Upgrade your Synology NAS with the 4GB DDR4 ECC Unbuffered SODIMM memory module, model D4ES02-4G. Designed for reliability, this ECC (Error-Correcting Code) RAM ensures data integrity, making it ideal for critical applications. With a compact SODIMM form factor, it seamlessly fits into your device, enhancing performance and multitasking capabilities. Experience faster data processing and improved system stability, perfect for home or small business environments. Boost your NAS's efficiency and enjoy a smoother experience with this essential upgrade!