Features: 1.Increase Memory Capacity: Increase the speed of the computer and bring higher efficiency to your work and life. 2.Stable Performance: Excellent quality chips and memory particles are used to bring strong and stable performance. 3. Circuit module board is corrosion resistant, wear resistant, high temperature resistant, and fast heat dissipation. 4.Compatibility: The product is fully compatible with use, durable, easy to carry, suitable for desktop computers, etc. 5.High Efficiency: Whether it is playing games or working, it can provide quick response time and smoother operation efficiency. specification:Item Type: Desktop Memory Module Model: DDR3 Colour: Black Type: Electronic Parts Function: Store Data Scope of Application: For Computer Compatibility: Fully Compatible Memory Voltage: 1.5V Number of Stitches: 240 Stitches Memory Frequency: 1600MHz/1333MHz PackageList:1 x DesktopMemoryModule(Random Color) NoteThe memory is divided into memory card, DDR, 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 "Max Bandwidth" column of the "SPD" option, you will see "PCxx00", as follows: PC 2100 is DDR 266 memory PC 2700 is DDR 333 memory PC 3200 is DDR 400 memory PC2 4200 is DDR2 533 memory PC2 4300 is DDR2 533 memory PC2 5300 is DDR2 667 memory PC2 6400 is DDR2 800 memory PC3 8500 is DDR3 1066 memory PC3 10700 is DDR3 1333 memory PC3 12800 is DDR3 1600 memory PC4 17000 is DDR4 2133 memory PC4 19200 is DDR4 2400 memory PC4 2666V is DDR4 2666 memory memory is DDR, DDR2, DDR3, DDR4 each other It is not universal, and the sockets are not the same, let alone insert it forcibly, so as not to damage the memory and motherboard, remember.