The LENOVO 49Y1434 memory module provides 2GB of ECC DDR3 RAM, aimed at enhancing the performance and reliability of servers. With a speed of 1333MHz (PC3-10600) and a CAS latency of 9 (CL9), it offers a solid balance between speed and latent responsiveness. Operating at a standard voltage of 1.5V, it ensures compatibility with a wide range of DDR3-supported systems. The ECC (Error Correcting Code) capability is critical for servers, as it detects and corrects data corruption, ensuring system stability and data integrity. The 1Rx4 configuration indicates a single-rank module that is often more compatible with a wide array of systems, especially older models, making it an ideal choice for upgrading legacy servers. This module is designed for those looking to boost their server's performance with reliable memory from a trusted brand.