# Sonnet DuoModo Echo III Module Black Steel 400W

**URL:** https://aio.lv/en/product--sonnet-dm-mod-e3--4426290
**Data updated:** 2026-03-27 13:34 (EET)
**Category:** I/O Adapters & Controllers
**Manufacturer:** Sonnet
**Manufacturer code:** DM-MOD-E3
**EAN:** 0732311013317
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Sonnet DuoModo Echo III Module features a robust black steel housing and a powerful 400W power supply. Designed for professional use, it ensures reliable performance and durability. Ideal for expanding your setup with additional connectivity options.

## Long description

The Sonnet DuoModo Echo III Module Black Steel 400W is a Thunderbolt-connected external chassis that allows installation of up to three full-height, full-length PCIe cards in systems without internal expansion slots. Housed in a black steel enclosure, the module delivers a 400W power budget suitable for demanding PCIe cards and provides a 40Gbps Thunderbolt interface for high-throughput data transfer. Cooling is handled by two temperature-controlled Noctua fans designed for quiet operation, and the design includes compatibility for Thunderbolt‑compatible non-GPU PCIe cards used in professional audio, video, and I/O expansion workflows.
Advantages
The DuoModo Echo III Module offers a compact external expansion solution that preserves internal system space while enabling installation of three full-size PCIe cards. Its 400W power supply supports high-draw cards used in pro audio and media production, and the Thunderbolt 40Gbps interface minimizes bandwidth bottlenecks. Dual temperature-controlled Noctua fans provide reliable thermal management with low acoustic output, and the black steel housing delivers a durable, professional appearance suitable for studio and rack environments.
Suitable for
Professional audio systems requiring Pro Tools \| HDX or other high-power PCIe audio cards
Video capture, I/O expansion, and post-production setups that need additional PCIe interfaces
Workstations and laptops without internal PCIe slots that require external card connectivity
Key specifications
Supports up to three full-height, full-length PCIe cards (non-GPU)
External Thunderbolt interface with up to 40 Gbps bandwidth
400W internal power supply to support high-power PCIe cards
Dual temperature-controlled Noctua fans with low noise operation (approx. 17 dBA)
Black steel enclosure for durability and professional appearance
How to use
Install desired Thunderbolt‑compatible non‑GPU PCIe cards into the module following standard PCIe seating procedures, secure cards to the enclosure, and connect the module to a host computer via the Thunderbolt cable. Ensure the host system is compatible with external PCIe devices and that any necessary drivers or firmware for installed cards are present. Power on the module and the host system; the module’s fans will regulate temperature automatically based on internal thermal sensors.
Usage recommendations
Place the module on a stable surface or mount it in a rack with adequate ventilation. For reliable operation with high-power audio or I/O cards, verify power and driver compatibility before extended sessions. Keep vents clear and allow space for airflow to maintain low fan speeds and quiet operation.

## Specifications

| Feature | Value |
|---|---|
| Power supply | 400 W |
| Housing material | Steel |
| PCI Express x16 slots | 1 |

### Technical details

| Feature | Value |
|---|---|
| Warranty period | 2 year(s) |

### Ports & interfaces

| Feature | Value |
|---|---|
| Thunderbolt 3 ports quantity | 2 |

### Other features

| Feature | Value |
|---|---|
| Housing colour | Black |

### Packaging data

| Feature | Value |
|---|---|
| Power supply included | Yes |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Sonnet products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Sonnet service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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