SupraFAXModem 14400

Supra had been a small player in the computer market through the mid-to-late 1980s, known originally for their external hard drives for the Atari ST and a variety of follow-on products.

The size and shape of modems had initially been set by the original Hayes Smartmodem in 1981, and its case design was widely used a decade later despite the miniaturization of technology since then.

They later introduced Supra VoiceMail, another Mac application written by STF Technologies that turned the computer into a digital answering machine with caller id routing and similar features.

Continued high-speed use caused the driver chipset to heat up, and as the case lacked any airflow, the modems would eventually get hot enough to lose the ability to connect and start dropping calls.

The SupraExpress was a low-cost series that scaled to lower price points, housed in an all-plastic case and lacking most of the indicator lights.