Upgrade your vintage Apple Mac with this rare set of three 256k SIMM FPM DRAM modules. Each module is a genuine Apple memory solution, designed to provide your system with the reliability and performance it needs to run at its best. These modules feature a 30-pin interface and operate at a bus speed of 150, ensuring a snug fit and optimal compatibility with your Mac.The set includes three non-parity memory modules, allowing for a total capacity of 768k, perfect for users who demand a substantial boost in performance. Despite the country of origin being unknown, these original Apple memory sticks are a testament to the classic era of computing and are an essential find for collectors and enthusiasts alike.