side

Differences highlightedShow differences only

Comparison of CAC-2531, 40B00135AR
52 specifications	A CLUB3D CAC-2531 laptop dock/port replicator Wired USB 3.2 Gen 1 (3.1 Gen 1) Type-C Black Model CAC-2531 View product	B Lenovo 40B00135AR laptop dock/port replicator Wired Thunderbolt 4 Black, Red Model 40B00135AR View product
Ports & interfaces2 differ
Connectivity technology	Wired	Wired
Host interfaceDiffers	USB 3.2 Gen 1 (3.1 Gen 1) Type-C	Thunderbolt 4
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	Unknown — not stated by the source	4
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	Unknown — not stated by the source	1
USB Power Delivery (USB PD)Known for one	Unknown — not stated by the source	Yes
USB Power Delivery up toKnown for one	Unknown — not stated by the source	100 W
HDMI ports quantityDiffers	0	1
HDMI versionKnown for one	Unknown — not stated by the source	2.1
DisplayPorts quantityKnown for one	Unknown — not stated by the source	2
DisplayPort versionKnown for one	Unknown — not stated by the source	1.4
Thunderbolt 4 ports quantityKnown for one	Unknown — not stated by the source	1
Microphone in	No	No
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Headphone outputs	0	0
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN (RJ-45) ports	1	1
Ethernet LAN data ratesDiffers	10000,5000,2500,1000 Mbit/s	100,1000 Mbit/s
Performance1 differ
Product colourDiffers	Black	Black, Red
Card reader integrated	No	No
Maximum refresh rateKnown for one	Unknown — not stated by the source	60 Hz
Number of displays supportedKnown for one	Unknown — not stated by the source	4
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
On/off switchKnown for one	Unknown — not stated by the source	Yes
Brand compatibilityKnown for one	Unknown — not stated by the source	Lenovo
CertificationKnown for one	Unknown — not stated by the source	cULus, FCC,ICES,NOM
Data transfer rateKnown for one	10 Gbit/s	Unknown — not stated by the source
Poweridentical
AC input voltageKnown for one	Unknown — not stated by the source	20 V
Input currentKnown for one	Unknown — not stated by the source	6.75 A
Power supplyKnown for one	Unknown — not stated by the source	135 W
Softwareidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Windows 10, Windows 11
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Weight & dimensions4 differ
WidthDiffers	76.5 mm	220 mm
DepthDiffers	34 mm	80 mm
HeightDiffers	15 mm	30 mm
WeightDiffers	42 g	450 g
Packaging data4 differ
Quantity per pack	1 pc(s)	1 pc(s)
Package widthDiffers	100 mm	270 mm
Package depthDiffers	35 mm	195 mm
Package heightDiffers	100 mm	85 mm
Package weightDiffers	22 g	1.2 kg
Packaging contentidentical
Warranty cardKnown for one	Unknown — not stated by the source	Yes
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Cables includedKnown for one	Unknown — not stated by the source	Thunderbolt
Packaging compositionidentical
Paper/cardboard packaging weightKnown for one	22 g	Unknown — not stated by the source
Plastic packaging weightKnown for one	3 g	Unknown — not stated by the source
Total paper/cardboard packaging weightKnown for one	0 g	Unknown — not stated by the source
Total plastic packaging weightKnown for one	0 g	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	8544 4290	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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