Upgrade your Lenovo B590 with the OWC 4GB DDR3 1600 PC3-12800 RAM Module. This high-performance memory module features a CL11 latency and operates at 1.5V, ensuring efficient power consumption. With its 204-pin design, it’s a perfect fit for your laptop, enhancing multitasking and overall system speed. The 2Rx8 configuration provides reliable performance, while the sleek black chips add a touch of style. Experience smoother computing and faster load times with this easy-to-install memory upgrade. Perfect for gamers and professionals alike!