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Universal Flash Storage

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On 7 July 2016, Samsung announced its first UFS cards, in 32, 64, 128, and 256 GB storage capacities. The cards were based on the UFS 1.0 Card Extension Standard. The 256 GB version was reported to offer sequential read performance up to 530 MB/s and sequential write performance up to
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A UFS drive's rewrite life cycle affects its lifespan. There is a limit to how many write/erase cycles a flash block can accept before it produces errors or fails altogether. Each write/erase cycle causes a flash memory cell's oxide layer to deteriorate. The reliability of a drive is based on three
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In September 2013, JEDEC published JESD220B UFS 2.0 (update to UFS v1.1 standard published in June 2012). JESD220B Universal Flash Storage v2.0 offers increased link bandwidth for performance improvement, a security features extension and additional power saving features over the UFS v1.1.
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On 30 March 2016, JEDEC published version 1.0 of the UFS Card Extension Standard (JESD220-2), which offered many of the features and much of the same functionality as the existing UFS 2.0 embedded device standard, but with additions and modifications for removable cards.
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The first UFS cards began to be publicly sold in early 2020. According to a Universal Flash Storage Association press release, Samsung planned to transition its products to UFS cards during 2020. Several consumer devices with UFS card slots have been released in 2020.
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Also in March 2016, JEDEC published version 1.1 of the UFS Unified Memory Extension (JESD220-1A), version 2.1 of the UFS Host Controller Interface (UFSHCI) standard (JESD223C), and version 1.1A of the UFSHCI Unified Memory Extension standard (JESD223-1A).
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On 14 May 2019, OnePlus introduced the OnePlus 7 and OnePlus 7 Pro, the first phones to feature built-in eUFS 3.0 (The Galaxy Fold, originally planned to be the first smartphone to feature UFS 3.0 was ultimately delayed after the OnePlus 7's launch).
1244:"UFS Cards will play a critical role" said Hangu Sohn, vice president of NAND Memory Planning at Samsung Electronics. "Moreover, with a royalty-free form factor and open standard design, we expect to see a rapid transition to these cards in 2020." 53:
speed and increased reliability to flash memory storage, while reducing market confusion and removing the need for different adapters for different types of cards. The standard encompasses both packages permanently embedded (via
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On January 30, 2018, the UFS Card Extension standard was updated to version 1.1 (JESD220-2A), and the UFSHCI standard was updated to version 3.0 (JESD223D), to align with UFS version 3.0.
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On 30 January 2018 JEDEC published version 3.0 of the UFS standard, with a higher 11.6 Gbit/s data rate per lane (1450 MB/s) with the use of MIPI M-PHY v4.1 and UniProSM v1.8. At the
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interface that scales better to higher bandwidths than the 8-lane parallel and half-duplex interface of eMMCs. Unlike eMMC, Universal Flash Storage is based on the
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In 2022 Samsung announced version 4.0 doubling from 11.6 Gbit/s to 23.2 Gbit/s with the use of MIPI M-PHY v5.0 and UniPro v2.0. UFS 4.0 introduces
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UFS 2.1 has been implemented in Snapdragon 712 (710&720G), 730G, 732G, 835, 845 and 855. Kirin 960, 970 and 980. Exynos 9609, 9610, 9611, 9810 and 980.
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170 MB/s and random performance of 40,000 read IOPS and 35,000 write IOPS. However, they were apparently not actually released to the public.
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factors: the age of the drive, total terabytes written over time and drive writes per day. This is typical of flash memory in general.
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UFS 3.1 has been implemented in Snapdragon 855+/860, Snapdragon 865, Snapdragon 870, Snapdragon 888, Exynos 2100, and Exynos 2200.
1907: 773: 1947: 289:. After that other android OEMs started using this storage solution on their flagship to upper mid-range category smartphones. 1704: 1679: 1556: 1506: 1303: 2119: 1581: 915: 839: 79: 814:"Universal Flash Storage (UFS) Eco-System | TOSHIBA Semiconductor & Storage Products Company | Europe(EMEA)" 1200: 1901: 1844: 695: 256:
In April 2015, Samsung's Galaxy S6 family was the first phone to ship with eUFS storage using the UFS 2.0 standard.
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for faster, more power efficient and cheaper UFS solutions. The Host Performance Booster feature is optional.
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UFS 4.0 has been implemented in MediaTek Dimensity 9200, MediaTek Dimensity 8300 and Snapdragon 8 Gen 2.
