What is eMMC storage capacity? Integrated flash storage technology is found in the motherboard of a device. Most of the time, you see eMMC in budget laptops, tablets, smartphones, and Chromebooks. It aims to provide storage for the operating system, applications, and user files without compromising on low power consumption and smaller size. You'll usually find eMMC storage in sizes like 32GB, 64GB, 128GB, and 256GB, although some new models may have up to 512GB. eMMC can handle average activities like visiting websites, streaming videos, working with documents, and a bit of multitasking. Yet, the speed of eMMC is generally lower than that of SSD.