If this cannot be found by Device manager, are there any drivers I can use?

The product supports auto drivers for Windows 8 and up, but specific driver availability is not mentioned.

Questions & Answers: USB 3.2 Gen 2x2 20Gbps Type-C PCIe Adapter Card, USB C SuperSpeed PCI Express 3.0 x4 Host Controller Card, USB Type-C PCI-e Add-On PCIe Expansion Card, Support Windows & Linux

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USB 3.2 Gen 2x2 20Gbps Type-C PCIe Adapter Card, USB C SuperSpeed PCI Express 3.0 x4 Host Controller Card, USB Type-C PCI-e Add-On PCIe Expansion Card, Support Windows & Linux

Add 1x USB-C SuperSpeed 20Gbps port to your desktop PC with this USB 3.2 Gen 2x2 PCIe Adapter Card; Expansion card provides up to 15W (5V @ 3A) to power & charge devices
Featuring the ASMedia ASM3242 host controller using x4 lanes of PCIe 3.0, this card is fully capable of speeds up to 20Gbps enabling fast access to high-performance devices like NVMe drives and SSDs
USB Type-C PCI Express card supports Multiple INs to reduce bandwidth loss when mix speed devices are connected to a Hub (hub must also support this feature); UASP support improves performance with storage devices
PCIe 3.0 x4 slot (Backward compatible w/PCIe 2.0); Windows/Linux/macOS w/auto drivers Win 8 & up; Works w/USB 3.1/3.0/2.0 devices; Does not support DP-Alt mode for video over USB-C

$38^.50 –