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
Part Number
Warranty
Form Factor
- Thunderbolt desktop enclosure
External Connectors
- Two Thunderbolt ports
- Power (C14-type)
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)(1)
- One x8 mechanical (x8 electrical) PCIe 3.1
- One x16 mechanical (x8 electrical) PCIe 3.1
- One x8 mechanical (x4 electrical) PCIe 3.1
PCIe Cards Supported
- Three full-length, full-height, single-width PCIe cards or
- One full-length, full-height, double-width PCIe card, plus one single-width card
Power Supply
- Universal 400W, 115-230V AC, 50-60 Hz
Operating Temperature
- 0ºC to 35ºC (32ºF to 95ºF)
Dimensions (WxDxH)
- 3.5 x 16.7 x 9 in. (8.9 x 42.4 x 22.9 cm)
Weight
Compliance
- RoHS 3 (Directive 2015/863)
- IEC62368-1 and IEC62368-2 Safety
Package Contents
- Echo III Desktop Thunderbolt Expansion System
- Region-specific power cable
- 6-pin PCIe auxiliary power cable
- 0.8- meter Thunderbolt cable
- ThunderLok-A connector lock
- Documentation
- When set to HDX compatibility mode, PCIe slots operate in PCIe 2.0 mode and the chassis’ bandwidth is limited to 1750 MB/s.