Does the TDS3SDI support HD-SDI as well as SD-SDI or is there a different model?

Does the TDS3SDI support HD-SDI as well as SD-SDI or is there a different model?

The TDS3SDI supports only standard definition SDI signals. For HD-SDI, we recommend a purpose built waveform monitor such as the WFM700 or WFM7000 series products. Please see the following links for information on the WFM700 or WFM7000 series:

WFM700 series introduction

WFM7000 series introduction