Upgrade your QNAP device with the OWC 4GB Replacement RAM, designed specifically for seamless compatibility. This Non-ECC SODIMM DDR3 module operates at a speedy 1866 MHz, ensuring smooth performance for your applications. With a 1Rx8 configuration and a low voltage of 1.5V, it provides efficient power consumption. The sleek black chips not only enhance the aesthetic but also ensure reliability and durability. Ideal for enhancing multitasking capabilities, this RAM is the perfect solution for those looking to boost their QNAP system's performance.