This is a new 3.5-inch bay USB 3.0 internal multi-card reader from Scythe, the SCKMRD3. Featuring a USB 3.0 connection interface (internal header pins), the SCKMRD3 comes with a front-placed USB 3.0 ...
You could do USB header -> Hub -> Extensions and then expose each extension externally I suppose, but it would not be pretty. While it won't use your motherboard's USB-C header, there are PCIe header ...