Addon Factory Original 16Gb Kit Ddr2. 667Mhz Rdimm Memory . 16Gb (2 X 8Gb) . Ddr2 Sdram . 667Mhz Ddr2. 667/Pc2. 5300 . Registered . 240. Pin Dimm "Product Type: Memory/Ram Modules" Go to amazon.com Related posts Which is the best ddr2 8? Feature408855-B21 Description408855-B21