In your Amazon link, the top result is a "MyDigitalSSD 128GB (120GB) SSD" for $60. They list the speeds as:
- Write speed up to 545 MB/sec
- Read speed up to 430 MB/sec

Now, here's a "Transcend 128GB UHS 3 SD card" for about $70. They lists speeds as:
- Write speed up to 95MB/s
- Read speed up to 60MB/s