these are listed on maudios site
of course they are cf cards, but brand wise it might help you some
*Tested and approved CF cards for the MicroTrack:
Hitachi Microdrive 2GB, 4GB, 6GB
Seagate 5GB drive ("microdrive" type)
Transcend 4GB CF, 45x
Corsair 4GB CF (47-00057)
Lexar 1GB CF Professional 80x
SanDisk 1GB CF
JAMedia 1GB CF
Toshiba 512MB CF
JAMedia 256MB CF
SimpleTech 128MB CF
Kodak 64MB CF
Kingston Elite Series
CF/1024-S 1 GB Compact Flash Card (SLC) (50x)
CF/2GB-S 2 GB Compact Flash Card (SLC) (50x)
CF/4GB-S 4 GB Compact Flash Card (SLC) (45x)
Kingston Standard Series
CF/128 128MB Compact Flash Card
CF/256 256MB Compact Flash Card
CF/512 512MB Compact Flash Card
CF/1024 1024MB Compact Flash Card