Sandisk Memory Stick

Sandisk Memory Stick
will sandisk Memory Stick Pro duo work with the R4 card for DS?

I ordered a Kingston microSD card, but not until next January and I wondered if SanDisk Memory Stick Pro Duo is compatible with the R4 Revolution for DS anyone know?

No, of different sizes.

Sandisk 8GB M2 Memory Stick Micro released (tested)