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Memory card
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Miniaturization is evident in memory card creation; over time, the physical card sizes grow smaller.
A 32GB SanDisk memory card with adapter
A memory card, flash card or memory cartridge is an electronic flash memory data storage device used for storing digital information. These are commonly used in portable electronic devices, such as digital cameras, mobile phones, laptop computers, tablets, PDAs, portable media players, video game consoles, synthesizers, electronic keyboards, and digital pianos.
Contents
[hide]
1 History
2 Data table of selected memory card formats
3 Overview of all memory card types
3.1 Comparison
4 Video game consoles
5 See also
6 References
History[edit]
PC Cards (PCMCIA) were the first commercial memory card formats (type I cards) to come out, but are now mainly used in industrial applications and to connect I/O devices such as modems. Since 1994, a number of memory card formats smaller than the PC Card arrived, the first one was CompactFlash later SmartMedia and Miniature Card. The desire for smaller cards for cell-phones, PDAs, and compact digital cameras drove a trend that left the previous generation of "compact" cards looking big. In digital cameras SmartMedia and CompactFlash had been very successful[neutrality is disputed]. In 2001, SM alone captured 50% of the digital camera market and CF had captured the professional digital camera market. By 2005 however, SD/MMC had nearly taken over SmartMedia's spot, though not to the same level and with stiff competition coming from Memory Stick variants, as well CompactFlash. In industrial and embedded fields, even the venerable PC card (PCMCIA) memory cards still manage to maintain a niche, while in mobile phones and PDAs, the memory card has become smaller.
Since 2010, new products of Sony (previously only using Memory Stick) and Olympus (previously only using XD-Card) have been offered with an additional SD-Card slot.[1] Effectively the format war has turned in SD-Card's favor.[2][3][4]
Data table of selected memory card formats[edit]
Name
Abbreviation
Form factor
DRM
PC Card PCMCIA 85.6 × 54 × 3.3 mm No
CompactFlash I CF-I 43 × 36 × 3.3 mm No
CompactFlash II CF-II 43 × 36 × 5.5 mm No
CFexpress CFX 38.5 × 29.8 × 3.8 mm Unknown
SmartMedia SM / SMC 45 × 37 × 0.76 mm No
Memory Stick MS 50.0 × 21.5 × 2.8 mm MagicGate
Memory Stick Duo MSD 31.0 × 20.0 × 1.6 mm MagicGate
Memory Stick PRO Duo MSPD 31.0 × 20.0 × 1.6 mm MagicGate
Memory Stick PRO-HG Duo MSPDX 31.0 × 20.0 × 1.6 mm MagicGate
Memory Stick Micro M2 M2 15.0 × 12.5 × 1.2 mm MagicGate
Miniature Card 37 × 45 × 3.5 mm No
Multimedia Card MMC 32 × 24 × 1.5 mm No
Reduced Size Multimedia Card RS-MMC 16 × 24 × 1.5 mm No
MMCmicro Card MMCmicro 12 × 14 × 1.1 mm No
P2 card P2 No
Secure Digital card SD 32 × 24 × 2.1 mm CPRM
SxS SxS No
Universal Flash Storage UFS Unknown
miniSD card miniSD 21.5 × 20 × 1.4 mm CPRM
microSD card microSD 15 × 11 × 0.7 mm CPRM
xD-Picture Card xD 20 × 25 × 1.7 mm No
Intelligent Stick iStick 24 × 18 × 2.8 mm No
Serial Flash Module SFM 45 × 15 mm No
µ card µcard 32 × 24 × 1 mm Unknown
NT Card NT NT+ 44 × 24 × 2.5 mm No
XQD card XQD 38.5 × 29.8 × 3.8 mm Unknown
Secure Digital card (SD)
MiniSD Card with an SD card adapter
CompactFlash (CF-I)
Memory Stick
MultiMediaCard (MMC)
SmartMedia
xD-Picture Card
Overview of all memory card types[edit]
Main article: Comparison of memory cards
This section does not cite any sources. Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. (May 2015) (Learn how and when to remove this template message)
PCMCIA ATA Type I Card (PC Card ATA Type I)
PCMCIA Type II, Type III cards
CompactFlash Card (Type I), CompactFlash High-Speed
CompactFlash Type II, CF+(CF2.0), CF3.0
Microdrive
CFexpress
MiniCard (Miniature Card) (max 64 MB / 64 MiB)
SmartMedia Card (SSFDC) (max 128 MB) (3.3 V,5 V)
xD-Picture Card, xD-Picture Card Type M
Memory Stick, MagicGate Memory Stick (max 128 MB); Memory Stick Select, MagicGate Memory Stick Select ("Select" means: 2x128 MB with A/B switch)
SecureMMC
Secure Digital (SD Card), Secure Digital High-Speed, Secure Digital Plus/Xtra/etc (SD with USB connector)
miniSD card
microSD card (aka Transflash, T-Flash)
SDHC
WiFi SD Cards (SD Card With WiFi Card Built in) Powered by Device. (Eye-Fi, WiFi SD, Flash Air)
MU-Flash (Mu-Card) (Mu-Card Alliance of OMIA)
C-Flash
SIM card (Subscriber Identity Module)
Smart card (ISO/IEC 7810, ISO/IEC 7816 card standards, etc.)
