The Samsung 8GB 1Rx8 DDR4 PC4-2666V SO-DIMM Laptop RAM Memory is a high-quality memory module designed for laptops. With a total capacity of 8GB and a bus speed of PC4-21300 (DDR4-2666), it offers fast and efficient performance. This module features ECC memory for error correction and is backed by a lifetime manufacturer warranty. Made by Samsung, a trusted brand in the industry, this memory module is a reliable choice for upgrading your laptop's memory capacity.