https://wccftech.com/teamgroup-launches-ddr5-memory-with-32gb-in-house-heatsink-technology/

Taiwan computer accessories and peripheral leader, TEAMGROUP, releases two new industrial memory products—an industry-standard temperature (IST) DDR5, which maintains a case temperature between 0° to 85°C (185°F), and an industrial wide range temperature (IWT) DDR5, which maintains ambient temperatures between -40° to 85°C (-40° to 185°F).

A spokesperson for TEAMGROUP says this about their new DDR5 memory models.