1862: 1790: 1407:"JEDEC Publishes Universal Flash Storage (UFS & UFSHCI) Version 3.0 and UFS Card Extension Version 1.1" 1076:"SK Hynix released a new UFS 4.1 and ZUFS 4.0 memory. It is optimized for AI and will be in the Galaxy S25" 1975: 1940: 1256: 286: 717: 142: 83: 23:, a file system implementation in some Unix and BSD operating systems with the same abbreviation. 574:
UFS 3.0 has been implemented in Snapdragon 855, 855+, 860, 865, Exynos 9820–9825, and Kirin 990.
146: 1933: 1913: 1378: 817: 193: 1228:"UFSA Widens UFS Ecosystem, Adding Vendors of Removable Mobile Cards and Related Technology" 1826: 8: 268: 46: 1654: 1175:"Qualcomm Snapdragon 865 to sport LPDDR5X RAM, UFS 3.0, will come in 2 variants: Report" 864: 2054: 1970: 941:"Evolving Mobile Solutions: Samsung at MWC 2018 | Samsung Semiconductor Global Website" 285:
On 08 December 2022, IQOO announced the IQOO 11 which was the first phone to come with
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On 30 January 2020 JEDEC published version 3.1 of the UFS standard. UFS 3.1 introduces
201: 106: 1432:"JEDEC Updates Universal Flash Storage (UFS) and Supporting Memory Interface Standard" 958: 250: 75: 2016: 1633:"Huawei Announces Kirin 990 and Kirin 990 5G: Dual SoC Approach, Integrated 5G Modem" 620: 182: 114: 102: 669:"JEDEC Announces Publication of Universal Flash Storage (UFS) Standard | JEDEC" 271: 20: 2093: 1920: 55: 2070: 2044: 2021: 1748:"JEDEC Publishes Universal Flash Storage (UFS) Removable Card Standard | JEDEC" 1457:"JEDEC Publishes Universal Flash Storage (UFS) Removable Card Standard | JEDEC" 1279:"JEDEC Announces Publication of Universal Flash Storage (UFS) Standard | JEDEC" 181:
In 2010, the Universal Flash Storage Association (UFSA) was founded as an open
126: 38: 2113: 134: 98: 50: 34: 1154:"Samsung Rolls Out Its First UFS Cards: SSD Performance in Card Form-Factor" 2027: 2000: 1354:"JEDEC Updates Universal Flash Storage (UFS) and Related Standards | JEDEC" 162: 90: 42: 1482:"JEDEC Advances Universal Flash Storage (UFS) Removable Card Standard 3.0" 998:"JEDEC Publishes Update to Universal Flash Storage (UFS) Standard | JEDEC" 718:"Toshiba Begins to Sample UFS 3.0 Drives: 96L 3D TLC NAND, Up to 2.9 GB/s" 2011: 1956: 625: 615: 63: 1827:"UNIVERSAL FLASH STORAGE (UFS) CARD EXTENSION, Version 3.0 | JEDEC" 2076: 2038: 170: 1024:"Faster, Cheaper, Power Efficient UFS Storage: UFS 3.1 Spec Published" 2006: 1329:"JEDEC Publishes Universal Flash Storage (UFS) Standard v2.0 | JEDEC" 561: 93:
specification is supported by consumer electronics companies such as
1101:"Toshiba ships first NAND flash chips with faster transfer standard" 2098: 1225: 889: 264: 234: 118: 1607:"Exynos 9 Series 9820 Processor: Specs, Features | Samsung Exynos" 1582:"Exynos 980 5G Mobile Processor: Specs, Features | Samsung Exynos" 2064: 2058: 2049: 197: 166: 110: 1557:"Exynos 9611 Mobile Processor: Specs, Features | Samsung Exynos" 1507:"Exynos 9609 Mobile Processor: Specs, Features | Samsung Exynos" 2033: 1925: 770:"JEDEC Solid State Technology Association | MIPI Alliance" 565: 494: 326: 246: 1910:
by Scott Jacobson and Harish Verma at Flash Memory Summit 2013
1304:"JEDEC Updates Universal Flash Storage (UFS) Standard | JEDEC" 1896: 488: 320: 130: 94: 245:
In February 2013, semiconductor company Toshiba Memory (now
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chip, the first chip to support the then new UFS standard.
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UFS 2.0 has been implemented in Snapdragon 820 and 821.
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Universal Flash Storage Association (3 January 2020).
