Memory stick features:
1) Store, transfer and share digital pictures, videos, music, presentations,
data, voice files and more
2) IC recording media
3) Read speed (Max.): 2.45MB/second
4) Transfer speed (Max.): 1.5MB/second
5) Erase prevention switch

SD card features:
1) Optimal performance for portable devices
2) Capacity: 128MB, 256MB
3) Compatible with all digital cameras, handheld PCs, digital music players
and other devices that feature SD compliant slots