Universal Flash Storage

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Universal Flash Storage (UFS) is a common flash storage specification for digital cameras, mobile phones and consumer electronic devices.[1][2] This could bring higher data transfer speed and increased reliability in flash memory storage, thus reducing market confusion and the varying number of adapters for different number of cards.[3]

The proposed specification is supported by leading firms in the consumer electronics industry such as Nokia, Sony Ericsson, Texas Instruments, STMicroelectronics, Samsung and Micron.[4] The electrical interface for UFS uses the M-PHY.,[5] developed by the MIPI Alliance.[6] organization. This offers the possibility of higher speed, ease of integration into embedded applications, and lower power consumption compared to SD cards. Universal Flash Storage uses a SATA 300 MB/s internal connection, about three times faster than e•MMC.[7] Unlike e•MMC, Universal Flash Storage uses the SCSI architectural model.[8]

The standard is developed by, and available from, the JEDEC Solid State Technology Association. JESD220A Universal Storage v1.1 was released in June 2012 (being an update to v1.0 from 2011).[9]

The Linux kernel supports UFS.[10]

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Specifications