174c:51d6 — ASM1051W SATA 3Gb/s bridge
ASMedia Technology Inc.
- Vendor ID
- 174c
- Product ID
- 51d6
- Combined
- 174c:51d6
- Decimal
- 5964:20950
What is this device?
This is the USB identifier for a ASM1051W SATA 3Gb/s bridge manufactured by ASMedia Technology Inc.. The vendor ID 174c is registered to ASMedia Technology Inc. with the USB Implementers Forum, and 51d6 is the product ID that ASMedia Technology Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 174c:51d6 ASMedia Technology Inc. ASM1051W SATA 3Gb/s bridge.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 174c:51d6 ASMedia Technology Inc. ASM1051W SATA 3Gb/s bridge
You can filter directly with lsusb -d 174c:51d6, or get the full descriptor dump with lsusb -v -d 174c:51d6. Kernel messages from dmesg show the same pair as idVendor=174c, idProduct=51d6.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_174C&PID_51D6 USB\VID_174C&PID_51D6&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_174C&PID_51D6"
macOS
$ system_profiler SPUSBDataType
ASM1051W SATA 3Gb/s bridge:
Product ID: 0x51d6
Vendor ID: 0x174c (ASMedia Technology 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:
174c ASMedia Technology Inc. 51d6 ASM1051W SATA 3Gb/s bridge