Physical Details
Note that a memory card's dimensions are determined while holding the card with contact pins upwards. The length of cards is often greater than their width. Most cards show a directional arrow to aid insertion; such an arrow should be upward.
| Card | Width (mm) | Length (mm) | Thickness (mm) | Volume (mm³) | Mass (g) |
|---|---|---|---|---|---|
| CompactFlash, Type I | 43.0 | 36.0 | 3.3 | 5,108 | 3.3 |
| CompactFlash, Type II | 43.0 | 36.0 | 5.0 | 7,740 | |
| SmartMedia | 37.0 | 45.0 | 0.76 | 1,265 | 2.0 |
| MMC, MMCplus | 24.0 | 32.0 | 1.4 | 1,075 | 1.3 |
| RS-MMC, MMCmobile | 24.0 | 18.0 | 1.4 | 605 | 1.3 |
| MMCmicro | 14.0 | 12.0 | 1.1 | 185 | |
| SD, SDHC, SDXC, SDIO | 24.0 | 32.0 | 2.1 | 1,613 | 2.0 |
| miniSD, miniSDHC, miniSDIO | 20.0 | 21.5 | 1.4 | 602 | 1.0 |
| microSD, microSDHC, microSDXC | 11.0 | 15.0 | 1.0 | 165 | 0.27 |
| Memory Stick Standard, PRO | 21.5 | 50.0 | 2.8 | 3,010 | 4.0 |
| Memory Stick Duo, PRO Duo, PRO-HG, XC | 20.0 | 31.0 | 1.6 | 992 | 2.0 |
| Memory Stick Micro (M2), XC | 12.5 | 15.0 | 1.2 | 225 | 2.0 |
| XQD card | 38.5 | 29.8 | 3.8 | ||
| xD | 25.0 | 20.0 | 1.78 | 890 | 2.8 |
| USB | varies | varies | varies | varies | varies |
Read more about this topic: Comparison Of Memory Cards
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