The Micron MT18VDDF6472G-40BG3 is available from Calhoun Technologies. Calhoun Technologies can helped companies like yours save up to 80% on IT equipment. Our experienced and knowledgeable sales executives are ready to provide quick response to your needs for servers, storage and networking equipment. Brand: Micron Part Number: MT18VDDF6472G-40BG3 Details: 512Mb Ecc/Registered Pc-3200R 400Mhz Ddr Dimm