| 1 | A | B | C | D | E | F | G | H | I |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | SD card - Comparison |  |  |  |  |  |  |  |  |
| 3 | Bus interface | Bus logo | Bus speed | Duplex | Card types | Card types | Card types | Card types | Spec version |
| 4 | Bus interface | Bus logo | Bus speed | Duplex | SD | SDHC | SDXC | SDUC | Spec version |
| 5 | Default Speed | N/A | 12.5 MB/s | - | Yes | Yes | Yes | Yes | 1.01 |
| 6 | High Speed | N/A | 25 MB/s | - | Yes | Yes | Yes | Yes | 2.00 |
| 7 | UHS-I | - | 50 MB/s | Half, Full | No | Yes | Yes | Yes | 3.01 |
| 8 | UHS-I | - | 104 MB/s | Half | No | Yes | Yes | Yes | 3.01 |
| 9 | UHS-II | - | 156 MB/s | Full | No | Yes | Yes | Yes | 4.00 |
| 10 | UHS-II | - | 312 MB/s | Half | No | Yes | Yes | Yes | 4.00 |
| 11 | UHS-III | - | 312 MB/s | Full | No | Yes | Yes | Yes | 6.0 |
| 12 | UHS-III | - | 624 MB/s | Full | No | Yes | Yes | Yes | 6.0 |
| 13 | SD Express | - | 985 MB/s | Full | No | Yes | Yes | Yes | 7.0 |

Question: What other duplex was it for?
Answer: Version 3.01 introduced the SDHC and SDXC cards, with speeds of 50 MB/s and 104 MB/s, for UHS-I bus.