4GB Kit 2x2GB Infineon DDR ECC Registered PC3200R Server RAM HYS72D256220GBR por | Jul 3, 2026• Speed: DDR-400 / PC3200R. • ECC: Yes. • DDR SDRAM Architecture. • Total Capacity: 4GB. • ECC Error Correction Support. • ECC error correction support. • NOT compatible with desktop DDR systems. • Designed for enterprise server platforms.