Adding more memory increases system performance. It allows you to take advantage of the ThinkStation full potential when working with 3D imaging, digital content creation, multimedia and other memory intensive applications. RDIMM memory allows ThinkStation D20 users to maximize memory capacity to 96GB. Compatible with ThinkStation D20 systems. Features & Benefits: - Higher bandwidth made possible by 8-bit pre-fetch buffer - Error Correcting Code (ECC) offers protection of memory errors which results in greater data integrity and system uptime - ThinkStation testing ensures compatibility with ThinkStation D20.