Product comparison · 2 laptop docks & port replicators

StarTech.com Thunderbolt 2 Dual-Monitor Docking Station for Laptops - 2x DisplayPort - Includes TB Cable vs StarTech.com Thunderbolt 3 Dual-4K Docking Station for Laptops - Windows Only

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  • 48specifications compared
  • 22differ
  • 26identical
  • 14known for one product only

Key differences

  • Host interface
    • Thunderbolt 2 Dual-Monitor Docking Station for Laptops - 2x DisplayPort - Includes TB Cable:Thunderbolt
    • Thunderbolt 3 Dual-4K Docking Station for Laptops - Windows Only:Thunderbolt 3
  • USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
    • Thunderbolt 2 Dual-Monitor Docking Station for Laptops - 2x DisplayPort - Includes TB Cable:4
    • Thunderbolt 3 Dual-4K Docking Station for Laptops - Windows Only:2
  • DisplayPorts quantity
    • Thunderbolt 2 Dual-Monitor Docking Station for Laptops - 2x DisplayPort - Includes TB Cable:2
    • Thunderbolt 3 Dual-4K Docking Station for Laptops - Windows Only:1
  • Product colour
    • Thunderbolt 2 Dual-Monitor Docking Station for Laptops - 2x DisplayPort - Includes TB Cable:Silver
    • Thunderbolt 3 Dual-4K Docking Station for Laptops - Windows Only:Black, Grey
  • Data transfer rate
    • Thunderbolt 2 Dual-Monitor Docking Station for Laptops - 2x DisplayPort - Includes TB Cable:20 Gbit/s
    • Thunderbolt 3 Dual-4K Docking Station for Laptops - Windows Only:40 Gbit/s
  • Maximum digital resolution
    • Thunderbolt 2 Dual-Monitor Docking Station for Laptops - 2x DisplayPort - Includes TB Cable:3840 x 2160 pixels
    • Thunderbolt 3 Dual-4K Docking Station for Laptops - Windows Only:5120 x 2880 pixels
  • LED indicators
    • Thunderbolt 2 Dual-Monitor Docking Station for Laptops - 2x DisplayPort - Includes TB Cable:Activity, Link
    • Thunderbolt 3 Dual-4K Docking Station for Laptops - Windows Only:Power
  • Input current
    • Thunderbolt 2 Dual-Monitor Docking Station for Laptops - 2x DisplayPort - Includes TB Cable:2 A
    • Thunderbolt 3 Dual-4K Docking Station for Laptops - Windows Only:1.5 A

Side by side

Differences highlightedShow differences only (off)
Comparison of TB2DOCK4K2DP, TB3DK2DPWUE
62 specifications
Ports & interfaces3 differ
Connectivity technologyWiredWired
Host interfaceDiffersThunderboltThunderbolt 3
USB 2.0 ports quantity00
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers42
HDMI ports quantity00
DisplayPorts quantityDiffers21
Thunderbolt ports quantityKnown for one2Unknown — not stated by the source
Combo headphone/mic portKnown for oneYesUnknown — not stated by the source
Headphone outputs11
Headphone connectivity3.5 mm3.5 mm
Line-inKnown for oneYesUnknown — not stated by the source
S/PDIF out portKnown for oneYesUnknown — not stated by the source
DC-in jackYesYes
eSATA ports quantityKnown for one1Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for oneUnknown — not stated by the source1
Thunderbolt 3 ports quantityKnown for oneUnknown — not stated by the source2
Microphone inKnown for oneUnknown — not stated by the sourceYes
Networkidentical
Ethernet LANYesYes
Ethernet LAN (RJ-45) ports11
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Wake-on-LAN readyYesYes
Networking standardsKnown for oneIEEE 802.3, IEEE 802.3ab, IEEE 802.3uUnknown — not stated by the source
Auto MDI/MDI-XYesYes
Full duplexYesYes
Performance4 differ
Product colourDiffersSilverBlack, Grey
Card reader integratedNoNo
Data transfer rateDiffers20 Gbit/s40 Gbit/s
Maximum digital resolutionDiffers3840 x 2160 pixels5120 x 2880 pixels
Housing materialAluminium, PlasticAluminium, Plastic
LED indicatorsDiffersActivity, LinkPower
UASP supportYesYes
CertificationCE, FCC, ThunderboltCE, FCC, Thunderbolt
Brand compatibilityKnown for oneUnknown — not stated by the sourceAny brand
Power2 differ
Power source typeKnown for oneACUnknown — not stated by the source
AC input voltage100-240 V100-240 V
Input currentDiffers2 A1.5 A
Output current6 A6 A
Output voltage12 V12 V
Power consumption (typical)72 W72 W
Power plug typeType NType N
Compatible power plug typesDiffersAU, EU, UK, USEU, UK
Software1 differ
Windows operating systems supportedWindows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, 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 Home Premium, WindowsWindows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, 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 Home Premium, Windows
Mac operating systems supportedDiffersMac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.9 MavericksNo
Operational conditions3 differ
Operating temperature (T-T)Differs0 - 40 °C5 - 40 °C
Storage temperature (T-T)Differs-20 - 70 °C-40 - 70 °C
Operating relative humidity (H-H)Differs5 - 90%5 - 95%
Weight & dimensions3 differ
WidthDiffers87 mm80 mm
DepthDiffers270 mm220 mm
Height27 mm27 mm
WeightDiffers541 g442 g
Packaging data4 differ
Package widthDiffers145 mm134 mm
Package depthDiffers351 mm250 mm
Package heightDiffers97 mm114 mm
Package weightDiffers1.8 kg1.35 kg
Packaging content1 differ
AC adapter includedYesYes
Cables includedDiffersThunderboltAC, Thunderbolt
ManualYesYes
Technical detailsidentical
Compliance certificatesRoHSRoHS
Other features1 differ
ChipsetDiffersFalcon Ridge DSL5520, FL1100EX, ASM1061, CM6500, PCM2912A, WGI210ATIntel — Alpine Ridge DSL6540, Texas Instruments — TPS65982ABZQZR, Texas Instruments — HD3SS2522, Parade — PS181, Fresco Logic — FL1100-EX, Texas Instruments — TPS2546RTE, Texas Instruments — PCM2912APJT, Intel — WGI210AT
USB data transfer ratesKnown for one5000 Mbit/sUnknown — not stated by the source
Cable lengthKnown for oneUnknown — not stated by the source0.52 m
Number of microphone inputsKnown for oneUnknown — not stated by the source1

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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