The CORSAIR CMV4GX3M1A1333C9 DDR3-1333 PC3-10600 DIMM Desktop Memory RAM is a high-quality RAM module designed for desktop computers. With a capacity of 4GB per module and a total of 1 module included, this DDR3 SDRAM memory offers fast performance at a bus speed of PC3-10600 (DDR3-1333). The DIMM form factor and 240 pins make it compatible with a wide range of desktop systems, providing reliable and efficient memory support for improved system performance.