Amazon.com: ASUS ThunderboltEX 3-TR Expansion Card for Z490 (Intel 10th Gen CPUs)motherboard (PCIe 3.0 x4 interface, 2 x Thunderbolt™ 3 USB Type-C® ports with 100w USB quick charge, 2 x mini DisplayPort
NIC & Chassis - TB3 to 2-port 10GbE - USB and Thunderbolt Network Adapters | StarTech.com
Refurbished: Dell 47MCV Perc H200 SAS Controller Controllers / RAID Cards - Newegg.com