A tiny 0.5MB SmartMedia card wins the Small Capacity Memory Card Championship (Japan) — 2KB Casio battery-backed RAM card lost due to a technicality

various flash memory cards
(Image credit: Future)

The Small Capacity Memory Card Championship (Japan), in which participants submitted their smallest memory cards, has been a tightly run race, but now the results are in. The smallest memory card found by the retro-computer-loving followers of X68PRO-HD on X was a 0.5MB SmartMedia card. While entrants such as the 1.44MB Flash FDD stick and Casio 2KB battery-backed RAM card didn’t make the cut (they didn’t quite fit the category), we were intrigued to see them.

Without further ado, the full list of tiny-capacity winners was as follows (machine translation):

  • SD card: 8MB (SD, miniSD, microSD)
  • MMC card: 4MB
  • CF card: 2MB
  • Memory Stick: 4MB
  • SmartMedia card: 512KB (5V) / 2MB (3.3V)
  • xD-Picture Card: 16MB
  • PCMCIA card: 10MB / 2KB (SRAM)

If I were to join in this low-capacity competition, the best entrant from my drawers of detritus would be the 1GB xD-Picture card I found (see top picture). I also remember spending far too much on a 64MB CF card (and PCMCIA adaptor) back when digital cameras were cutting-edge tech objects of desire. Even that, though, seems massive compared to the 0.5MB SmartMedia card found by X68PRO-HD and their social media acquaintances.

8MB SD card - call for entries

Call for entries (Image credit: X68PRO-HD)

The competition poster tipped a hat to other interesting small-capacity flash storage card entrants, but several were disqualified from the final list. Formats like PS1 memory cards, ‘bubble memory,’ USB thumb drives, and battery-backed flash RAM cards didn’t make the grade. Some of these were out of bounds as they weren’t ‘general-purpose’ flash memory cards.

Nevertheless, the rejects pile offered up some very interesting artifacts from earlier computing eras. Probably the most remarkable small-capacity entry that didn’t make it was the Casio 2KB battery-backed RAM card. This was a type of memory card exclusively for the Casio ‘Pokecon’ (ポケコン) range of pocket computers from the 1980s and 90s.

Another entry that didn’t quite make the grade was a 1MB PCMCIA card that was produced before it became a standard – that was a near miss.

Last but not least, it was interesting to see pictures and information about a 1.44MB ‘Flash FDD’ stick. This was a flash drive with the same capacity as a standard HD floppy. Moreover, it was designed with firmware to emulate a real floppy disk and could be booted from, like a floppy, by Windows and Linux users.

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Mark Tyson
News Editor
  • fdmillion
    I would have won the PCMCIA card race - I have a 2MB SanDisk PCMCIA flash card that still works. I also have a 5MB one.:-)
    Reply
  • Exploding PSU
    We should do something like this! But instead of who has the smallest capacity memory cards, it's who has the slowest CPU. Maybe lowest score on Cinebench?
    Reply
  • CharonPDX
    The lowest-capacity in my collection are:
    MicroSD card/Transflash: 32MB
    xD-Picture Card: 16MB
    SD card: 8MB
    Memory Stick: 4MB
    CF card: 2MB
    SmartMedia card: 2MB (3.3V) / 1MB (5V)
    PCMCIA card: 2 MB flash / 1 MB SRAM
    MMC card: 64 KB - This is an odd monkey. It is made for (and came with) a Siemens medical device. I'm pretty sure inside is a higher-capacity chip, firmware-limited to 64 KB, but I'm not willing to rip it open to find out.


    The smallest "storage card" I have of any format is a 32 KB SRAM card for my HP 48 calculator. It is roughly the same size as a PCMCIA card, but with "gold fingers" at the end of one long side, like an MMC card; rather than recessed pin sockets like PCMCIA. The "gold fingers" are behind a sliding door to protect them.Although one could argue that my old full-size SIM card with 8 KB of onboard flash storage is the smallest, it wasn't strictly a "storage card", the storage capacity was bonus.
    Reply