![Markings: speed, size and class | Understanding microSD and SD cards: speeds, markings and more | Adafruit Learning System Markings: speed, size and class | Understanding microSD and SD cards: speeds, markings and more | Adafruit Learning System](https://cdn-learn.adafruit.com/assets/assets/000/104/728/medium800/components_sd_xc.jpeg?1631904532)
Markings: speed, size and class | Understanding microSD and SD cards: speeds, markings and more | Adafruit Learning System
![Amazon.com: ROVE Ultimate Micro SD Card microSDXC 256GB Memory Card with USB 3.2 Type C Card Reader 170MB/s C10, U3, V30, 4K, A2 for Dash Cam, Android Smart Phones, Tablets, Games : Amazon.com: ROVE Ultimate Micro SD Card microSDXC 256GB Memory Card with USB 3.2 Type C Card Reader 170MB/s C10, U3, V30, 4K, A2 for Dash Cam, Android Smart Phones, Tablets, Games :](https://m.media-amazon.com/images/I/8156fbz2gEL.jpg)
Amazon.com: ROVE Ultimate Micro SD Card microSDXC 256GB Memory Card with USB 3.2 Type C Card Reader 170MB/s C10, U3, V30, 4K, A2 for Dash Cam, Android Smart Phones, Tablets, Games :
![Sandisk Ultra Micro Sd 1tb 128gb 32gb 64gb 256gb 400gb Micro Sd Card Sd/tf Flash Card Memory Card 512gb 128 Gb Microsd For Phone - Memory Cards - AliExpress Sandisk Ultra Micro Sd 1tb 128gb 32gb 64gb 256gb 400gb Micro Sd Card Sd/tf Flash Card Memory Card 512gb 128 Gb Microsd For Phone - Memory Cards - AliExpress](https://ae01.alicdn.com/kf/S67d26558e09742eabf9923cfe2f7ef8bo/Sandisk-Ultra-Micro-SD-1TB-128GB-32GB-64GB-256GB-400GB-Micro-SD-Card-SD-TF-Flash.jpg_640x640.jpg)
Sandisk Ultra Micro Sd 1tb 128gb 32gb 64gb 256gb 400gb Micro Sd Card Sd/tf Flash Card Memory Card 512gb 128 Gb Microsd For Phone - Memory Cards - AliExpress
![SanDisk 128GB microSDXC UHS-I Memory Card Licensed for Nintendo Switch, Red - 100MB/s, Micro SD Card - SDSQXBO-128G-AWCZA - Walmart.com SanDisk 128GB microSDXC UHS-I Memory Card Licensed for Nintendo Switch, Red - 100MB/s, Micro SD Card - SDSQXBO-128G-AWCZA - Walmart.com](https://i5.walmartimages.com/asr/95157be1-f08d-4dcc-a2c6-6cc4c19bf8ad_2.8287c0fd0aaa47e1f980df62d7d91748.jpeg)
SanDisk 128GB microSDXC UHS-I Memory Card Licensed for Nintendo Switch, Red - 100MB/s, Micro SD Card - SDSQXBO-128G-AWCZA - Walmart.com
![400 GB is no longer the biggest microSD card available. As of some time in February 2018, there will be a (very likely expensive!) 512 GB microSD card on the market! : r/gpdwin 400 GB is no longer the biggest microSD card available. As of some time in February 2018, there will be a (very likely expensive!) 512 GB microSD card on the market! : r/gpdwin](https://external-preview.redd.it/VNYuOgnWxVpuTgXg7s5I0TUIMrmfOMMaf1BJ15Ppa6U.jpg?auto=webp&s=d9555a6edea696b10147569b8b606150a8084def)