Maximize your Business PC performance with HP Memory. Upgrading your memory is a cost-effective way to boost your system performance without having to upgrade your processor.HP 4 GB DDR3 1600 MHz 1.35V SODIMM Memory is compatible with HP business laptops and net books and HP tablets. Optimize your HP Business Notebook performance and realize energy savings with the new low-power HP SODIMM Memory. Enable fast start-up times with few delays during routine operations and support simultaneous opening of and toggling between large files (presentations, spreadsheets, and graphics, etc). Enjoy power savings compared to predecessor memory with just 1.35 V output. HP rigorously tests and qualifies all suppliers for ensured quality so that memory works seamlessly with HP products. Buying HP-branded memory helps ensure all memory characteristics match when upgrading.