The Samsung 2GB 1Rx8 PC3-10600S-09-11-B2 Laptop Memory Stick is a single DDR3 SDRAM module with a capacity of 2GB. It features ECC memory, making it suitable for error correction in high-reliability applications. With 204 pins, this memory stick is designed for compatibility with laptops that require this specific type and capacity of RAM. Known for its quality and performance, Samsung memory sticks are a reliable choice for enhancing your computer's speed and efficiency.