Sonnet Thunderbolt 3 PCIe Upgrade Card for Echo Express III-D/III-R | BRD-UPGRTB3-E3 QuickFix The TOP BORDER only is

The TOP BORDER only is acoustic so central speakers can still work properly if ceiling mounted

SPNL-6000 Series and SBID8000-G5 Series

Sleek design integrates into your interior

The camera's software is also upgradeable

Sonnet Thunderbolt 3 PCIe Upgrade Card for Echo Express III-D/III-R | BRD-UPGRTB3-E3 QuickFix The TOP BORDER only isDescription Specifications Expand Connectivity with Dual Thunderbolt 3 Ports Upgrade Instead of Adapting Why adapt when upgrading offers more? With the Thunderbolt 3 upgrade card installed you get: Thunderbolt 3 Bandwidth The Thunderbolt 3 upgrade card provides increased 40Gbps bandwidthwith an adapter you are limited to Thunderbolt 2s 20Gbps bandwidth. Thunderbolt 3 Daisy Chaining The upgrade card supports additional Thunderbolt 3 peripheral devices