Bought two identical cards for household devices. One has been working in a video intercom for several years, so we bought another one to expand the memory of the tablet. No speed measurements were made. Both devices with cards work flawlessly.
SmartBuy Classic Series microSDHC 32 GB Class 10, R/W 25/30 MB/s, SD adapter
41 Review
32GB High-Speed Micro SDHC Card - Class 10 UHS-I Compatible Memory Card for SD Devices
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Memory card Samsung microSDXC 256 GB Class 10, V30, A2, UHS-I U3, R 130 MB/s, adapter to SD
50 Review
Smartphone ZTE Blade V10 Vita 2/32 GB, Dual nano SIM, graphite black
50 Review