---
product_id: 650059366
title: "Sonnet Echo Express SE1 Thunderbolt 3 Expansion Chassis"
brand: "sonnet"
price: "€ 1146.57"
currency: EUR
in_stock: true
reviews_count: 7
category: "So N Ne T"
url: https://www.desertcart.gr/products/650059366-sonnet-echo-express-se1-thunderbolt-3-expansion-chassis
store_origin: GR
region: Greece
---

# 40Gbps Thunderbolt 3 speed Dual Thunderbolt 3 ports for daisy-chaining PCIe 3.0 x8 slot support Sonnet Echo Express SE1 Thunderbolt 3 Expansion Chassis

**Brand:** sonnet
**Price:** € 1146.57
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your setup: PCIe power meets Thunderbolt 3 speed in a sleek, daisy-chain-ready chassis!

## Quick Answers

- **What is this?** Sonnet Echo Express SE1 Thunderbolt 3 Expansion Chassis by sonnet
- **How much does it cost?** € 1146.57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/650059366-sonnet-echo-express-se1-thunderbolt-3-expansion-chassis)

## Best For

- sonnet enthusiasts

## Why This Product

- Trusted sonnet brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Daisy-Chain Like a Pro:** Two Thunderbolt 3 ports let you connect up to five additional devices or multiple 4K/5K displays effortlessly.
- • **Compact Yet Mighty Design:** Sleek, lightweight chassis fits on your desk without sacrificing full PCIe card compatibility.
- • **Unleash PCIe Power Anywhere:** Connect high-performance PCIe cards to any Thunderbolt 3 Mac or Windows PC—no internal slots needed.
- • **Quiet, Reliable, and Compatible:** Engineered with quiet cooling and broad PCIe card support, trusted by pros for stable, high-performance use.
- • **Blazing 40Gbps Thunderbolt 3 Interface:** Experience ultra-fast 2750 MB/s PCIe bandwidth, doubling Thunderbolt 2 speeds for seamless workflows.

## Overview

The Sonnet Echo Express SE1 is a compact Thunderbolt 3 expansion chassis that enables professional users to connect a single half-length, full-height PCIe 3.0 x8 card to any Mac or Windows PC with Thunderbolt 3 ports. Delivering up to 40Gbps bandwidth and featuring dual Thunderbolt 3 ports for daisy-chaining, it offers high performance in a lightweight aluminum design, ideal for audio, video, and data professionals seeking flexible external PCIe expansion without internal slots.

## Description

Shop Sonnet Echo Express SE1 Thunderbolt 3 Expansion Chassis. Free delivery and returns on eligible orders.

Review: Great Thunderbolt-3 external card solution - Does exactly what it says on the tin, allows use of a PCIe card with a daughter board. Be aware, there is a difference between _Thunderbolt 2_ and _Thunderbolt 3_. Thunderbolt 2 is a squareish connector. Thunderbolt 3 shares form with the USB-C connector and has extra functionality on top of USB-C, and is thin and wide with rounded edges, also reversible. This is a TB3 dock. They also sell a different TB2 enclosure which looks the same other than the ports at the back. It says that external graphics cards are not supported, but they sell a separate GPU dock for that. This is most likely due to the huge power draws for graphics cards. This has a small fan, but it's fairly quiet and for the tech handy can be replaced. The slot type is PCIe, not the old PCI standard (but adapters exist). It has 2 ports for the intended Thunderbolt passthrough, a premium over many TB products that only has a single port and have to form the end of a chain. Sonnet has a very useful compatibility chart on their website showing a mass of PCIe cards they have tested. showing the compatibility is very high. This is something I strongly appreciated, as Thunderbolt is a rather messy technology and there has been a string of poor and crashy implementations and docks. Build quality is good and light weight, made for standing on a desk, not really flimsy but not built like a tank either. On par with an external hard drive, definitely portable but I would be careful with it. Swapping out the card does take a minute as you have to unscrew the feet. For several cards I would get their 3-card enclosure, but that's also 3x the price. I bought this for use with an UAD-2 card in Pro Tools, and it works great. I did a lot of research beforehand and it seems to be the best and safest for what it does.
Review: Very happy - Works like a dream.

## Features

- Connects a PCIe Expansion Card to Computers Without Slots—Use high-performance PCIe cards with any Mac or Windows PC with a Thunderbolt 3 port (not to be used as a GPU chassis)
- One PCIe 3.0 x8 Slot—Supports one half-length+ (up to 7.75 inches long), full-height, single-width PCIe card (plus one daughter card)
- 40Gbps Thunderbolt 3 Interface—Offers 2750 MB/s of PCIe bandwidth, doubling the performance of Thunderbolt 2
- Full Performance In a Small and Light Design—Takes up little space on the desktop, but large enough to support nearly every Thunderbolt-compatible PCIe card, at full performance
- Two Thunderbolt 3 (USB-C) Ports—One port reserved for connection to the computer; second port supports daisy-chaining of up to five additional Thunderbolt(5) devices to your computer, attaching a single USB(6) peripheral device, or connecting up to two 4K displays or one 5K display(4)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01MTP2XMZ |
| Antenna Location | Professional Video Editing, Professional Audio Production, Data Transfer and Management, High-Performance Computing |
| Best Sellers Rank | 63,130 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 365 in Graphics Cards |
| Brand Name | SoNNeT |
| Case Type | Desktop |
| Colour | black |
| Compatible Devices | Mac (M series) with compatible PCIe cards, Mac (Intel) with Thunderbolt 3 ports, Windows computers with Thunderbolt 4 or Thunderbolt 3 ports, Linux computers with Thunderbolt 4 or Thunderbolt 3 ports |
| Cooling Method | Air |
| Country of Origin | USA |
| Customer Reviews | 4.4 4.4 out of 5 stars (157) |
| Enclosure Material | Aluminium |
| Global Trade Identification Number | 00732311012051 |
| Hard Disk Form Factor | 3.5 Inches |
| Item Dimensions D x W x H | 8.9D x 14.2W x 8.9H centimetres |
| Item Weight | 1.18 kg |
| Manufacturer | Sonnet Technologies |
| Model Name | ECHO-EXP-SE1-T3 |
| Number of Fans | 5 |
| Other Special Features of the Product | Thunderbolt 3 Interface, PCIe Card and Daughter Card Support, Compact and Lightweight Design |
| Power Supply Mounting Type | Bottom Mount |
| Supported Motherboard | Mini ITX |
| Total Expansion Slots Quantity | 1 |
| Total USB Ports | 3 |
| UPC | 732311012051 |
| Unit Count | 1.0 count |