UFC (USB FlashCard) (uses USB)
FISH Universal Transportable Memory Card Standard (uses USB)
Intelligent Stick (iStick, a USB-based flash memory card with MMS)
SxS (S-by-S) memory card, a new memory card specification developed by Sandisk and Sony. SxS complies to the ExpressCard industry standard.[5]
Nexflash Winbond Serial Flash Module (SFM) cards, size range 1 mb, 2 mb and 4 mb.
Comparison[edit]
Standard
SD
UFS Card
CFast
XQD
CFexpress
Version 3.0 4.0 6.0 7.0[6] 1.0 2.0 1.0 2.0 1.0 2.0 1.0 ?
Launched 2010 Q2 2011 Q1 2017 Q1 ? Q2 2016 ? 2008 Q3 2012 Q3 2011 Q4 2014 Q1 2017 Q2 ?
Bus UHS-I UHS-II UHS-III PCIe UFS 2.0 UFS 3.0 SATA-300 SATA-600 PCIe 2.0 x1 PCIe 2.0 x2 PCIe 3.0 x2 PCIe 3.0 x8
Speed
(full-duplex)
104 MB/s 156 MB/s 624 MB/s 1970 MB/s (?) 600 MB/s 1200 MB/s 300 MB/s 600 MB/s 500 MB/s 1000 MB/s 1970 MB/s 7880 MB/s
Video game consoles[edit]
This section does not cite any sources. Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. (December 2011) (Learn how and when to remove this template message)
PlayStation 1MB memory card
Playstation 2 8MB memory card
Many older video game consoles used memory cards to hold saved game data. Cartridge-based systems primarily used battery-backed volatile RAM within each individual cartridge to hold saves for that game. Cartridges without this RAM may have used a password system, or wouldn't save progress at all. The Neo Geo AES, released in 1990 by SNK, was the first video game console able to use a memory card. AES memory cards were also compatible with Neo-Geo MVS arcade cabinets, allowing players to migrate saves between home and arcade systems and vice versa.[7] Memory cards became commonplace when home consoles moved to read-only optical discs for storing the game program, beginning with systems such as the TurboGrafx-CD and Sega-CD.
Until the sixth generation of video game consoles, memory cards were based on proprietary formats; later systems have used established industry hardware formats for memory cards, such as FAT32.
Home consoles now commonly use hard disk drive storage for saved games and allow the use of generic USB flash drives or other card formats via a memory card reader to transport game saves and other game information, along with cloud storage saving, though most portable gaming systems still rely on custom memory cartridges to store program data, due to their low power consumption, smaller physical size and reduced mechanical complexity.
See also[edit]
Comparison of memory cards
Hot swapping
References[edit]
Jump up ^ Grunin, Lori (2010-01-06). "Sony does SD; Panasonic intros first SDXC cards | 2010 CES — CNET Blogs". Ces.cnet.com. Retrieved 2013-01-07.
Jump up ^ "Format-Krieg entschieden: SD-Card setzt sich durch" ("format-war resolved: SD-card prevails"), Chip-online, 14. January 2010
Jump up ^ "Camera trends come into focus for 2010", msnbc, 13. January.2010 "As much as the storage-format war cleared up a bit with Sony announcing that it would support SD and SDHC cards ..."
Jump up ^ "FEATURE: Playing Your Cards Right at Retail", Peter K. Burian, 4. June 2010. "Some industry observers have suggested that this development signals an end to the 'format war,' ..."
Jump up ^ "SanDisk and Sony announce SxS memory card: Digital Photography Review". Dpreview.com. Retrieved 2013-01-07.
Jump up ^ Pinto, Yosi. "SD + PCIe/NVMe card New Innovations in SD Cards Lead the Way to Mobile Everything" (PDF). Flash Memory Summit. line feed character in |title= at position 20 (help)
Jump up ^ "The Official NEO-GEO Memory Card FAQ by Billy Pitt". www.neogeoprotos.com. Retrieved 2017-02-10.
Wikimedia Commons has media related to Memory card.
[show]
v
t
e
Memory cards
Main articles
Memory card reader
Comparison of memory cards
SD Card and MultiMediaCard family comparison
Types
CompactFlash (CF, CFast)
CFexpress
Express Card
JEIDA
MultiMediaCard (MMC)
Memory Stick (MS, MS-PRO, MS-PRO HG, MS-XC)
miCard
Microdrive (MD)
MiniCard
P2 (MicroP2)
PC Card (PCMCIA, CardBus, CardBay)
Secure Digital (SDSC, SDHC, SDXC)
SmartMedia (SM)
SxS
Universal Flash Storage (UFS)
USB
xD-Picture
XQD
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GND: 4770594-2
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