0c55:0540 — SPI540
Spectrum Digital, Inc.
- Vendor ID
- 0c55
- Product ID
- 0540
- Combined
- 0c55:0540
- Decimal
- 3157:1344
What is this device?
This is the USB identifier for a SPI540 manufactured by Spectrum Digital, Inc.. The vendor ID 0c55 is registered to Spectrum Digital, Inc. with the USB Implementers Forum, and 0540 is the product ID that Spectrum Digital, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 0c55:0540 Spectrum Digital, Inc. SPI540.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 0c55:0540 Spectrum Digital, Inc. SPI540
You can filter directly with lsusb -d 0c55:0540, or get the full descriptor dump with lsusb -v -d 0c55:0540. Kernel messages from dmesg show the same pair as idVendor=0c55, idProduct=0540.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_0C55&PID_0540 USB\VID_0C55&PID_0540&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_0C55&PID_0540"
macOS
$ system_profiler SPUSBDataType
SPI540:
Product ID: 0x0540
Vendor ID: 0x0c55 (Spectrum Digital, Inc.)Driver help
Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.
Raw usb.ids entry
The exact lines this page is generated from, in the upstream source file:
0c55 Spectrum Digital, Inc. 0540 SPI540