## Product Details

- **Brand:** SoNNeT
- **Case type:** Desktop
- **Colour:** black
- **Cooling method:** Air
- **Item weight:** 1.18 kg
- **Material:** Aluminium
- **Model name:** ECHO-EXP-SE1-T3
- **Motherboard compatibility:** Mini ITX
- **Power supply mounting type:** Bottom Mount

## Images

![Sonnet Echo Express SE1 Thunderbolt 3 Expansion Chassis - Image 1](https://m.media-amazon.com/images/I/41fpFZ9VzfL.jpg)
![Sonnet Echo Express SE1 Thunderbolt 3 Expansion Chassis - Image 2](https://m.media-amazon.com/images/I/51xsIQDC7-L.jpg)
![Sonnet Echo Express SE1 Thunderbolt 3 Expansion Chassis - Image 3](https://m.media-amazon.com/images/I/513LJcjVeLL.jpg)
![Sonnet Echo Express SE1 Thunderbolt 3 Expansion Chassis - Image 4](https://m.media-amazon.com/images/I/61FqviyMLwL.jpg)
![Sonnet Echo Express SE1 Thunderbolt 3 Expansion Chassis - Image 5](https://m.media-amazon.com/images/I/41B3BBZmrIL.jpg)

## Questions & Answers

**Q: Does this work with the razer blade if I use a 1050ti?**
A: This product is not designed to work with graphic cards because it does not have adequate power.  Our product for graphic cards is our eGFX Breakaway Box

**Q: How much power (in wattage) is being sent to the pci-e lane?**
A: The SEL and SE I both send the PCIe specification to the x4 PCIe 2.0 slot: 25 Watts.

**Q: Is a Thunderbolt 3 (USB-C) cable included?**
A: Yes, all of Sonnet's Thunderbolt 3 and Thunderbolt 4 products include a Thunderbolt cable.

**Q: Would this work if i used a thunderbolt 3 to 2 adapter (i have a macbook pro 2013)and stuck a graphics card in it**
A: This would not be a very good product to use a graphics card with and especially if you are going to adapt it to thunderbolt 2. I do not believe that this is a fast enough port for modern day graphics cards. 
Try this product: https://www.amazon.com/Razer-Core-V2-Thunderbolt-Enclosure/dp/B0791ZCH4Q

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Thunderbolt-3 external card solution
*by M***N on 10 May 2018*

Does exactly what it says on the tin, allows use of a PCIe card with a daughter board. Be aware, there is a difference between _Thunderbolt 2_ and _Thunderbolt 3_. Thunderbolt 2 is a squareish connector. Thunderbolt 3 shares form with the USB-C connector and has extra functionality on top of USB-C, and is thin and wide with rounded edges, also reversible. This is a TB3 dock. They also sell a different TB2 enclosure which looks the same other than the ports at the back. It says that external graphics cards are not supported, but they sell a separate GPU dock for that. This is most likely due to the huge power draws for graphics cards. This has a small fan, but it's fairly quiet and for the tech handy can be replaced. The slot type is PCIe, not the old PCI standard (but adapters exist). It has 2 ports for the intended Thunderbolt passthrough, a premium over many TB products that only has a single port and have to form the end of a chain. Sonnet has a very useful compatibility chart on their website showing a mass of PCIe cards they have tested. showing the compatibility is very high. This is something I strongly appreciated, as Thunderbolt is a rather messy technology and there has been a string of poor and crashy implementations and docks. Build quality is good and light weight, made for standing on a desk, not really flimsy but not built like a tank either. On par with an external hard drive, definitely portable but I would be careful with it. Swapping out the card does take a minute as you have to unscrew the feet. For several cards I would get their 3-card enclosure, but that's also 3x the price. I bought this for use with an UAD-2 card in Pro Tools, and it works great. I did a lot of research beforehand and it seems to be the best and safest for what it does.

### ⭐⭐⭐⭐⭐ Very happy
*by C***K on 16 May 2021*

Works like a dream.

### ⭐⭐⭐⭐⭐ Review
*by J***V on 3 August 2025*

This is the best Pcie / thunderbolt extension in the market for Mac.

## Frequently Bought Together

- Sonnet Echo Express SE1 Thunderbolt 3 Expansion Chassis (Echo-EXP-SE!-T3)
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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-03-24*