Elevate your computer's performance with the Crucial Ballistix Elite 4GB Kit, consisting of two 2GB DDR3 SDRAM modules with a bus speed of DDR3-1866. This memory kit boasts a total capacity of 4GB and features ECC memory, ensuring data integrity and reliability. Designed with a 240-pin form factor and compatible with SO-DIMM, this memory kit is perfect for those seeking to upgrade their computer's memory capabilities. Whether you're a gamer, content creator, or simply looking for a faster computing experience, the Crucial Ballistix Elite 4GB Kit is the perfect addition to your setup.