The product is a DDR3 SDRAM laptop RAM memory module made by Hynix. It has a total capacity of 4GB, with each module containing 4GB of memory. The memory module has 204 pins and is in SODIMM form factor. It is designed for use in laptops and has ECC memory features for error correction. Made in China, this RAM is a reliable and efficient choice for upgrading or replacing existing memory modules in laptops.