The GLS93MQ001T4 microSD ArmourDrive 1 TByte comes from the QX Series, using QLC NAND, with max capacity of 1TB. When using it with Windows 10, users can expect up to 931GB of free space:

So how fast are the QX (QLC) Series? According to the ATTO Disk Benchmark, the microSD card reached up to 97MB/sec reading and 92MB/sec writing performance.

Slightly slower performance was noticed with the ATTO Disk Benchmark 4.01.

Passing to the AJA System Test software, we reported up to 92MB/sec reading and 87MB/sec writing performance, which is almost as what we got from the ATTO Disk Benchmark.

Getting into the CrystalDiskMark testing suite, we got similar performance with the AJA System Test: