The M393ABG40M5B-CYFBY is a robust and high-capacity DDR4 memory module manufactured by Samsung, a leader in advanced semiconductor technology. As part of the DDR4 2933 Module 288pins category (PC4-23466), it showcases an impressive data transfer speed of up to 2933 MT/s. This module is specifically designed to meet the needs of high-performance computing systems, featuring a configuration of DDR4-2933Y 32Gx72 ECC Reg/RDIMM 2S4Rx4, which translates to a massive 256GB of memory when fully populated. The module uses ECC (Error Correcting Code) to provide superior data reliability and is configured as a Registered DIMM (RDIMM) with dual rank and quad-die package 4Rx4, indicating high density and reliability. It is specially suited for servers and data centers requiring substantial memory capacity and data integrity.