The Samsung 16GB PC4-25600 (DDR4-3200) SO-DIMM Memory module is a high-quality memory upgrade for computers and laptops. With a total capacity of 16GB spread across one module, this DDR4 SDRAM memory offers fast bus speed of PC4-25600 (DDR4-3200) for reliable performance. The SO-DIMM form factor makes it easy to install in various devices, while the 260 pins ensure secure connection. Ideal for boosting the speed and efficiency of your system, this Samsung memory module is a dependable choice for enhancing your computing experience. Total of 4 sticks available. All 4 fully functional and tested.