The product is a new sealed OEM Apple Memory Upgrade Kit with a total capacity of 16GB divided into two 8GB modules. Designed for a 2017 27" iMac A1419, this memory upgrade is specifically tailored for Apple products. With a DDR4-2400 type and 260 pins, this memory module ensures reliable performance and compatibility with your device. Made in China, this Apple Memory Module is a high-quality and authentic upgrade option for your computer.