microSD/SD/CF UHS-II Card Reader [RDF8, RDF9]
USB ID 8564:4000 · Transcend Information, Inc.
| Vendor | Transcend Information, Inc. |
|---|---|
| Vendor ID | 8564 |
| Device ID | 4000 |
| Windows hardware ID | USB\VID_8564&PID_4000 |
| Linux modalias | usb:v8564p4000 |
| Linux driver | no driver with exact ID |
Frequently asked questions
Which device has USB ID 8564:4000?
USB ID 8564:4000 is “microSD/SD/CF UHS-II Card Reader [RDF8, RDF9]” made by Transcend Information, Inc. (vendor ID 8564, device ID 4000).
Which Linux driver supports microSD/SD/CF UHS-II Card Reader [RDF8, RDF9]?
Linux kernel 6.12 lists no driver for this exact ID. Most USB devices (keyboards, mice, storage, webcams, audio) still work through generic class drivers such as usbhid, usb-storage, uvcvideo or snd-usb-audio. Overview of device classes and their drivers
How do I check whether microSD/SD/CF UHS-II Card Reader [RDF8, RDF9] is in my computer?
On Linux, lsusb -d 8564:4000 shows the device if it is present. On Windows, open Device Manager, then Properties → Details → Hardware Ids; it appears as USB\VID_8564&PID_4000.
How do I see which driver is currently in use?
lsusb -t prints the device tree with the bound driver (Driver=…) for each interface.