At c9tradingshop, the Synology 4GB DDR4 2666 MHz Non-ECC SO-DIMM Memory Module – D4NESO-2666-4G is a cost-effective memory upgrade solution designed for compatible Synology NAS systems. This 4GB DDR4 SO-DIMM module operates at a frequency of 2666 MHz, providing a boost to system performance for smoother operations and more efficient multitasking.

Although this memory module is Non-ECC (Non-Error-Correcting Code), it still delivers reliable and fast performance, ideal for users looking to upgrade their NAS for general storage tasks, file sharing, and everyday business operations.