The OCZ Technology PC3-10666 4GB DIMM 1333 MHz DDR3 SDRAM Memory modules are designed for high performance and capacity in desktop computers. With a total capacity of 4GB spread across three modules, each with a capacity of 2GB, these DDR3 modules offer fast data transfer speeds at 1333MHz. Featuring unbuffered memory technology, these modules are ideal for gamers, content creators, and professionals looking to boost their system's memory capacity. The OCZ brand is known for quality and reliability, making these memory modules a dependable choice for enhancing your computer's performance.