Samsung MB-ME32GA/AM 32GB MicroSDHC EVO Select Memory Card with Adapter Price: $11.99$94.99 (as of 15/10/2019 12:22 PST- Details)

SuperSpeed USB 3.0 for maximum performance. Backward compatible with USB 2.0 hosts.
Powers via USB port, no additional power supply needed.
Up to 95MB/s & 20MB/s read & write speeds respectively; Class 10 UHS 1