Smart Media Card - SMC

Smart Media Card - SMC card were mainly used in cameras such as the Fuji digital and their highest capacity was 128MB. Apart from being thinner, an SMC card has more or less same dimensions as that of a CF card. They are no longer in production and you wouldn't be able to use them with present day portable devices. But if you do get your hands on a device that uses one, you won't be able to upgrade its storage capacity.
Advantange - None
Disadvantange - Outdated technology, Slower Speeds, susceptible to crashes.

Description:

• Size: 45.0 × 37.0 × 0.76 mm
• Weight: 2 g
• Capacities: 2, 4, 8, 16, 32, 64, 128 MB
• Uses 16-Mbit, 32-Mbit, and 64-Mbit NAND-type flash memory chips
• Flat electrode terminal with 22 pins — (32M & 64M compatible)
• Data transfer rate: 2MB/s
• 1,000,000 read/write cycles
• Ten year storage time without power
• Metallic write-protect sticker