The Timetec Hynix IC 4GB DDR3 1333 CL9 1 5V 2RX8 RAM module is a high-quality memory unit designed for computers and laptops. With a total capacity of 4GB and a bus speed of PC3-10600 (DDR3-1333), this module provides fast and efficient performance. The module is manufactured by Hynix, a reputable brand known for producing reliable memory products. This RAM module is ideal for upgrading or replacing existing memory modules in order to improve the overall performance of your system. Please see photos.