Finally a good, cheap USB3 PCIe card with 4 independent controllers for passthrough. : r/homelab
Amazon.com: SIIG Dual Profile USB 3.0 4-Port (5Gbps) PCIe 2.0 Host Expansion Card Adapter for Windows Desktop PC (JU-P40A11-S1) : Electronics
Linkreal 4 Port USB 3.0 Type-A PCI Express Expansion Card PCIe to USB 3.0 Host Controller Card Super-speed 5Gbps with 15 Pin Power Connector - Newegg.com
2 port internal USB 3.0 Mini PCIe Card - Di-ARTs Technology
ESXi USB PCIe Passthrough Failing to Connect Connected Devices - Server Fault
A friendly reminder... This card JUST WORKS for VFIO. (and it's cheaper spinoffs using the exact same chip) : r/VFIO
Amazon.com: SEDNA - PCI Express 2 Port USB 3.0 Adapter - with Low Profile Bracket - (NEC/Renesas uPD720202 chipset) - Optional Power Connection : Electronics
4 Port PCIe USB 3.0 Card w/ 4 Channels - USB 3.0 Cards | StarTech.com
USB 3.0 PCIe Card | 4-port Quad Channel USB 3.0 PCI Express 2.0 frame Grabber | PCIe x1 | U3X4-PCIE1XE101
IOIUSB | U3-PCIE1XG205 | 2-port USB 3.0 to PCI Express x1 Gen 2 Host Card | Renesas uPD720202
UPD720202 - USB 3.0 Host Controller | Renesas
Renesas µPD720202 USB 3.0 Host Controller | Raspberry Pi PCIe Devices
U3X8-PCIE8XE104 Octad Channel USB 3.0 PCI Express Gen 2 Card
Amazon.com: Syba 2 External USB 3.0 Port and 19 Pin Internal Header PCIe 2.0 x1 – 4 Port USB 3.0 PCI-Express x1 Renesas D720201 Chipset Molex Power Input : Electronics