The product is a set of 10 Samsung DDR4 SDRAM memory modules with a total capacity of 40GB. Each module has a capacity of 4GB, and they are designed in a SO-DIMM form factor with 260 pins. The bus speed is PC4-25600 (DDR4-3200), making them suitable for high performance computing tasks. The model number is M471A5244CB0-CWE, ensuring compatibility with a wide range of laptops. These memory modules have been tested and are ready for installation in your computer for improved speed and efficiency.