Sonnet Technologies
Sonnet Technologies BRD-UPGRTB3-E3 Thunderbolt 3 Upgrade Card
Upgrade card adds two Thunderbolt 3 ports and up to 40 Gbps bandwidth to compatible Echo Express chassis
- Upgrade to 40Gbps Thunderbolt 3 connectivity
- Gain 30% to 100% more bandwidth for PCIe cards
- Replace the existing 20Gbps Thunderbolt interface board
- Install high-bandwidth cards like 16Gb Fibre Channel
- Connect via two Thunderbolt 3 (USB-C) ports
Thunderbolt 3 Upgrade Card
The Sonnet Technologies BRD-UPGRTB3-E3 upgrades compatible Echo Express III-D or III-R chassis from Thunderbolt 2 to Thunderbolt 3. It replaces the existing interface board to enable connection with Thunderbolt 3-equipped computers.
Bandwidth limits of Thunderbolt 2
The original Thunderbolt 2 interface provides 20Gbps bandwidth which constrains high-speed PCIe cards. Upgrading to the 40Gbps Thunderbolt 3 board delivers 30% to 100% more bandwidth for installed cards.
Compatibility with Echo Express systems
This upgrade card is designed exclusively for Sonnet Echo Express III-D or III-R Thunderbolt 2-to-PCIe expansion systems. It will not function in other chassis or as a standalone add-in card.
Highlights
- Upgrade to 40Gbps Thunderbolt 3 connectivity
- Gain 30% to 100% more bandwidth for PCIe cards
- Replace the existing 20Gbps Thunderbolt interface board
- Install high-bandwidth cards like 16Gb Fibre Channel
- Connect via two Thunderbolt 3 (USB-C) ports
Specifications
No published specifications for this item yet.
Questions about this item
Should I choose this upgrade card for my Echo Express III-D or III-R system?
This card replaces the existing 20Gbps Thunderbolt interface board in Echo Express III-D or III-R chassis, adding two Thunderbolt 3 ports and enabling 40Gbps connectivity to Thunderbolt 3 computers.
What does the 40Gbps figure mean for my installed PCIe cards?
The 40Gbps Thunderbolt 3 link delivers 30% to 100% more bandwidth to high-demand PCIe cards such as 16Gb Fibre Channel or 4K video I/O cards, letting them run closer to their full potential.
How does the Thunderbolt 3 interface cap real-world throughput?
The upgrade provides a 40Gbps Thunderbolt 3 connection with two USB-C ports, replacing the original 20Gbps Thunderbolt 2 link and removing the need for an adapter on Thunderbolt 3 hosts.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.
Tour Edge Golf Mfg. Inc. pdprsu0138 golf accessory
- Toys and Games



