This listing includes a lot of vintage 30-pin SIMM RAM modules, ideal for collectors, vintage computer enthusiasts, or those looking to restore older systems. The lot contains modules from various manufacturers including Siemens, Samsung, and others with chips made in Korea and Japan. These modules feature varying capacities per module, typically 1MB and 4MB, and include different access times (e.g., 70ns, 80ns). Please review all images carefully for specific chip details, part numbers, and condition. These are untested and sold as-is for parts or repair.