This Corsair XMS3 HX3X12G1333C9 RAM module has a total capacity of 2GB with a bus speed of PC3-10600 (DDR3-1333). It is compatible with a variety of brands, has a form factor of DIMM and has 240 pins. The package includes one module of 2GB capacity and of the model HX3X12G1333C9. This DDR3 SDRAM module is perfect for enhancing the performance of your computer.