1f75:0621 — IS621 SATA Storage Controller
Innostor Technology Corporation
- Vendor ID
- 1f75
- Product ID
- 0621
- Combined
- 1f75:0621
- Decimal
- 8053:1569
What is this device?
This is the USB identifier for a IS621 SATA Storage Controller manufactured by Innostor Technology Corporation. The vendor ID 1f75 is registered to Innostor Technology Corporation with the USB Implementers Forum, and 0621 is the product ID that Innostor Technology Corporation assigned to this particular model. When you run lsusb on Linux, this device appears as 1f75:0621 Innostor Technology Corporation IS621 SATA Storage Controller.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 1f75:0621 Innostor Technology Corporation IS621 SATA Storage Controller
You can filter directly with lsusb -d 1f75:0621, or get the full descriptor dump with lsusb -v -d 1f75:0621. Kernel messages from dmesg show the same pair as idVendor=1f75, idProduct=0621.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_1F75&PID_0621 USB\VID_1F75&PID_0621&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1F75&PID_0621"
macOS
$ system_profiler SPUSBDataType
IS621 SATA Storage Controller:
Product ID: 0x0621
Vendor ID: 0x1f75 (Innostor Technology Corporation)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:
1f75 Innostor Technology Corporation 0621 IS621 SATA Storage Controller