equal
deleted
inserted
replaced
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1 |
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2 ========== |
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3 SD cards |
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4 ========== |
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5 .. contents:: |
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6 :local: |
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7 |
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8 Standards |
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9 ========= |
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10 |
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11 ======= =========== ====== ======= =============== ================== |
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12 Acronym Capacity FS Spec Compatibility Name |
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13 ======= =========== ====== ======= =============== ================== |
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14 SD 128MB-2GB FAT16 SD, SDHC, SDXC |
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15 SDHC 4-32 GB FAT32 SDA 2.0 SDHC, SDXC High Capacity |
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16 SDXC 64GB-2TB exFAT SDA 3.0 SDXC Extended Capacity |
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17 ======= =========== ====== ======= =============== ================== |
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18 |
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19 Ultra High Speed, Phase I (UHS-I): |
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20 * 50MB/s (UHS-50) |
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21 * 104MB/s (UHS-104) |
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22 |
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23 Ultra High Speed Phase II (UHS-II): |
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24 * 156MB/s |
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25 * 312MB/s |
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26 |
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27 Speed |
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28 ===== |
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29 |
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30 SD Speed Class: |
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31 |
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32 ====== ========= |
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33 Class Min Speed |
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34 ====== ========= |
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35 2 2MB/s |
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36 4 4MB/s |
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37 6 6MB/s |
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38 8 8MB/s |
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39 10 10MB/s |
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40 ====== ========= |
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41 |
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42 UHS Speed Class: |
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43 |
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44 ====== ========= |
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45 Class Min Speed |
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46 ====== ========= |
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47 1 10MB/s |
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48 3 30MB/s |
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49 ====== ========= |
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50 |
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51 https://support-in.wd.com/app/answers/detailweb/a_id/36273/~/specifications-and-compatibility-for-sd%2Fsdhc%2Fsdxc-memory-cards |
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52 Specifications and Compatibility for SD/SDHC/SDXC Memory Cards. |
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53 |