The LENOVO 47J0168 memory module offers your system a quick and reliable upgrade with its 4GB capacity. This single DIMM operates at a voltage of 1.5V and has a specification of PC3-12800, equivalent to an effective speed of 1600MHz. Featuring a CAS latency of 11, it ensures timely access to your data and smooth operation of the memory-intensive applications. The use of ECC (Error Correcting Code) technology further enhances its reliability, automatically detecting and correcting data corruption. This feature is crucial for systems that require high levels of data integrity, such as servers and workstations. The module's configuration as 1Rx4 (single rank x4) enhances its compatibility with various systems, making it a versatile choice for upgrading your Lenovo equipment.