# Interface Card Sonnet BRD-UPGRTB3-SE1

**URL:** https://aio.lv/en/product--sonnet-brd-upgrtb3-se1--429712
**Data updated:** 2026-01-30 13:35 (EET)
**Category:** I/O Adapters & Controllers
**Manufacturer:** Sonnet
**Manufacturer code:** BRD-UPGRTB3-SE1
**EAN:** 0732311012075
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 266.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 220.65 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sonnet-brd-upgrtb3-se1--429712

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.99 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The Sonnet BRD-UPGRTB3-SE1 is an internal Thunderbolt 3 interface card with PCIe host interface. It supports data transfer rates up to 40 Gbit/s and is compatible with Windows 10 and Mac OS X 10.12 and later. The card features a sleek green and silver design and is compatible with Echo Express SE I and other Sonnet products, making it a versatile choice for high-speed connectivity.

## Long description

The Sonnet BRD-UPGRTB3-SE1 is an internal Thunderbolt 3 interface card with a PCIe host interface designed to upgrade compatible Sonnet enclosures (such as the Echo Express SE I) to full Thunderbolt 3 capability. It supports data transfer rates up to 40 Gbit/s, provides USB 3.1 Gen 2 (10 Gbit/s) connectivity on the secondary port, and is compatible with Windows 10 and macOS 10.12 or later. The card has a silver and green finish and installs inside the chassis to enable high-speed external connectivity.
Advantages
The upgrade card delivers native Thunderbolt 3 bandwidth of 40 Gbit/s rather than the 20 Gbit/s limit of Thunderbolt 2 adapters, allows daisy-chaining of additional Thunderbolt 3 peripherals at full speed, and supports connecting USB devices at up to 10 Gbit/s via the second port. It also supports two 4K displays at 60 Hz or a single 5K display at 60 Hz and is compatible with the ThunderLok 3 retainer clip for securing Thunderbolt cables to the chassis.
Suitable for
Users needing higher external bandwidth for storage or video I/O
Workflows requiring multiple Thunderbolt 3 devices daisy-chained
Setups that combine Thunderbolt peripherals and USB 3.1 Gen 2 devices
Enclosures such as Sonnet Echo Express SE I that accept this upgrade card
Key specifications
Host interface: PCIe internal card
Maximum data transfer: up to 40 Gbit/s (Thunderbolt 3)
Secondary port USB support: USB 3.1 Gen 2, up to 10 Gbit/s
Display support: two 4K @ 60 Hz or one 5K @ 60 Hz
Compatibility: Windows 10 and macOS 10.12 or later
Form factor: internal card for compatible enclosures
Colour: silver and green finish
How to use
Install the card into a compatible Sonnet chassis or another enclosure that accepts this upgrade card by powering down the chassis, opening the case, and inserting the PCIe card into the available slot following the enclosure’s installation instructions. Reassemble the chassis, power it on, and connect Thunderbolt 3 and USB cables to the card’s external ports. Install any required drivers or firmware updates on the host computer (Windows 10 or macOS 10.12 and later) to ensure full functionality.
Usage recommendations
For reliable operation, use certified Thunderbolt 3 cables and USB 3.1 Gen 2 cables, keep system firmware and drivers up to date, and consider using the ThunderLok 3 retainer clip to secure cables in mobile or vibration-prone environments.

## Specifications

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | 0 - 35 |

### Technical details

| Feature | Value |
|---|---|
| Compliance certificates | RoHS |

### Ports & interfaces

| Feature | Value |
|---|---|
| Host interface | PCIe |
| Output interface | Thunderbolt 3 |

### Other features

| Feature | Value |
|---|---|
| Quantity | 1 |

### System requirements

| Feature | Value |
|---|---|
| Windows operating systems supported | Windows 10 x64, Windows 10 Pro x64, Windows 10 Pro, Windows 10 IOT Core, Windows 10 Home x64, Windows 10 Home, Windows 10 Enterprise x64, Windows 10 Enterprise, Windows 10 Education x64, Windows 10 Education, Windows 10 |
| Mac operating systems supported | Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave |

### Design

| Feature | Value |
|---|---|
| Internal | Yes |
| Product colour | Silver, Green |

### Performance

| Feature | Value |
|---|---|
| Compatibility | Echo Express SE I |

### Packaging data

| Feature | Value |
|---|---|
| User guide | Yes |

### Features

| Feature | Value |
|---|---|
| Bandwidth | 2.75 Gbit/s |
| Data transfer rate (max) | 40 Gbit/s |

## FAQ

### How much does the Interface Card Sonnet BRD-UPGRTB3-SE1 cost, and is it available for purchase?

The price is 266.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: host interface, internal, output interface, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/429712/65746599_large.webp