What is the difference between Class 10 and Class 4 memory cards, and also between SDHC and SD? - Quora
![SanDisk Ultra 64 GB microSDXC Memory Card + SD Adapter with A1 App Performance Up to 100 MB/s, Class 10, U1 : Amazon.es: Informática SanDisk Ultra 64 GB microSDXC Memory Card + SD Adapter with A1 App Performance Up to 100 MB/s, Class 10, U1 : Amazon.es: Informática](https://m.media-amazon.com/images/I/7180ZAZmERL._AC_UF894,1000_QL80_.jpg)
SanDisk Ultra 64 GB microSDXC Memory Card + SD Adapter with A1 App Performance Up to 100 MB/s, Class 10, U1 : Amazon.es: Informática
![SanDisk SDHC Micro 128Gb Sandisk Extreme 190Mb/s Class 10 Memory Card SDHC Micro 128Gb + Adapter | AP Photo Industries SanDisk SDHC Micro 128Gb Sandisk Extreme 190Mb/s Class 10 Memory Card SDHC Micro 128Gb + Adapter | AP Photo Industries](https://www.apphoto.es/wp-content/uploads/2022/09/SDK404409.jpg)
SanDisk SDHC Micro 128Gb Sandisk Extreme 190Mb/s Class 10 Memory Card SDHC Micro 128Gb + Adapter | AP Photo Industries
![Sandisk 32GB Ultra MicroSDHC + Adaptador SD 100MB/S CLASS 10 UHS-I - Tarjeta Memoria. Multi Plataforma: GAME.es Sandisk 32GB Ultra MicroSDHC + Adaptador SD 100MB/S CLASS 10 UHS-I - Tarjeta Memoria. Multi Plataforma: GAME.es](https://media.game.es/COVERV2/3D_L/V0P/V0P7YG.png)
Sandisk 32GB Ultra MicroSDHC + Adaptador SD 100MB/S CLASS 10 UHS-I - Tarjeta Memoria. Multi Plataforma: GAME.es
![HIKVISION 100% Original Micro SD tarjeta Class10 8/16/32/64/128/256 GB Max 92 M/s microSD-HC/XC UHS-I TF tarjeta C10 tarjeta de memoria # C1 HIKVISION 100% Original Micro SD tarjeta Class10 8/16/32/64/128/256 GB Max 92 M/s microSD-HC/XC UHS-I TF tarjeta C10 tarjeta de memoria # C1](https://ae01.alicdn.com/kf/Sc00cb3b7e19443e48d7fb2afb2266565J/HIKVISION-100-Original-Micro-SD-tarjeta-Class10-8-16-32-64-128-256-GB-Max-92.jpg)
HIKVISION 100% Original Micro SD tarjeta Class10 8/16/32/64/128/256 GB Max 92 M/s microSD-HC/XC UHS-I TF tarjeta C10 tarjeta de memoria # C1
![Class 10 High Speed 128GB 64GB 32GB 16GB SD U3 TF Memory Card Flash Micro Tf SD Card Storage Expansion SD Adapter For Smart Phone DVR | Fruugo ES Class 10 High Speed 128GB 64GB 32GB 16GB SD U3 TF Memory Card Flash Micro Tf SD Card Storage Expansion SD Adapter For Smart Phone DVR | Fruugo ES](https://img.fruugo.com/product/9/02/825642029_max.jpg)