The between the card reader chip and the motherboard is USB 2.0 (480 Mbps). This is perfectly adequate for SD cards up to UHS-I (104 MB/s). For UHS-II cards, you would need a Realtek USB 3.0 or PCIe-based reader.
: Offers the latest servicing drivers (e.g., version 10.0.26200.31290 released in late 2025) for Windows 11 Client. Manufacturer Support :
Stops the "device disconnected" sound when inserting cards.