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unveiled embedded UFS (eUFS) v3.0 and uMCP (UFS-based
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As of Q2 2024, Zoned UFS (ZUFS) is in development by
86:(integrated circuits) with an integrated controller. 1680:"Exynos 2100 5G Mobile Processor: Specs, Features" 1705:"Exynos 2200 | Processor | Samsung Semiconductor" 1050:"FBO Delivers Sustained Mobile Phone Performance" 916:"Features Supported by StorUFS - Windows drivers" 2111: 1809:"Standards & Documents Search | JEDEC" 1791:"Standards & Documents Search | JEDEC" 1773:"Standards & Documents Search | JEDEC" 1655:"Qualcomm Snapdragon 888: specs and benchmarks" 584: 1941: 959:"eUFS | Samsung Semiconductor Global Website" 840:"Universal Flash Storage: Mobilize Your Data" 1863:"SSD Lifespan: How Long Will Your SSD Work?" 1845:"UFS (Universal Flash Storage) | JEDEC" 992: 990: 913: 129:. The electrical interface for UFS uses the 647:"Nokia, Others Back Mobile Memory Standard" 249:) started shipping samples of a 64 GB 1948: 1934: 1127:"The Samsung Galaxy S6 and S6 edge Review" 987: 745:"Flash memory makers propose common card" 685: 121:. UFS is positioned as a replacement for 49:devices. It was designed to bring higher 1073: 1047: 151:JEDEC Solid State Technology Association 1630: 2125:Computer-related introductions in 2016 2112: 1723:"Snapdragon-8-Gen-2-Product-Brief.pdf" 1643:from the original on 6 September 2019. 742: 686:Malykhina, Elena (14 September 2007). 1929: 1401: 1399: 600: 292: 1074:Чорновий, Михайло (14 August 2024). 743:Modine, Austin (14 September 2007). 1897:Universal Flash Storage Association 1048:Herreria, Anne (7 September 2022). 568:7420. NVIDIA Jetson AGX Xavier SOMs 217:Performance Throttling Notification 156: 13: 1396: 1379:"UNIVERSAL FLASH STORAGE, UFS 2.2" 1151: 1021: 890:"ufshci(4) - OpenBSD manual pages" 240: 14: 2136: 1885: 1631:Cutress, Ian (6 September 2019). 914:lorihollasch (15 November 2023). 554: 1984: 1955: 1855: 1837: 1819: 1801: 1783: 1765: 1740: 1715: 1697: 1672: 1647: 1624: 1599: 1574: 1549: 1524: 1499: 1474: 1449: 1424: 1371: 1346: 1321: 1296: 1271: 1249: 1219: 1193: 1167: 1145: 1119: 1093: 1067: 1041: 1015: 969: 951: 933: 907: 882: 857: 2030:(MS, MS-PRO, MS-PRO HG, MS-XC) 1054:Western Digital Corporate Blog 832: 806: 788: 762: 736: 710: 679: 661: 639: 1: 632: 185:to promote the UFS standard. 2120:Solid-state computer storage 19:Not to be confused with the 7: 1914:What is UFS 2.1 smartphone? 609: 585:Complementary UFS standards 465: 169:7.3 and later support UFS. 147:SCSI Tagged Command Queuing 69: 16:Flash storage specification 10: 2141: 2067:(PCMCIA, CardBus, CardBay) 1976:Comparison of memory cards 274:with support for UFS 2.1. 176: 58:package) within a device ( 18: 1993: 1982: 1963: 869:The Linux Kernel Archives 865:"Universal Flash Storage" 519: 516: 513: 510: 507: 430: 427: 424: 421: 388: 385: 382: 379: 376: 345: 342: 339: 1867:Enterprise Storage Forum 221:Host Performance Booster 143:SCSI architectural model 2088:Universal Flash Storage 228:File Based Optimization 173:and later support UFS. 27:Universal Flash Storage 297: 1611:Samsung Semiconductor 1586:Samsung Semiconductor 1561:Samsung Semiconductor 1536:Samsung Semiconductor 1511:Samsung Semiconductor 485:Max. total bandwidth 482:Max. number of lanes 317:Max. total bandwidth 314:Max. number of lanes 263:On 17 November 2016, 62:), and removable UFS 1919:27 July 2024 at the 776:on 28 September 2011 698:on 12 September 2012 1904:of UFS and UFS Card 920:learn.microsoft.com 820:on 22 December 2015 657:on 9 February 2008. 