This s a set of 2 SIMM RAM sticks. 1Mb each. 70ns speed

Chips are Fujitsu 814400A-70

This set will allow to fit a total of 2Mb on your Atari STE. Buy 2 of this kit to get a total of 4Mb on your Atari STE

All sticks are tested on Atari STE before shipping Important Note: the Atari STE and Mega STE can only take pairs of SIMM. you can fit 2 or 4 sticks and they must have the same capacity. If you have a 520 STE with 2x256kb sticks, you will need to remove all of them and fit 2 (or 4) x1Mb

If you have a 1040 STE with 4x256kb sticks, you will need to remove all of them and fit 2 (or 4) x1Mb

If you are not sure, visit this page: https://info-coach.fr/atari/hardware/memory.php