The Ballistix Sport 4GB Dual 0cz memory module is a high-quality DDR3 SDRAM module designed for computer performance enhancement. With a total capacity of 4GB divided into two modules, each module has a capacity of 8GB. The module has 240 pins, operates at a bus speed of PC3-12800 (DDR3-1600), making it ideal for expanding the memory capacity of computers for improved multitasking and overall system efficiency. The Ballistix brand is known for producing reliable and efficient memory modules, making the Ballistix Sport 4GB Dual 0cz a great choice for those looking to upgrade their computer's memory capacity.