The ADDB1333W4G9-B from Adata is a DDR3 ECC SODIMM memory module designed to meet the needs of users requiring both high performance and data integrity in their laptops or small form factor PCs. This 4GB module operates at 1333MHz and conforms to the 204-pin SODIMM standard, making it compatible with a wide range of devices. It features a 512Mx72 ECC SODIMM 1Rx8 configuration, ensuring error correction capabilities that significantly reduce the risk of data errors. Such features make it ideal for critical applications where data accuracy is paramount. Adata's commitment to quality is reflected in this module, with the use of 512Mx8, 9C components, ensuring reliable and stable operation.