The identifiers refer to a specific hardware signature for a Toshiba USB Flash Drive
"Device identified as . Controller: Solid State Systems (SSS). Error reported: I/O Device Error." I/O Device Error: USB VID 0930 PID 6544 | PDF - Scribd vid 0930 pid 6544
These identifiers are frequently cited on performance benchmarking sites like NirSoft's USB Speed Test The identifiers refer to a specific hardware signature