1With wide compatibility, this notebook memory is suitable for Intel, for AMD, providing more convenience. 2Adopting quality chip and premium memory particles, which ensure powerful, durable and stable performance. 3Whether it is playing games or working, this notebook memory can provide you with faster response and smoother operation efficiency. 4Increases the memory capacity, improves the computer's operating speed, and brings higher efficiency to your work and life. 5Quality circuit module board, with high temperature resistance, fast heat dissipation, corrosion and abrasion resistance, easy to carry.1 xDDR3RamItem Type: DDR3 RamMaterial: Printed Circuit BoardModel: DDR3Memory Capacity: 2GB, 4GBMemory Frequency: 1333Mhz/1600MhzBandwidth: PC3-10600, PC3-12800Voltage: 1.5VPin Number: 204PINCompatibility: Suitable for Intel, for AMDApplicable Computer: LaptopNote: the Memory is Divided intoDDR, DDR2, DDR3, DDR4 Models. Please Check the Following List to Know What Memory Has Been Installed in Your Computer, and What Memory You Need to Buy. if You Don't Know Which Memory is Suitable for Your Computer, Please Use the Software Test to See What Memory Your Favorite Computer Needs. (enter in the Baidu Search Bar: "CPU-Z Download" to Search for a CPU-Z Software, Download It and Unzip It), After Running the Software, Look at the "Maximum Bandwidth" Column of the "SPD" Option, You Will See "PCxx00", As Follows:PC-2100 is DDR 266 MemoryPC-2700 is DDR 333 MemoryPC-3200 is DDR 400 MemoryPC2-4200 is DDR2 533 MemoryPC2-4300 is DDR2 533 MemoryPC2-5300 is DDR2 667 MemoryPC2-6400 is DDR2 800 MemoryPC3-8500 is DDR3 1066 MemoryPC3-10700 is DDR3 1333 MemoryPC3-12800 is DDR3 1600 MemoryPC4-17000 is DDR4 2133 MemoryPC4-19200 is DDR4 2400 MemoryPC4-2666v is DDR4 2666 MemoryMemory DDR, DDR2, DDR3, DDR4 Are Not Common to Each Other, and the Slot Sockets Are Different. It Cannot Be Inserted Forcibly to Avoid Damage to the Memory and the Motherboard. Remember!If the Memory Appears: Blue Screen, Crash, Restart, and the Alarm Keeps Beeping, Please Operate According to the Following Methods One by One. if It Does Not Work, It is Determined That It is Not Compatible.You can try the following methods:The memory is not inserted well, or the gold finger is oxidized. Use an eraser to erase the memory finger and then re-insert it, or change the slot;The memory slot is dusty or oxidized. Use a brush and wash board water to clean itThe memory is not compatible, try changing the memory.CMOS is not discharged, try to restore factory settings. (Remove the motherboard battery and put it back in).The motherboard is not compatible with the CPU, try changing the CPU.