The RAM from PHS-memory is specifically designed for the Asus VivoBook X1504VA-NJ814W and offers a storage capacity of 8 gigabytes. This memory is 100% compatible with the mentioned laptop model and ensures optimal performance. The SO-DIMM form factor and DDR4 RAM type make it an ideal choice for modern applications and multitasking. With a memory clock frequency of 3200 megahertz (MHz) and a voltage of 1.2 volts (V), this RAM provides efficient energy use and high speed. The memory features 260 pins, making it a reliable option for upgrading or replacing in compatible devices. By utilizing high-quality DDR4 chip technology, it achieves improved data transfer rates and system stability, enhancing the overall performance of the laptop. This RAM is an excellent choice for anyone looking to optimize the performance of their Asus VivoBook X1504VA-NJ814W.