Tech Specs

Product Specfications

Mac, Windows, Chromebook, and iPadOS logos.

Compatibility

Mac Compatibility

  • macOS 15+; compatible with macOS 27

Display Compatibility

One Display

  • M1, M2, M3(1) base models

Two Displays

  • M4, M5, M6 base models
  • M1, M2, M3, M4, M5 Pro, Max, and Ultra models
  • Intel Macs that support macOS 15+

Windows Compatibility

  • Windows 11 25H2+
  • Windows computer with Thunderbolt 5, Thunderbolt 4, or USB4 ports

Chromebook Compatibility

  • Current ChromeOS
  • Chromebook computer with Thunderbolt 5, Thunderbolt 4, or USB4 ports

iPad Pro Compatibility

  • Current iPadOS
  • iPad Pro (M series)
  • Note: M1/M2 iPad Pro supports one mirrored monitor; M4/M5 iPad Pro supports one extended or mirrored monitor

Displays Compatibility

For computers and displays compatibility information, see the following PDF

Displays compatibility PDF download link.

HDR Compatibility

Hardware

Part Number

  • ECHO-DK20-T4

Warranty

  • 2-year

Form Factor

  • Thunderbolt dock
  • Anodized extruded 6063 aluminum alloy

Connectors

  • Three Thunderbolt 4 ports
  • Four USB-A (10 Gbps USB 3.2 Gen 2) ports
  • Four USB-C (10 Gbps USB 3.2 Gen 2) charging ports
  • HDMI 2.1 port @ 60Hz
  • RJ45 2.5 Gigabit Ethernet port
  • 3.5 mm combination headphone/microphone jack
  • 3.5 mm microphone jack
  • Two (right and left channels) line out RCA jacks
  • UHS-II SD card slot
  • M.2 SSD slot
  • Power connector

Thunderbolt 4 Computer Port

  • Power Delivery
  • Provides laptop charging up to 100W(2)
  • Cables Supported
  • Thunderbolt 4 or Thunderbolt 5 cables
  • 100W 0.2, 0.5, 0.7, 0.8-meter Thunderbolt 3 cables
  • Cables Not Supported
  • 60W Thunderbolt 3 cables
  • 1.0, 1.5, 1.8, 2.0-meter Thunderbolt 3 cables

Thunderbolt 4 Peripherals Ports

  • Connectivity
  • Thunderbolt 4
  • Peripherals Supported
  • Thunderbolt 4 devices
  • Thunderbolt 3 devices
  • Thunderbolt 5 devices (at Thunderbolt 4 speeds)
  • USB4 devices
  • USB 3 and 2 devices
  • Thunderbolt and USB-C monitors
  • DisplayPort and HDMI monitors(3)

HDMI Port

  • Windows
  • HDMI 2.1 up to 8K @ 60Hz
  • macOS
  • HDMI 2.0 up to 4K @ 60Hz

USB-A Ports

  • Connectivity
  • USB 3.2 Gen 2
  • Peripherals Supported
  • USB 3 and 2 devices(4)
  • Data Transfer Rate
  • 10 Gbps

USB-C Ports

  • Connectivity
  • USB 3.2 Gen 2
  • Peripherals Supported
  • USB 3 and 2 devices(4)
  • Data Transfer Rate
  • 10 Gbps
  • Charging
  • 1.5A per port advertised using USB-C charging
  • 7.5W per port for operation or charging
  • Supports simultaneous charging and syncing

RJ45 (Ethernet) Port

  • Network Support
  • Supports 2500/1000/100 Mbps network speeds and Auto-MDI/MDI-X
  • Standard
  • Compliant with IEEE 802.3bz-2016, IEEE 802.3ab, and IEEE 802.3u specifications
  • Network
  • 2.5 Gigabit Ethernet (2.5GBASE-T, 1000BASE-T, 100BASE-TX)
  • Packets
  • Maximum packet size: 9000 bytes (Jumbo packets)
  • Chip
  • Realtek RTL8156

SD Card Slot

  • Fast UHS-II SD Card Reader
  • Cards Supported
  • SD, SDHC, SDXC
  • microSD, microSDHC, and microSDXC cards when used with adapter (sold separately)

Audio Line Out

  • Connectivity
  • RCA R+L connectors

Internal Slot

  • NVMe M.2 slot (connected at PCIe x1)

Power Delivery

  • Provides laptop charging up to 100W(2)

Kensington Security Slot

  • Supports Standard, MicroSaver, and MicroSaver 2 Locks

Power Adapter

  • Universal 150W, 100-240V AC, 50-60 Hz

Operating Temperatures

  • 0˚C to 35˚C (32˚F to 95˚F)

Dimensions (WxDxH)

  • Dock: 9.6 x 4.2 x 1.3 in. (24.3 x 10.6 x 3.3 cm)
  • Power Adapter: 2.6 x 5.4 x 0.9 in. (6.6 x 13.7 x 2.2 cm)

Weight

  • Dock and Power Supply: 2.55 lbs (1.16 kg)
  • Complete Package: 3.55 lbs (1.51 kg)

Package Contents

  • Echo 20 Thunderbolt 4 SuperDock
  • Power adaper
  • Power cord
  • 0.8-meter Thunderbolt cable
  • ThunderLok-B connector lock
    (compatible only with Thunderbolt cable shipped with Echo 20 Thunderbolt 4 SuperDock)
  • Documentation
Echo 20 Thunderbolt 4 SuperDock packaging contents.

Support Links

Support Knowledge Base

Echo 20 Thunderbolt 4 SuperDock Support

Product Documentation

Echo 20 Thunderbolt 4 SuperDock documentation PDF download link.

Technical Notes

  • M3 base model laptops support two external displays in closed clamshell mode.
  • Charging rate varies according to overall power usage. When sleeping, any connected computer that supports Thunderbolt charging will be charged to 100% by the dock.
  • Thunderbolt compatible display adapter required (sold separately).
  • The USB 3 specification limits the total number of USB 3 hubs, which, because of Thunderbolt USB architecture, is reached in the Echo 20 Thunderbolt 4 SuperDock. An external USB 3 hub (including devices with an internal hub, such as KVM switch, or keyboard with mouse connector) needs to be connected to a Thunderbolt port.

Accessories

for Echo 20 Thunderbolt 4 SuperDock

Product Accessories

Thunderbolt cables.

Sonnet Thunderbolt Cables

  • Deliver full supported Thunderbolt bandwidth
  • Rated at 240W
  • Compatible with Sonnet ThunderLok-A connector lock
ThunderLok-A.

ThunderLok-A

Part No. TB-LOK-A

Connector lock for securing compatible Sonnet Thunderbolt cables

ThunderLok-B.

ThunderLok-B Retainer Lock

Part No. TB-LOK-B

Secures Thunderbolt cable included with Solo10G Thunderbolt Adapter and Echo 20 Thunderbolt 4 SuperDock

Videos & Reviews

Echo 20 Thunderbolt 4 SuperDock