This unique number is assigned by the USB Implementers Forum (USB-IF) to Chipsbank Microelectronics Co., Ltd. , a well-known semiconductor company specializing in flash memory controllers.

The device you're referring to is a USB device with a Vendor ID (VID) of 1e3d and a Product ID (PID) of 198a. I'll do my best to provide a deep review covering this device.

I couldn't find any publicly available technical specifications for the device with VID 1e3d and PID 198a. However, here are some general technical specifications that might be relevant:

Drives using the Chipsbank 1E3D:198A configuration use the legacy . According to historical benchmarking data aggregated via NirSoft's USBDeview speed tests , sequential performance varies wildly depending on the quality of the flash memory paired with the controller: Low-Tier Configurations High-Tier Configurations Read Speed ~10.33 MB/Sec ~48.00 MB/Sec Write Speed ~3.08 MB/Sec ~17.20 MB/Sec Common Capacities 4 GB to 16 GB 64 GB to 256 GB