The KTT-S3BS/4GFR is a high-performance DDR3 SODIMM module designed by Kingston Retail, tailor-made for seamless compatibility with a wide array of systems. It comes in a compact 204-pin SODIMM form factor, making it an ideal choice for upgrading laptops, small form factor (SFF) PCs, and other space-constrained systems that require reliable, high-speed memory. The module features a capacity of 4GB, operating at a frequency of DDR3-1333MHz, offering a solid balance between speed and power efficiency. Its architecture is based on a 512Mx64 configuration, ensuring robust performance for multitasking and demanding applications. Engineered by Kingston, a renowned leader in the memory market, this module meets strict quality standards, delivering stability and durability for long-term operation. It's an excellent choice for users seeking to enhance their system's responsiveness and overall performance without compromising on reliability.