The product is a set of two Hynix 2GB PC3-12800E-11-11-D1 DDR3 SDRAM memory modules designed for desktop computers. With a total capacity of 4GB, each module has a capacity of 2GB. The memory modules are DIMM form factor with 240 pins and a bus speed of PC3-12800E (DDR3-1600). The model number is HMT325U7CFR8C-PB. This memory set is ideal for upgrading or replacing existing memory modules in desktop systems for improved performance and multitasking capabilities.