[ GLOSSARY DEFINITION ] Storage

SSD

A storage drive with no moving parts; much faster and more durable than a hard drive.

Also known as: Solid State Drive Solid-State Drive SSD (M2)

Full Definition & Technical Explanation

SSD (solid-state drive) stores data in flash chips — no moving parts, so it is fast, quiet, and shock-resistant. Laptops list Storage type: SSD (M2); fast ones are NVMe over PCIe.

Phones use the similar UFS/NVMe flash. Budget devices may use eMMC, which is much slower.

Related Technical Terms

NVMe

Fast flash storage protocol over PCIe; much quicker than eMMC/UFS in phones and laptops. Storage

Storage Size

How much built-in storage a device has (GB/TB); determines how many apps, photos, and games fit. Storage

UFS

Universal Flash Storage, the dominant phone storage standard; UFS 4.0 doubles UFS 3.1 speed. Storage

eMMC

Budget embedded flash storage; slower than UFS/NVMe, found in entry-level devices. Storage

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