Synology DDR4 UDIMM Memory Module

Reliable Memory Upgrade for Synology RackStation and Enterprise Systems

Designed for consistent performance and full system compatibility, these DDR4 UDIMM memory modules provide a validated upgrade path for Synology NAS deployments. Synology DDR4 UDIMM Memory Modules ensure stable operation, optimized performance, and long-term reliability across enterprise and rackmount systems.

Highlights

Synology-Certified Compatibility

• Fully validated for supported Synology NAS models
• Ensures stable system operation and avoids boot issues
• Maintains full warranty and technical support eligibility

ECC and Non-ECC Memory Options

• Available in ECC and non-ECC configurations
• ECC enhances data integrity for critical workloads
• Suitable for enterprise and high-availability environments

Flexible Capacity and Deployment

• Available in 4 GB, 8 GB, and 16 GB options
• Supports scalable memory upgrades for growing workloads
• Designed for virtualization, backup, and business applications

Enterprise Reliability and Support

• Backed by Synology warranty up to 5 years
• Engineered for continuous operation in NAS environments
• Validated for long-term system stability

Key Features

Synology DDR4 UDIMM Memory Module

• DDR4 unbuffered DIMM for Synology NAS systems
• Available in ECC and non-ECC variants
• Designed for compatibility across RS, SA, UC, and FS series
• Supports enterprise rackmount and storage systems

Model Variants and Compatible Systems

• D4NE-2666-4G 4 GB non-ECC
○ RS Series: RS2818RP+, RS2418RP+, RS2418+
○ Minimum DSM requirement: 6.2.2

• D4EU01-4G 4 GB ECC
○ RS Series: RS2821RP+, RS2421RP+, RS2421+

• D4EU02-8G 8 GB ECC
○ FS Series: FS2500
○ RS Series: RS2825RP+, RS2423RP+II, RS2423RP+, RS2423+

• D4EC-2666-8G 8 GB ECC
○ SA Series: SA3400D, SA3200D
○ UC Series: UC3400, UC3200
○ RS Series: RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+
○ RS Series: RS1619xs+, RS3618xs
○ RS Series: RS4017xs+, RS3617xs+, RS3617RPxs

• D4EU02-16G 16 GB ECC
○ FS Series: FS2500
○ RS Series: RS2825RP+, RS2423RP+II, RS2423RP+, RS2423+

• D4EC-2666-16G 16 GB ECC
○ SA Series: SA3400D, SA3200D
○ UC Series: UC3400, UC3200
○ RS Series: RS4021xs+, RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+
○ RS Series: RS1619xs+, RS3618xs, RS2818RP+, RS2418RP+, RS2418+
○ RS Series: RS4017xs+, RS3617xs+, RS3617RPxs
○ DSM requirement for RS4017xs+: version 6.2.2-24922-6 or above

Consistent Multi-Module Configuration

• All modules must be identical in model and specification for multi-module setups
• Ensures optimal performance and system stability
• Follow Synology product manuals for recommended configurations

Deployment and Compatibility Guidance

• Refer to Synology compatibility list for full validation
• Availability may vary by region
• Designed for seamless integration within Synology ecosystem

Summary / Conclusion

The Synology DDR4 UDIMM Memory Module provides a reliable and fully validated upgrade solution for rackmount and enterprise NAS systems. With ECC protection, flexible capacity options, and clearly defined compatibility across RS, SA, UC, and FS series, it ensures stable and supported memory expansion for business-critical environments.

Synology DDR4 UDIMM Memory Module

The Synology DDR4 UDIMM Memory Module is a server-grade unbuffered DIMM designed for Synology rackmount and enterprise NAS systems. It delivers stable performance, ECC reliability options, and validated compatibility for business-critical storage, virtualization, and data processing environments.

Product Specifications