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Standard eMMC 4.5 eMMC 5.0 eMMC 5.1 UFS 2.0 UFS 2.1 UFS 3.0 UFS 3.1 UFS 4.0
Introduced 2011-06[1] 2013-09-01[2] 2015-02-01[3] 2013-09-18[4] 2016-04-04[5] 2018-01-30[6] 2020-01-30[7] 2022-05-04[8]
Interface speed (MB/s) 200 400 1200 2900 ?
Sequential read (MB/s)[9] 140 250 250 850 1000 2100 2100 4200
Sequential write (MB/s) 50 90 125 260 260 410 1200 2800
Random read (IOPS) 7,000 7,000 11,000 45,000 58,000 63,000 100,000 ?
Random write (IOPS) 2,000 13,000 13,000 40,000 50,000 68,000 70,000 ?


References