The Samsung 8GB 1Rx8 PC4-2400T-SA1-11 M471A1K43BB1-CRC RAM Memory is a DDR4 SDRAM module with a total capacity of 8GB. It comes in a SO-DIMM form factor and has a bus speed of PC4-19200 (DDR4-2400). This RAM memory is a single unit and is manufactured in China. It is designed for high performance and is a reliable choice for upgrading your computer's memory capacity.