This lot of three DDR3 SDRAM modules from SK hynix is a great addition to any computer system. With a bus speed of PC3-12800 (DDR3-1600), these modules provide fast and reliable performance. The brand name is a trusted name in the industry, well-known for their high-quality products. These modules are versatile and can be used in a variety of computer systems. They are specifically designed for use in desktops and laptops, making them a great choice for anyone looking to upgrade their system's memory. With a total capacity of 6GB, this lot is a great value for anyone looking to add more memory to their system.