Sonnet DuoModo Echo III Module
Sonnet DuoModo Echo III Module
Three-Slot 40Gbps Thunderbolt PCIe Expansion Module With 400W Power Supply
The Sonnet DuoModo Echo III Module is a three-slot Thunderbolt PCIe expansion module for compatible Sonnet modular enclosures.
It supports up to three full-length professional PCIe cards, provides a 40Gbps Thunderbolt interface and integrates a 400W power supply with auxiliary PCIe power for demanding non-GPU cards.
- 3 × full-length PCIe expansion slots.
- 40Gbps Thunderbolt interface with two Thunderbolt ports.
- Up to 2800 MB/s aggregate PCIe bandwidth.
- 400W power supply with 75W auxiliary PCIe power.
Category: All PCIe Expansion Chassis
Brand: Sonnet Technology
Original price was: £ 1,157.00.£ 1,055.95Current price is: £ 1,055.95. | £ 1,267.14 inc VAT
In Stock
Sonnet DuoModo Echo III Module – Product Overview
The Sonnet DuoModo Echo III Module (DM-MOD-E3) is the three-slot PCIe expansion module used in Sonnet's Echo III desktop and rackmount systems and compatible DuoModo/xMac modular enclosures.
Three Professional PCIe Slots
The module supports three full-height, full-length, single-width PCIe cards, or one double-width card plus one single-width card. Its slot layout comprises one x8 mechanical/x8 electrical slot, one x16 mechanical/x8 electrical slot and one x8 mechanical/x4 electrical slot.
40Gbps Thunderbolt Connectivity
Two Thunderbolt ports provide host and downstream connectivity, with Sonnet specifying up to 2800 MB/s aggregate PCIe bandwidth for the installed cards.
400W Power Supply
The module integrates a universal 400W power supply and includes a 6-pin auxiliary PCIe power connection capable of providing up to 75W for compatible cards that require supplemental power.
Quiet Professional Cooling
Dual temperature-controlled Noctua fans are designed for low-noise operation around 17 dBA, making the module suitable for audio, broadcast and post-production environments.
HDX Support
The Echo III platform includes an Avid Pro Tools HDX compatibility mode. When enabled, the PCIe slots operate in PCIe 2.0 mode.
Sonnet DuoModo Echo III Module – Key Features
- Three-slot Thunderbolt PCIe expansion module.
- Supports three full-length single-width cards or one double-width plus one single-width card.
- PCIe 3.1 slot layout: x8/x8, x16/x8 and x8/x4 mechanical/electrical.
- 40Gbps Thunderbolt interface with two Thunderbolt ports.
- Up to 2800 MB/s aggregate PCIe bandwidth.
- Universal 400W power supply.
- 75W auxiliary PCIe power connection.
- Dual quiet Noctua cooling fans.
- Avid Pro Tools HDX compatibility mode.
- Two-year Sonnet warranty.
Sonnet DuoModo Echo III Module – Technical Specifications
| Product | Sonnet DuoModo Echo III Module |
| Manufacturer Part Number | DM-MOD-E3 |
| Product Type | Three-slot Thunderbolt PCIe expansion module |
| PCIe Slot 1 | x8 mechanical, x8 electrical PCIe 3.1 |
| PCIe Slot 2 | x16 mechanical, x8 electrical PCIe 3.1 |
| PCIe Slot 3 | x8 mechanical, x4 electrical PCIe 3.1 |
| Thunderbolt Interface | 40Gbps Thunderbolt |
| Thunderbolt Ports | 2 |
| Maximum Aggregate PCIe Bandwidth | Up to 2800 MB/s |
| Power Supply | Universal 400W, 115–230V AC, 50–60Hz |
| Auxiliary PCIe Power | 6-pin, up to 75W |
| Dimensions | 8.4 × 42.2 × 21.7 cm / 3.3 × 16.6 × 8.5 in |
| Weight | 2.25 kg / 4.95 lb |
| Warranty | 2 years |
Sonnet DuoModo Echo III Module Product Downloads
Sonnet DuoModo Echo III Module – Product Videos
Sonnet Technology Delivery Information
Generally, next working day delivery services (UK Mainland) are available on standard Sonnet Technology Delivery orders placed before 2 pm (subject to stock availability).
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Please note: these product details are for guide purposes only, and may contain errors.
We always recommend double-checking the product specs and features on the manufacturer website, or contact us if unsure before ordering.















