The CT51272BB160B is a DDR3 1600 module designed and manufactured by Crucial, a well-regarded name in the memory industry. Boasting a capacity of 4GB, this module is composed of a 512Mx72 ECC Reg/RDIMM configuration, ensuring robust error correction and reliability crucial for server environments and workstations. The DDR3-1600 speed rating promises swift data transfer rates, enhancing overall system performance. With its 240-pin interface, this module offers compatibility with a wide range of systems designed for DDR3 technology. The ECC (Error-Correcting Code) and registered DIMM (RDIMM) features make it an excellent choice for systems that require memory stability and integrity for critical tasks. The CT51272BB160B adheres to the PC3-12800 standard, indicating its peak transfer rate and solidifying its place as a reliable component for upgrading or building efficient and error-resistant computing systems.