Notebook modules that operates at speeds up to 1600 mts and has a cl11 latency it is dual voltage and can operate at 135v or 15v it is unbuffered and is non ecc it conforms to the industry standard sodimm layout of 204 pins and is compatible with computers that take ddr3 sodimm memory to use ddr3 memory your system must have both a 204 pin sodimm slot and a chipset that supports ddr3 memory a ddr3 sodimm will not fit into ddr2 or ddr memory sockets sodimms are smaller and thinner