The KVR1333D3S9/4G is a high-quality 4GB DDR3 SODIMM memory module from Kingston Retail, designed for use in portable computing devices such as laptops and small form factor PCs. Operating at a speed of 1333MHz, it delivers a substantial performance boost for all your computing needs—be it for professional work, academic purposes, or entertainment. This module, with its 512Mx64 configuration, ensures reliable and fast data transfer rates that significantly enhance the system's multitasking capabilities and overall responsiveness. Designed with 204 pins, it offers compatibility with a wide range of devices that support DDR3 SODIMM memory slots. Manufactured by Kingston Retail, a leading brand in memory products, this module is a hallmark of quality and reliability, assuring users of long-term performance stability and compatibility.