Compatible SD Cards for Zoom H4 and H2.
With the Zoom H2 and H4 handheld recorders, you are able to use SD cards with up to 8 GB capacity...provided they are compatible with the recorder. You can find out which cards are compatible by visiting Zoom's compatibility pages:Compatible SD cards for the Zoom H2Compatible SD cards for the Zoom H4
If these links do not work, then go to zoom.co.jp
then "Product," then "H4" (or "H2"), and finally click on the "Operation Confirmed SD Cards" link.