Synology D4ER03-32G 32GB DDR4 ECC Registered DIMM Memory Module

Running out of memory can cripple your Synology NAS or server, causing sluggish performance and frustrating bottlenecks. The Synology D4ER03-32G 32GB DDR4 ECC Registered DIMM solves this by doubling or quadrupling your system's capacity, ensuring smooth multitasking, faster data access, and rock-solid stability for demanding workloads.

Who is it for

This module is engineered for IT administrators, small businesses, and power users who rely on Synology RackStation or FlashStation systems for virtualization, database hosting, or intensive file sharing. If your NAS struggles with memory-hungry applications or you need to maximize uptime in a 24/7 environment, this upgrade is essential.

Main features

• 32GB DDR4 ECC Registered DIMM (RDIMM) for high-density memory configurations
• Error-Correcting Code (ECC) detects and corrects single-bit errors, preventing data corruption
• Registered buffering reduces electrical load on the memory controller, enabling larger capacities and improved stability
• 2666 MHz speed (PC4-21300) with CL19 latency for responsive performance
• 288-pin DIMM form factor, operating at a low 1.2V for energy efficiency
• Dual Rank (2Rx8) design for balanced performance and compatibility
• Specifically validated for Synology RackStation and FlashStation series

Specifications

• Memory Type: DDR4
• Capacity: 32 GB
• Module Type: ECC Registered DIMM (RDIMM)
• Speed: 2666 MHz
• Data Transfer Rate: PC4-21300
• Pin Count: 288-pin
• Voltage: 1.2 V
• CAS Latency: CL19
• Error Correction: ECC
• Buffering: Registered
• Form Factor: DIMM
• Application: Server, Workstation, NAS
• Rank: Dual Rank (2Rx8)
• Compatibility: Synology RackStation, FlashStation series
• Product Line: Synology Original Memory

Tips

Before purchasing, verify that your specific Synology model supports 32GB RDIMM modules and that you have available DIMM slots. ECC Registered memory is not compatible with systems that require unbuffered or non-ECC memory.