Removed from old laptopsThis product is a lot of 12 DDR3 SO-DIMM laptop RAM modules with a total capacity of 36GB each. The modules have varying capacities, but they are all PC3-12800S (DDR3-1600) with 204 pins. They are non-ECC memory modules, suitable for standard laptop use. The mixed brands included in this lot ensure compatibility with a wide range of laptop models. Upgrade your laptop's memory capacity with this reliable and efficient RAM lot.