The product is a set of two SK hynix DDR4 SDRAM memory modules with a total capacity of 16GB. Each module has a capacity of 8GB and they operate at a bus speed of PC4-25600 (DDR4-3200). These modules are designed in the SO-DIMM form factor and have 260 pins. The model number for this specific product is HMA81GS6CJR8N-XN, and they are ideal for upgrading or replacing memory in laptops that require DDR4 RAM.