Tech Specs

Product Specfications

Mac, Windows, and Linux Logos

Compatibility

Mac Compatibility

  • Mac (M series)
  • Mac (Intel) with Thunderbolt 3 ports
  • macOS 13+
  • macOS Sequoia compatible

Windows Compatibility

  • Windows computer with Thunderbolt 5 or 4 ports
  • Windows 11

Linux Compatibility

  • Linux computer with Thunderbolt 5 or 4 ports
  • Linux Kernel 6.1, 6.12

PCIe Card Compatibility

For a list of compatible PCIe cards, see the following PDF

PCIe Cards Compatibility PDF Download Link

Hardware

Part Number

  • ECHO-EX-SE3E-T3
  • ECHO-EX-SE3E-EU (for EU countries)

Warranty

  • 2-year

Form Factor

  • Thunderbolt desktop enclosure

External Connectors

  • Two Thunderbolt ports
  • 12V power port

Internal Connector

  • 6-pin Mini-Fit Jr (same type as on legacy Mac Pro motherboard; provides power for PCIe card that requires supplemental power)

Expansion Slots

  • One x8 mechanical (x4 electrical) PCIe 3.0
  • Two x8 mechanical (x8 electrical) PCIe 3.0

PCIe Cards Supported

  • One half-length+ (up to 7.75 inches long), double-width, full-height x8 PCIe card, plus one single-width card or
  • Three half-length+, single-width, full-height x8 PCIe cards

Power Adapter

  • Universal 120W, 100-240V, 50-60 Hz
  • NRTL Certified
NRTL Certified PDF Download Link

Cooling Fan

Operating Temperature

  • 0ºC to 35ºC (32ºF to 95ºF)

Dimensions (WxDxH)

  • 6.5 x 11 x 4.6 in. (16.5 x 27.9 x 11.7 cm)

Weight

  • 3.7 lbs. (1.7 kg)

Compliance

  • RoHS 3 (Directive 2015/863)
  • EC62368-1 and IEC62368-2 Safety

Package Contents

  • Echo Express SE IIIe Thunderbolt Expansion System
  • Universal power adapter
  • Region-specific power cable
  • 6-pin PCIe auxiliary power cable
  • 0.8-meter Thunderbolt cable
  • ThunderLok-A connector lock
  • Documentation

Support Links

Support Knowledge Base

Echo Express SE IIIe Thunderbolt Expansion System Support

Product Manual

Echo Express SE IIIe Manual PDF Download Link

Accessories

for Echo Express SE IIIe Desktop Thunderbolt Expansion System

Product Accessories

Thunderbolt Cable (0.5-meter)

Sonnet Thunderbolt Cables

  • Deliver full supported Thunderbolt bandwidth
  • Rated at 240W
  • Compatible with Sonnet ThunderLok-A connector lock
ThunderLok 3

ThunderLok-A

Part No. TB-LOK-A

Connector lock for securing compatible Sonnet Thunderbolt cables

Power Adapter

Power Adapter

Part No. PWR-5A-12V

Spare power adapter (12V, 5A)

Videos & Reviews

Echo Express SE IIIe Thunderbolt Expansion System