Synology D4ES04 4GB DDR4 ECC Unbuffered SODIMM for Synology Systems

Reliable Performance. Built for Synology Systems.

The Synology D4ES04-4G 4GB DDR4 ECC Unbuffered SODIMM is designed to deliver stable, high-performance memory expansion for compatible Synology NAS devices. Featuring ECC (Error-Correcting Code) technology, it ensures enhanced data integrity and system reliability, making it ideal for business-critical workloads. With seamless compatibility across selected Synology 21, 25 and 26 series models, it provides a hassle-free upgrade experience. Backed by a 5-year warranty, it offers long-term reliability and peace of mind for professional environments.

FEATURES

• High-Performance 4GB DDR4 ECC SODIMM – Reliable memory upgrade for Synology NAS systems
• ECC Data Protection – Detects and corrects errors for improved data integrity
• Unbuffered Design – Optimised for efficient performance in compatible NAS devices
• Synology Certified Compatibility – Designed for seamless integration with supported models
• Enhanced System Stability – Improves reliability during continuous operation
• Improved Multitasking – Smoother performance for multiple users and applications
• Easy Installation – Quick and hassle-free memory upgrade
• 5-Year Warranty – Long-term reliability and peace of mind

APPLIED MODELS

• 26 Series: RS826RP+, RS826+
• 25 Series: DS925+, DS725+
• 21 Series: RS1221RP+, RS1221+, DS1821+, DS1621+