The Crucial 8GB (2x4GB) DDR4 SO-DIMM 260-Pin PC4-19200 Non-ECC memory modules are designed for high performance in laptops and other portable devices. With a total capacity of 8GB spread across two 4GB modules, these memory sticks offer fast data transfer speeds at a bus speed of PC4-19200 (DDR4-2400). The SO-DIMM form factor and DDR4 SDRAM type make them compatible with a wide range of devices, while the non-ECC feature ensures reliable operation without error correction. Made by Crucial, a trusted brand in computer memory, these modules are a reliable choice for upgrading your system's RAM capacity.