SuperMicro SUPER P4 Series SUPER P4STA compatible Black Diamond memory 1GB 2X512MB Rambus RDRAM RIMM 800MHz. Compatible computer model: SuperMicro SUPER P4 Series SUPER P4DC6, SUPER P4DC6+, SUPER P4DCE, SUPER P4DCE+II, SUPER P4DC6+II, SUPER P4DCE+, SUPER P4STA. Black Diamond Memory offers the most extensive line of memory solutions today. With our decades of experience specializing in memory, Black Diamond Memory is a proven manufacturer to the semiconductor industry. Our great products combined with our world class service and support have helped us to where we are today. When you have an Black Diamond memory chip, you can count on it being the best available memory for your system. Our system specific Branded Memory line delivers in performance, and is designed to be guaranteed in compatibility with your system. Each of our memory chips come with a lifetime warranty for your peace of mind. Use our Upgrade Configurator to easily find the correct memory module for your system. Please keep in mind that this memory will ONLY work on the models listed above. 15% Restocking fee will apply for non-defective items.