Amazon.com: ASUS ThunderboltEX 4 Card, PCI Express, 2 x Thunderbolt 4 (USB-C), 2 x Mini DisplayPort in, TBT Header, USB 2.0 Header : Electronics
USB-C 3.2 Gen 2 to M.2 PCI Express SSD Enclosure - UPTab
StarTech.com USB-C 10Gbps to M.2 NVMe or M.2 SATA SSD Enclosure, Tool-free M.2 PCIe/SATA NGFF SSD Enclosure, Portable Aluminum Case, USB Type-C & USB-A Host Cables, For 2230/2242/2260/2280 | www.shidirect.com
HP® Thunderbolt 3 PCIe 2-port I/O Card (3UU05AA) | HP® US Official Store
ASUS ThunderboltEX 4 with Intel Thunderbolt 4 JHL 8540 Controller, 2 USB Type-C ports, up to 40Gb/s Bi-directional Bandwidth and Incorporates DisplayPort 1.4 support, up to 100W Quick Charge Add-On Cards -
Node Duo - Thunderbolt 3 PCIe expansion chassis for 2 cards | AKiTiO
AKiTiO T3N2AA0002Y00U Node Duo 2-Slot PCIe... at MacSales.com