--- product_id: 44351724 title: "Sonnet Thunderbolt 3 Upgrade Card for Echo Express III-D III-R Expansion System" brand: "sonnet" price: "SAR 1062" currency: SAR in_stock: true category: "Sonnet" url: https://www.desertcart.com.sa/products/44351724-sonnet-thunderbolt-3-upgrade-card-for-echo-express-iii-d store_origin: SA region: Saudi Arabia --- # 40Gbps blazing transfer speed Dual Thunderbolt 3 ports Plug & play easy install Sonnet Thunderbolt 3 Upgrade Card for Echo Express III-D III-R Expansion System **Brand:** sonnet **Price:** SAR 1062 **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade your Echo Express to Thunderbolt 3 — because speed waits for no one! ## Quick Answers - **What is this?** Sonnet Thunderbolt 3 Upgrade Card for Echo Express III-D III-R Expansion System by sonnet - **How much does it cost?** SAR 1062 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.sa](https://www.desertcart.com.sa/products/44351724-sonnet-thunderbolt-3-upgrade-card-for-echo-express-iii-d) ## 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 - • **Blazing 40Gbps Speed:** Turbocharge your workflow with ultra-fast data transfers that leave Thunderbolt 2 in the dust. - • **Dual Thunderbolt 3 Ports:** Expand your connectivity with two high-performance ports compatible with Thunderbolt 3, 4, and USB4 devices. - • **Built to Last & Eco-Friendly:** Crafted with premium, RoHS-compliant components for reliable, sustainable professional use. - • **Effortless Upgrade, Zero Downtime:** Swap your old interface board in minutes and instantly unlock next-gen performance without missing a beat. - • **Seamless Cross-Platform Compatibility:** Works flawlessly with Macs and Windows PCs, so you’re always connected no matter your setup. ## Overview The Sonnet Thunderbolt 3 Upgrade Card transforms your Echo Express III-D/III-R chassis by replacing the Thunderbolt 2 interface with a powerful 40Gbps Thunderbolt 3 interface. It features dual Thunderbolt 3 ports compatible with Thunderbolt 3, 4, and USB4 devices, supports Macs and Windows PCs, and offers easy installation with durable, RoHS-compliant components designed for professional-grade performance and longevity. ## Description Part No. BRD-UPGRTB3-E3 Step Up to 40Gbps Thunderbolt 3 Sonnet designed the Echo™ Express III-D and III-R Thunderbolt™ 2 to PCIe card expansion system to be easily upgraded to 40Gbps Thunderbolt 3. Simply replace the existing Thunderbolt interface board with the upgrade board, and then your chassis will instantly support higher performance, and connect to your Thunderbolt computer without the need for an adapter. Upgrade Instead of Adapting Why adapt when upgrading offers more? With the Thunderbolt 3 upgrade card installed you get: Easy to Install 40Gbps Thunderbolt 3 Upgrade Card –Replaces Existing 20Gbps Thunderbolt 2 Interface Board Improves Performance with High-Bandwidth PCIe Cards –Provides 30% More Bandwidth (Up to 1750 MB/s) Two Thunderbolt 3 Ports Compatible with Thunderbolt 3, Thunderbolt 4, and Thunderbolt/USB4 computers ThunderLok 3-compatible 2-year Product Warranty Free Lifetime Customer Technical Support Designed in the USA Pre-sales Questions?Contact support@sonnettech.com for info. WARNING: California's Proposition 65 Product specifications and information subject to change without notice. Computer hardware and accessories featured in photos that are not included with product are shown for illustration purposes; items sold separately. ## Features - INCREASED TRANSFER SPEED - Upgrade your Echo Express III-D/III-R with Thunderbolt 3, achieving speeds up to 40Gbps for rapid data transfer and enhanced workflow efficiency. - BROAD COMPATIBILITY - Seamlessly integrates with various systems; compatible with Macs (Thunderbolt 3 or 2 via adapter) and PCs (Windows 10, 8, 7) for versatile use. - ENHANCED STORAGE CAPACITY - Supports high-bandwidth storage devices, maximizing your system's potential for large file transfers and demanding applications, boosting productivity. - DURABLE AND RELIABLE - Built with high-quality components and RoHS compliant, ensuring long-lasting performance and environmental responsibility for professional use. - EASY INSTALLATION - Simple to install into existing Echo Express III-D/III-R Thunderbolt 2 chassis, minimizing downtime and maximizing productivity with minimal effort. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B071H9VCGW | | Best Sellers Rank | #916 in Internal Computer Networking Cards | | Brand | Sonnet | | Compatible Devices | Desktop | | Customer Reviews | 5.0 5.0 out of 5 stars (4) | | Hardware Interface | Thunderbolt 3 | | Item Weight | 100 Grams | | Manufacturer | Sonnet Technologies | | Mfr Part Number | BRD-UPGRTB3-E3 | | Model Number | BRD-UPGRTB3-E3 | | Operating System | Mac OS, Windows 10 | | Style Name | Classic | | UPC | 732311012273 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Sonnet - **Compatible Devices:** Desktop - **Hardware Interface:** Thunderbolt 3 - **Item Weight:** 100 Grams - **Style:** Classic ## Images ![Sonnet Thunderbolt 3 Upgrade Card for Echo Express III-D III-R Expansion System - Image 1](https://m.media-amazon.com/images/I/71fWWZPeA4L.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.sa/products/44351724-sonnet-thunderbolt-3-upgrade-card-for-echo-express-iii-d](https://www.desertcart.com.sa/products/44351724-sonnet-thunderbolt-3-upgrade-card-for-echo-express-iii-d) --- *Product available on Desertcart Saudi Arabia* *Store origin: SA* *Last updated: 2026-07-05*