I have run a test and it looks like it can “push” only 6 not the expected 10:
airspy_rx -r NUL -t 0 Device Serial Number: 0x061C67DC2B077BA3 Stop with Ctrl-C Streaming at 5.999 MSPS Streaming at 6.032 MSPS Streaming at 6.017 MSPS Streaming at 6.008 MSPS Streaming at 6.003 MSPS Streaming at 5.999 MSPS Streaming at 5.997 MSPS Streaming at 5.995 MSPS Streaming at 5.994 MSPS Streaming at 5.993 MSPS Streaming at 5.993 MSPS Streaming at 5.993 MSPS Streaming at 5.992 MSPS Streaming at 6.020 MSPS Streaming at 6.015 MSPS Streaming at 6.007 MSPS Streaming at 6.001 MSPS Streaming at 5.998 MSPS Streaming at 5.995 MSPS Streaming at 5.994 MSPS Streaming at 5.994 MSPS Caught signal 0
User cancel, exiting… Total time: 22.3123 s Average speed 6.0014 MSPS IQ done
OK. Time to see the info of the firmware:
airspy_info airspy_lib_version: 1.0.9
Found AirSpy board 1 Board ID Number: 0 (AIRSPY) Firmware Version: AirSpy MINI v1.0.0-rc10-3-g7120e77 2018-04-28 Part ID Number: 0x6906002B 0x00000030 Serial Number: 0x061C67DC2B077BA3 Supported sample rates: 6.000000 MSPS 3.000000 MSPS Close board 1