1Applicable to DDR4 PC4-17000 desktop computers, compatible with Intel/AMD motherboards. 2. Built-in high-quality chip, stable performance and high-speed operation. The high memory speed of 32133MHz improves the speed of your computer and brings convenience to your life. 44G/8G/16G large capacity provides powerful performance and storage space for daily reading and writing. 5 high-quality circuit module boards, effectively avoiding corrosion and wear, durable and easy to carry. Features: 1. Suitable for DDR4 PC4-17000 desktop computers, compatible with Intel/AMD motherboards. 2. Built-in high-quality chip, stable performance and high-speed operation. 3. The high memory speed of 2133MHz increases the speed of your computer and brings convenience to your life. 4. 4G/8G/16G large capacity provides powerful performance and storage space for daily reading and writing. 5. High-quality circuit module board, effectively avoids corrosion and wear, is durable and easy to carry. Specifications: Model: DDR4 Memory Frequency: 2133MHZ Memory capacity: 4G, 8G, 16G (optional) Compatibility: Fully compatible (for intel/AMD) Bandwidth: PC4-17000 Voltage: 1.2V Pin count: 288pin Size :13.3*3.1*0.3 cm/5.2*1.2*0.1in Weight: approx. 25.6g Packing list: 1 * Memory module Note: Memory includes SD, DDR, DDR2, DDR3 models, please refer to the list below to know what memory is installed on your computer and what memory you want to buy. If you don't know what memory is right for your computer, use a software test to see what memory your computer needs. (Enter: "CPU-Z Download" in the Baidu search bar to search for a CPU-Z software download and decompress it). After running the software, check the "SPD" option in the "Maximum Bandwidth" column, and you will see "PCxx00", as follows : PC2100 is DDR 266 memory PC2700 is DDR 333 memory PC3200 is DDR 400 memory PC4200 is DDR2 533 memoryPC4300 is DDR2 533 memory PC5300 is DDR2 667 memory PC6400 is DDR2 800 memory PC8500 is DDR3 1066 memory PC10700 is DDR3 1333 memory PC12800 It is DDR3 1600 memory. DDR, DDR2, and DDR3 are not compatible with each other, and the slots and sockets are also different. However, you cannot force the king to use it, so as not to damage the memory and the motherboard. Remember that if the memory appears: blue screen, crash, restart, alarm sound, please 1. Follow the following methods. If not, it is determined that the memory is not compatible. 1. The memory is not inserted properly, or the gold finger is oxidized. Use an eraser to wipe the memory gold finger and reinsert it, or change the slot; 2. The memory slot is dusty or oxidized. Scrub with a brush and wash with water (washing is not required) 3. The memory is not compatible, try to replace the memory. 4. If the CMOS does not discharge and is restored to factory settings, it may be a normal phenomenon (remove the motherboard battery and put it back again). 5. The motherboard is incompatible with the CPU. Replace the CPU.