Quick comparision of couple USB 3.0 cardreaders with UHS-I support.
Transcend 300x SDHC UHS-1 U1
| TS-RDF5 | TS-RDF8 | TS-RDF9 | FCR-MLG4 | |
| Read speed | ||||
| Sequential Read (QD=Q32) (MB/s) | 92.26 | 88.71 | 93.56 | 94.11 |
| Random Read 4KB (QD=32) (MB/s) | 6.58 | 9.39 | 10.52 | 10.50 |
| Sequental Read (MB/s) | 93.54 | 93.54 | 94.17 | 94.37 |
| Random Read 4KB (MB/s) | 6.38 | 8.92 | 10.11 | 10.04 |
| Write Speed | ||||
| Sequential Write (QD=Q32) (MB/s) | 35.05 | 38.22 | 37.89 | 38.25 |
| Random Write 4KB (QD=32) (MB/s) | 0.98 | 1.00 | 0.78 | 1.03 |
| Sequental Write (MB/s) | 34.81 | 37.95 | 37.54 | 37.33 |
| Random Write 4KB (MB/s) | 0.82 | 0.68 | 0.88 | 0.66 |
Sandisk microSDHC UHS-1 U3
| TS-RDF5 | TS-RDF8 | TS-RDF9 | FCR-MLG4 | |
|---|---|---|---|---|
| Read speed | ||||
| Sequential Read (QD=Q32) (MB/s) | 93.13 | 90.35 | 96.66 | 96.54 |
| Random Read 4KB (QD=32) (MB/s) | 7.33 | 9.40 | 9.44 | 8.72 |
| Sequental Read (MB/s) | 95.00 | 96.48 | 97.31 | 96.69 |
| Random Read 4KB (MB/s) | 7.19 | 9.36 | 9.40 | 8.63 |
| Write Speed | ||||
| Sequential Write (QD=Q32) (MB/s) | 87.30 | 86.72 | 88.90 | 88.81 |
| Random Write 4KB (QD=32) (MB/s) | 2.63 | 0.09 | 3.28 | 3.29 |
| Sequental Write (MB/s) | 87.88 | 91.45 | 89.35 | 87.02 |
| Random Write 4KB (MB/s) | 2.56 | 0.10 | 3.16 | 3.18 |