The CT4G4SFS8213 is a DDR4 RAM module designed by Crucial Bulk, a renowned manufacturer in the memory module industry. This specific model features a capacity of 4GB and is built using eight 512Mx8 memory chips. The RAM operates at a speed of 2133MHz (DDR4-2133P), providing robust performance for applications requiring high-bandwidth data processing. This SODIMM module utilizes a 260-pin interface, making it compatible with various laptops and small form factor PCs that support DDR4 2133 SODIMM memory. Its compact and efficient design ensures it fits in tight spaces, offering an upgrade path for systems requiring enhanced memory capacity and speed.