IBM BladeCenter Series JS43, JS12, HS12 8014, HS12 8028 compatible Black Diamond memory 2GB 2X1GB DDR2 ECC Registered RDIMM 667MHz. Compatible computer model: IBM BladeCenter Series JS22 Type 7998, HS12 8028, LS22 Type 7901, HS12 Type 8028, JS12, JS12 7998, JS23, HS12 Type 8014, LS22 7901, HS12 8014, JS21 Type 8844, JS43, JS22 7998. 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.