---
product_id: 72611878
title: "Sonnet brd-upgrtb3-se1 Thunderbolt 3 Upgrade Card for Echo Express SE Thunderbolt 2 I Edition New *"
brand: "sonnet"
price: "C$412"
currency: NIO
in_stock: true
url: https://www.desertcart.ni/products/72611878-sonnet-brd-upgrtb3-se1-thunderbolt-3-upgrade-card-for-echo
store_origin: NI
region: Nicaragua
---

# 40Gbps speed Daisy-chain 5 devices Dual 4K/5K support Sonnet brd-upgrtb3-se1 Thunderbolt 3 Upgrade Card for Echo Express SE Thunderbolt 2 I Edition New *

**Brand:** sonnet
**Price:** C$412
**Availability:** ✅ In Stock

## Summary

> ⚡ Upgrade Your Thunderbolt Game!

## Quick Answers

- **What is this?** Sonnet brd-upgrtb3-se1 Thunderbolt 3 Upgrade Card for Echo Express SE Thunderbolt 2 I Edition New * by sonnet
- **How much does it cost?** C$412 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/72611878-sonnet-brd-upgrtb3-se1-thunderbolt-3-upgrade-card-for-echo)

## 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

- • **Upgrade Your System:** Transform your Thunderbolt 2 setup with lightning-fast 40Gbps performance!
- • **Connect More Devices:** Daisy-chain up to five Thunderbolt devices effortlessly.
- • **Secure Your Connection:** ThunderLok 3 ensures your cables stay connected, no more accidental disconnections!
- • **Future-Proof Your Setup:** Compatible with the latest Thunderbolt 3 technology for ongoing performance enhancements.
- • **Unleash Bandwidth Potential:** Experience a 30% to 100% increase in bandwidth for your PCIe cards.

## Overview

The Sonnet brd-upgrtb3-se1 Thunderbolt 3 Upgrade Card is designed to enhance your Thunderbolt 2-to-PCIe card expansion system, offering a seamless installation process and significantly improved performance. With dual Thunderbolt 3 ports, it allows for daisy-chaining multiple devices and supports high-resolution displays, making it an essential upgrade for professionals seeking to maximize their workflow.

## Description

Sonnet For expansion Echo Express card Thunderbolt 2-to-pcie (and choose Thunderbolt 2 adapter) and which can be used to easily connect with 40Gbps Thunderbolt 3. Simply replace the Thunderbolt network card with the upgrade board, and then immediately work for stretcher performance higher, and connect to Thunderbolt 3-equipped computer without an adapter. With a Thunderbolt 3 interface card installed, your gains from upgrading the Echo Express Thunderbolt 2 system from 30% to 100% more bandwidth to the system original (see the Performance tab for more information). Installed in an improved version of the system, the cards PCIe with the requirements bandwidth high, such as cards E/S Fibre Channel 16 GB and 4 K video, for frequencies of images high, will be able to make you even better than before.

## Features

- Easy to Install 40Gpbs Thunderbolt 3 Upgrade Card-Replaces existing 20Gbps Thunderbolt interface board in your Thunderbolt 2-to-PCIe card expansion system
- Improved Performance with High-Bandwidth PCIe Cards-Your upgraded expansion system will provide from 30% to 100% more bandwidth for installed PCIe cards
- 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 devices, attaching a single USB peripheral device, or connecting up to two 4K displays or one 5K display.
- ThunderLok 3-Compatible-Thunderbolt connector retainer clip secures cable from accidental disconnections

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | SoNNeT |
| Item model number | BRD-UPGRTB3-SE1 |
| Manufacturer | SONNET |
| Colour | green |
| Graphics Card Interface | PCI Express |
| Wattage | 5 |
| Operating System | Thunderbolt 3 |
| Are Batteries Included | No |
| Item Weight | 77 g |
| Guaranteed software updates until | unknown |

## Product Details

- **Brand:** SoNNeT
- **Hardware interface:** USB, USB Type C, Thunderbolt
- **Style:** Modern
- **Item weight:** 0.08 Kilograms
- **Compatible devices:** Ordenador personal

## Images

![Sonnet brd-upgrtb3-se1 Thunderbolt 3 Upgrade Card for Echo Express SE Thunderbolt 2 I Edition New * - Image 1](https://m.media-amazon.com/images/I/71fWWZPeA4L.jpg)

## Frequently Bought Together

- Sonnet brd-upgrtb3-se1 Thunderbolt 3 Upgrade Card for Echo Express SE Thunderbolt 2 I Edition New *
- Sonnet Echo 20 Thunderbolt 4 SuperDock

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**Shop now:** [https://www.desertcart.ni/products/72611878-sonnet-brd-upgrtb3-se1-thunderbolt-3-upgrade-card-for-echo](https://www.desertcart.ni/products/72611878-sonnet-brd-upgrtb3-se1-thunderbolt-3-upgrade-card-for-echo)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-01-27*