Memory Stick

Memory Stick

From top to bottom: Memory Stick PRO, Memory Stick PRO Duo, Memory Stick Micro (M2)
Media type	Flash memory card
Capacity	128 MB (Original) 32 GB (PRO series) 2 TB (XC series)
Developed by	Sony
Extended to	Memory Stick PRO, Memory Stick Duo, Memory Stick PRO Duo, Memory Stick PRO-HG Duo, and Memory Stick Micro

The Memory Stick is a removable flash memory card format, originally launched by Sony in late 1998.^[1] In addition to the original Memory Stick, this family includes the Memory Stick PRO, a revision that allows greater maximum storage capacity and faster file transfer speeds; Memory Stick Duo, a small-form-factor version of the Memory Stick (including the PRO Duo); the even smaller Memory Stick Micro (M2), and the Memory Stick PRO-HG, a high speed variant of the PRO to be used in high-definition video and still cameras.

As a proprietary format, Sony exclusively used Memory Stick on its products in the 2000s such as Cyber-shot digital cameras, Handycam digital camcorders, Sony Ericsson mobile phones, WEGA and Bravia TV sets, VAIO PCs, digital audio players, and the PlayStation Portable game console,^[2] with the format being licensed to a few other companies early in its lifetime. With the increasing popularity of Secure Digital around 2010, Sony started to include SD in their devices, marking a surrender by Sony of its format war in the memory-card business and the end to further serious development of the format.^[3] Despite this, Sony continues to support Memory Stick on certain newer devices through the use of adaptors.^[4]