Synology - modulo DDR4 - 4 GB - DIMM 288-PIN - ECC unbuffered

The Synology DDR4 4 GB ECC memory module is a single 4 GB DIMM designed to provide stable, error-correcting memory for compatible Synology systems. Built to the DDR4 standard, this module supports ECC functionality to detect and correct single-bit memory errors, helping maintain data integrity in always-on network-attached storage and small server environments. The compact 1 x 4 GB configuration is suited for targeted upgrades where additional memory capacity and reliability are required without replacing existing modules.

Advantages

This memory module combines DDR4 performance with ECC error correction to reduce the likelihood of data corruption and system crashes. Its small 4 GB capacity allows cost-effective incremental upgrades, while compatibility with supported Synology systems ensures straightforward installation and operation. The module is optimized for sustained, stable operation in 24/7 NAS and server workloads.

Suitable for

• Expanding memory in compatible Synology NAS devices
• Improving system stability for file sharing and backup services
• Supporting light virtualization and container workloads
• Enhancing multitasking performance in small office servers

Key specifications

• Memory capacity: 4 GB
• Memory type: DDR4
• Error correction: ECC (single-bit error detection and correction)
• Module configuration: single module (1 x 4 GB)
• Form factor: standard DIMM for compatible server/NAS slots

How to use

Power down the target Synology device and disconnect from mains power before installing the memory module. Open the device's memory compartment according to the manufacturer's service instructions, align the module with the slot notch, and press firmly until the retention clips engage. Close the compartment, reconnect power, and verify that the system recognizes the added memory in the device's administration interface. Follow Synology's compatibility list and installation guidelines to ensure correct operation.

Recommendations

Install this 4 GB DDR4 ECC module only in systems listed as compatible by the device manufacturer. For systems requiring multiple modules, use matching memory specifications and populate slots according to the manufacturer's guidelines. Regularly update system firmware to maintain compatibility and stability.