The Samsung DDR4-2133Mhz PC4 17000 4GB Laptop memory module is a high-quality memory module designed for laptops. With a total capacity of 4GB and a bus speed of PC4-17000 (DDR4-2133), this module provides fast and efficient performance for your system. The SO-DIMM form factor and DDR4 SDRAM type ensure compatibility with a wide range of laptops. Additionally, the ECC memory feature provides error correction for reliable operation. Upgrade your laptop's memory capacity with this reliable Samsung memory module.