KnowraSD cardLinked fromLinked fromThe 4 pages that link to SD card, each with the reason it gives.All 4Broader topic 1Related 1Compared with 2USB flash driveCompared with: It uses similar memory but depends on a card slot or separate reader.Non-volatile memoryBroader topic: It provides compact non-volatile storage for cameras, phones, and embedded systems.Wear levelingRelated: Its controller typically manages flash writes and wear within a compact device.ExpressCardCompared with: SD cards became a simpler built-in option for removable storage, unlike ExpressCard's general expansion role.