479:Bandwidth per lane 311:Bandwidth per lane 133:, developed by the 47:consumer electronic 2073:(SDSC, SDHC, SDXC) 1971:Memory card reader 601:Rewrite cycle life 293:Version comparison 202:multi-chip package 107:STMicroelectronics 82:3D TLC NAND flash 37:specification for 2107: 2106: 1902:Current standards 1107:. 8 February 2013 1028:www.anandtech.com 724:. 23 January 2019 621:Solid-state drive 552: 551: 463: 462: 183:trade association 103:Texas Instruments 2132: 1988: 1950: 1943: 1936: 1927: 1926: 1879: 1878: 1876: 1874: 1859: 1853: 1852: 1841: 1835: 1834: 1823: 1817: 1816: 1805: 1799: 1798: 1787: 1781: 1780: 1769: 1763: 1762: 1760: 1758: 1744: 1738: 1737: 1735: 1733: 1727: 1719: 1713: 1712: 1701: 1695: 1694: 1692: 1690: 1676: 1670: 1669: 1667: 1665: 1651: 1645: 1644: 1628: 1622: 1621: 1619: 1617: 1603: 1597: 1596: 1594: 1592: 1578: 1572: 1571: 1569: 1567: 1553: 1547: 1546: 1544: 1542: 1528: 1522: 1521: 1519: 1517: 1503: 1497: 1496: 1494: 1492: 1478: 1472: 1471: 1469: 1467: 1453: 1447: 1446: 1444: 1442: 1428: 1422: 1421: 1419: 1417: 1403: 1394: 1393: 1391: 1389: 1375: 1369: 1368: 1366: 1364: 1350: 1344: 1343: 1341: 1339: 1325: 1319: 1318: 1316: 1314: 1300: 1294: 1293: 1291: 1289: 1275: 1269: 1268: 1266: 1264: 1253: 1247: 1246: 1241: 1239: 1223: 1217: 1216: 1214: 1212: 1197: 1191: 1190: 1188: 1186: 1171: 1165: 1164: 1162: 1160: 1149: 1143: 1142: 1140: 1138: 1123: 1117: 1116: 1114: 1112: 1097: 1091: 1090: 1088: 1086: 1071: 1065: 1064: 1062: 1060: 1045: 1039: 1038: 1036: 1034: 1019: 1013: 1012: 1010: 1008: 994: 985: 984: 973: 967: 966: 955: 949: 948: 937: 931: 930: 928: 926: 911: 905: 904: 902: 900: 886: 880: 879: 877: 875: 861: 855: 854: 852: 850: 836: 830: 829: 827: 825: 816:. 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It may use 77: 67: 65: 61: 57: 52: 51:data transfer 48: 44: 43:mobile phones 40: 36: 35:flash storage 32: 28: 22: 2087: 2028:Memory Stick 2012:Express Card 2001:CompactFlash 1957:Memory cards 1908:Presentation 1871:. Retrieved 1866: 1857: 1848: 1839: 1830: 1821: 1812: 1803: 1794: 1785: 1776: 1767: 1755:. Retrieved 1751: 1742: 1730:. Retrieved 1717: 1708: 1699: 1687:. Retrieved 1683: 1674: 1662:. Retrieved 1658: 1649: 1636: 1626: 1614:. Retrieved 1610: 1601: 1589:. Retrieved 1585: 1576: 1564:. Retrieved 1560: 1551: 1539:. Retrieved 1535: 1526: 1514:. Retrieved 1510: 1501: 1489:. Retrieved 1485: 1476: 1464:. Retrieved 1460: 1451: 1441:18 September 1439:. Retrieved 1435: 1426: 1414:. Retrieved 1410: 1386:. Retrieved 1382: 1373: 1361:. Retrieved 1357: 1348: 1336:. Retrieved 1332: 1323: 1311:. Retrieved 1307: 1298: 1286:. Retrieved 1282: 1273: 1261:. Retrieved 1251: 1243: 1236:. Retrieved 1231: 1221: 1209:. Retrieved 1207:. 6 May 2019 1204: 1195: 1183:. Retrieved 1178: 1169: 1157:. 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Index

Unix File System
flash storage
digital cameras
mobile phones
consumer electronic
data transfer
ball grid array
memory cards
NAND flash
multiple stacked
dies
flash memory
Nokia
Sony Ericsson
Texas Instruments
STMicroelectronics
Samsung
Micron
SK Hynix
eMMCs
SD cards
M-PHY
MIPI Alliance
LVDS
SCSI architectural model
SCSI Tagged Command Queuing
JEDEC Solid State Technology Association
Linux kernel
OpenBSD
Windows 10

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