The Samsung 32GB PC4-21300 DDR4-2666 Memory module (M393A4K40CB2-CTD7Y) is a high-performance server memory designed for enterprise networking and server applications. With a total capacity of 32GB and a bus speed of PC4-21300 (DDR4-2666), this RDIMM module provides reliable and fast memory access for servers. It features ECC memory and is registered, ensuring error correction and improved stability for critical server operations. Ideal for businesses requiring high-capacity and efficient memory solutions for their servers.