Synology D4ES04-4G 4GB DDR4 ECC SODIMM RAM - 4 GB - DDR4 (D4ES04-4G)

Always choose authentic Synology memory modules from authorized local distributors to ensure compatibility and reliable operation. Using non-Synology memory modules for expansion may cause system instability or prevent the device from booting, and can affect warranty coverage.

Advantages

Synology memory modules are tested for compatibility with Synology NAS systems and designed to meet the manufacturer's operational and stability requirements. Purchasing original modules from local distributors helps maintain system performance and preserves Synology technical support and warranty eligibility.

Key specifications

• Compatibility: Designed for Synology devices when purchased as Synology-branded memory
• Reliability: Factory-tested to meet Synology stability standards
• Support: Full technical support and warranty coverage when using authentic Synology memory

How to use

Install Synology memory modules according to the device manual and the distributor's instructions. Before upgrading, power down the unit and follow ESD precautions. After installation, verify that the system recognizes the new memory in the Synology DSM interface or during boot diagnostics.

Recommendations

Select Synology-branded memory from authorized local distributors for optimal compatibility. Avoid third-party modules to prevent instability, boot issues, or loss of warranty and support.