Original Name

The MICRO SD format was originally created by SanDisk. It was originally called TFLASH, and
then TransFlash, before being rechristened microSD when adopted by the SD Card Association (SDA)

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Size

At 15 mm x 11 mm x 1 mm—about the size of a fingernail—it is currently the smallest memory card format commercially available. It is about one quarter of the size of a standard SD card but can be inserted into an adapter which allows the card to be used in devices with an SD card slot.

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Differences

TFLASH and MICRO SD cards are essentially the same, and each can be used in devices made for the other type. There is one exception, which is that unlike TransFlash, microSD devices have the capability to support NFC. 1

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Capacity

As of September 2006, microSD cards are commonly available in capacities from 128 MB through 2 GB, with unconfirmed samples of 4GB cards claimed to exist as well.

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Devices

• BenQ-Siemens: E61, EF81, EL71, S82, SFG75, S88
• Garmin hand-held GPS: eTrex Vista Cx, Legend Cx, Ventrue Cx, GPSMap 60cx, 60csx, 76cx, Map76csx, StreetPilot i2, Street Pilot i3, etc.
• HTC: Hermes (TyTN). Also badged as: O2 XDA trion, T-Mobile MDA Vario II, Vodafone 1605 VPA Compact III, Orange SPV M3100, Dopod CHT 9000, Dopod 838 Pro, hTc Z, Qtek 9600, iMate JasJam, Cingular 8525, Cingular 3125, Swissom XPA v1605, SoftBank X01HT, UTStarcom 6800
• i-mate: Smartflip, JasJam
• Kyocera: KX55XO
• LG Electronics: U8360, U8380, U880, VX-8300,VX-8500, VX-8600, VX-9900(enV), LX550(Fusic), CE500, CU320, CU500
• Motorola: V360, E398, V635, V710, A780, E815, A840, E770, E815, E895, C975, V975, C980, V980, A1000, A1200, M1000, E1000, V1000, ROKR, V1050, V1150, SLVR L7, E1060, E1120, RAZR (V3i, V3x, V3m, V6), i870, i580, A1200, MotoKRZR K1
• Nokia: 3250, 6233, 6234, 5200, 5300, 5500, 6125, 6131/6126/6133, 6275i, 6300, E50,N95 (2007)
• Sagem: My V-76 and My X 6-2
• Samsung: SGH-D600, SGH-D807, SGH-D820, SGH-D900, SGH-Z400, SGH-Z500, SGH-Z700, SGH-ZM60, SGH-i300, SGH-i607, SGH-P850, SGH-D510, SGH-X700, SGH-E770, SGH-E900, SGH-X800, SGH-zx10, SPH-A920/MM-A920, SPH-A940, SCH-A950, SCH-A930, SCH-A990, SGH-T809, SGH-T609, SGH-T519, SGH-D807, a9
• Sandisk: Sansa e200 series, SanDisk Sansa c200 series
• Sanyo: SCP-8400
• SuperCard Lite
• RIM (Research In Motion): BlackBerry series, BlackBerry series, Blackberry Pearl 8100