The product is a set of 4 SK Hynix DDR4 PC4-3200AA ECC server RAM modules, with a total capacity of 256GB spread across the modules. Each module has a capacity of 64GB, and they are designed with 288 pins for optimal performance. The DDR4 SDRAM technology ensures high speed at a bus speed of PC4-25600 (DDR4-3200), making it ideal for server applications that require reliable and efficient memory management. The ECC memory feature further enhances the reliability of the system by detecting and correcting errors during data transfers.