Compatibility

Mac Compatibility

• Mac (Intel®) with a Thunderbolt 2 or Thunderbolt port
• Mac (Intel) with a Thunderbolt 3 port with an Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter (sold separately) plus a Thunderbolt 2 cable
• Mac (M1) with interface upgrade to Thunderbolt 3 and with PCIe cards that have M1 compatible drivers
• OS X® 10.8.5+
• macOS® Big Sur compatible

Linux Compatibility

• Linux® computer with a Thunderbolt 2 port
• Linux Kernel 5.0+

PCIe Card Compatibility

For a list of compatible PCIe cards, view the PDF of Sonnet's PCIe Card Thunderbolt Compatibility Chart

Hardware

Part Number

• ECHO-EXP3FD

Warranty

• 2-year

Form Factor

• Desktop expansion system

External Connectors

• Two Thunderbolt 2 ports

Internal Connector

• 6-pin Mini-Fit Jr (same type as on legacy Mac Pro motherboard; provides up to 75W of power for PCIe cards that require supplemental power)

Expansion Slots (Facing Rear, Left to Right)

• One x8 mechanical (x8 electrical) PCIe 2.0
• One x16 mechanical (x8 electrical) PCIe 2.0
• One x8 mechanical (x4 electrical) PCIe 2.0

PCIe Cards Supported

• One full-length, full-height, double-width PCIe card, plus one single-width card or
• Three full-length, full-height, single-width PCIe cards

Power Supply

• Universal 300W, 115-230V AC, 50-60 Hz(2)

Operating Temperature

• 0ºC to 35ºC (32ºF to 95ºF)

Dimensions (WxDxH)

• 3.8 x 16 x 10.2 in. (9.7 x 40.5 x 25.9 cm)

Weight

• 7.5 lbs (3.4 kg)

RoHS Compliant

• Yes

Package Contents

• Echo Express III-D
• Power cord
• 1-meter Thunderbolt 2 cable
• ThunderLok Thunderbolt Connector Retainer Clip(1)
• Documentation

Support Links

Support Knowledge Base

Drivers, Documentation, FAQs

Product Manual