The Samsung 256MB PC-133 SDR SDRAM 144-Pin SO-DIMM CL3 RAM is a memory module with a total capacity of 256 MB. It features a bus speed of PC-133 and a form factor of SO-DIMM. This module is designed with a memory feature of CL3 and has 144 pins. It is a single module and has dimensions of 2.6 inches in length, 1.5 inches in height, and 0.1 inches in width. The Samsung brand ensures quality and reliability in this memory module, making it suitable for various computer components and networking needs.Pulled from a working iMac G4.