The Silicon Power SP016GXLZU320BSAJ7 16GB RAM DDR4 3200MHz Memory Kit includes two 8GB modules of DDR4 memory in a single memory stick, with a clock speed of 3200MHz. This memory kit is designed for high performance and capacity, ideal for demanding computing tasks such as gaming, multimedia editing, and multitasking. The memory kit is backed by a lifetime warranty from the manufacturer, Silicon Power, ensuring reliability and support for your computing needs. With its ECC memory features and 288 pins, this memory kit is a dependable choice for enhancing your computer's speed and efficiency.This is used, but fully functioning.