This lot of 50 Samsung 4GB RAM modules is perfect for upgrading your laptop's memory capacity. With a total capacity of 8GB and capacity per module of 4GB, these SO-DIMM modules are designed to fit most laptops. The memory features ECC memory that ensures data integrity even in case of errors. They are compatible with a variety of laptops, making them a versatile choice. Buy this lot of Samsung laptop RAM modules today and experience improved performance on your laptop.