1Applicable to DDR4 PC4-17000 desktop computer, compatible with for Intel / AMD motherboards. 2uilt-in high quality chip for stable performance and high speed operation. 3The high memory speed of 2133MHz 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. 5High-quality circuit module board, effectively avoiding corrosion and wear, durable and easy to carry. Features: 1. Applicable to DDR4 PC4-17000 desktop computer, compatible with for Intel / AMD motherboards. 2. Built-in high quality chip for stable performance and high speed operation. 3. The high memory speed of 2133MHz improves 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 avoiding corrosion and wear, durable and easy to carry. Specification: Model: DDR4 Memory frequency: 2133MHZ Memory capacity: 4G, 8G, 16G (optional) Compatible: Fully compatible (for intel / AMD) Bandwidth: PC4-17000 Voltage: 1.2V Pin number: 288pin Size: 13.3 * 3.1 * 0.3 cm / 5.2 * 1.2 * 0.1in Weight: approx. 25.6g Package list: 1 * Memory Module Note: Memory includes SD, DDR, DDR2, DDR3 models, please refer to the following list, know what memory is installed on your computer, what memory you want to buy. If you don't know which memory is right for your computer, use a software test to see what memory your computer needs. (In the Baidu search bar, enter: "CPU-Z download" search for a CPU-Z software download, decompress), after running the software, look at the "maximum bandwidth" column of the "SPD" option, 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 memory PC4300 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 is DDR3 1600 memory Memory DDR, DDR2, DDR3 are not common to each other, slot sockets are not the same, but can't force the king to harden the bow, so as not to damage the memory and motherboard, remember If the memory appears: blue screen, crash, restart, alarm sounds, please follow the following methods one by one, if not, it is determined that it is not compatible. 1. The memory is not inserted, or the gold finger is oxidized. Wipe the memory gold finger with an eraser and reinsert it, or change the slot; 2. The memory slot is dusty or oxidized. Wash it with a brush and wash the water (there is no need to wash the water) 3. Memory is not compatible, try to change the memory. 4. CMOS does not discharge and restore the factory settings, maybe it is normal (the motherboard battery is taken down, and then installed back). 5. The motherboard is not compatible with the CPU, and the CPU is replaced.