The Laptop Ram Hynix 2GB x2 is a set of two DDR3 SDRAM modules with a capacity of 4GB per module. These DIMM, UDIMM, and SO-DIMM form factor modules are manufactured by the trusted brand Hynix. The product does not contain any materials known to cause cancer or reproductive harm in the State of California. It is essential to avoid exposure to harmful chemicals when operating or servicing a vehicle, as outlined in the California Prop 65 Warning. This RAM set is a reliable choice for upgrading your laptop's memory capacity.