SDIO speeds

For reference, this table will give you the theorical speeds you can reach on a SDIO bus. All our modules are compliant with SDIO 3.0 specification.

Bus speed mode Max Frequency Signal Voltage Bus Max Perf. Spec Version
Default Speed (DS) 25 MHz 3.3 V 100 Mbps 1.01
High Speed (HS) 50 MHz 3.3 V 200 Mbps 1.10
UHS-I SDR12 25 MHz 1.8 V 100 Mbps 3.01
UHS-I SDR25 50 MHz 1.8 V 200 Mbps 3.01
UHS-I SDR50 100 MHz 1.8 V 400 Mbps 3.01
UHS-I SDR104 208 MHz 1.8 V 832 Mbps 3.01
UHS-I DDR50 50 MHz 1.8 V 400 Mbps 3.01
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