You can use the memory module in universal mainstream motherboards. It has low power consumption as its working voltage is 1.2V. You don't worry about your laptop will suffer sudden crash or freeze and your working efficiency will be greatly improved if you have the memory module in it. It is constructed of PVC material. The length of this product is 6.9cm, the width is 3cm and the height is 0.37cm. The memory module is compatible for laptop, and so on. It features with fast transmission, high-performance chip, fast reading, vibration resistance, low power consumption, anti-oxidation. Item Name: Memory Module Material: PVC Memory: 4GB (4G 2666), 8GB (8G 3200), 16GB (16G 3200) Memory Type: DDR4 Memory Frequency: DDR4 2666MHz Bandwidth: PC3-19200 Interface: 260-pin Working Voltage: 1.2V Storage Temperature: - 20~+75 Degree Celsius Applicable Type: Laptop Features: Wide Compatibility, High Efficiency, High Performance Size Details: L: 6.9cm/2.72" (Approx.) W: 3cm/1.18" (Approx.) H: 0.37cm/0.15" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Memory Module