Adafruit I2C Non-Volatile Ferroelectric Ram Breakout - 256Kbit / 32KByte for 3V or 5V Power and Logic or FRAM Storage to DIY Project 1895: Amazon.co.uk: Computers & Accessories
FM24CLXX FRAM Board FM24 F-RAM Serial board with I2C interface FM24CL on board - AliExpress
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Adafruit I2C Non-Volatile Ferroelectric Ram Breakout - 256Kbit / 32KByte for 3V or 5V Power and Logic or FRAM Storage to DIY Project 1895: Amazon.co.uk: Computers & Accessories