The M471B5673GH0-CH9 is a DDR3-1333 SO-DIMM memory module manufactured by Samsung, specifically designed for use in laptops and small form factor PCs that require compact, high-speed memory. With a configuration of 256Mx64, this 2GB module utilizes a dual-rank 2Rx8 setup, meaning it has two ranks of memory banks for improved performance. The module operates at a speed of 1333MT/s (MegaTransfers per second), providing a balance between high performance and power efficiency. Its 204-pin interface is standardized for DDR3 SO-DIMM slots, ensuring compatibility with a wide range of devices. The memory chips used in this module are organized as 128Mx8, indicating that each chip has a capacity of 128 megabits arranged in an 8-bit wide interface, with a total of 16 chips (16C) populating the module. This design allows for reliable and speedy access to data, making it an excellent choice for upgrading the memory capacity and performance of compatible systems.