Adafruit 1895 FRAM Breakout I2C Non- Volatile 256Kbit / 32KByte

Adafruit-FRAM-Breakout-I2C-Non-Volatile-256Kbit-32KByte-Adafruit-1895-P-The-Adafruit-I2C-Non-Volatile-256Kbit-32KByte-FRAM-breakout-gives-your-next-project-fast-persistent-storage-using-cool-new-ferroelectric-RAM-technology-It-s-low-power-has-a-fast-write-speed-and-each-location-can-be-written-to-10-trillion-times-Once-written-data-will-be-kept-safe-for-95-years-at-room-temperature-though-there-may-not-be-Arduinos-then-The-I2C-interface-runs-at-1MHz-and-the-board-is-happy-with-3

Price: £ 12.94 from Rapid Online Rapid Electronics Ltd.