Enhance your Synology RackStation with reliable, high-performance memory. This Synology DDR4 8 GB ECC Unbuffered DIMM delivers stable, scalable performance for demanding NAS workloads, including file sharing, virtualization, and media transcoding on compatible systems.

• Type: DDR4 ECC Unbuffered DIMM
• Capacity: 8 GB
• Pin count: 288-PIN
• Speed: 1333 MHz / PC4-21300
• Voltage: 1.2 V
• Form factor: DIMM
• Compatibility: RackStation RS1619xs+, RS3617RPxs, RS3617xs+, RS3618XS, RS4017XS+ (D4EC-2666-8G)

ECC (Error-Correcting Code) memory detects and corrects single-bit memory errors, helping protect your data and maintain system stability during intensive NAS operations.

Designed for plug‑in simplicity and compatibility with supported Synology RackStation models, this memory module delivers a straightforward upgrade path to improve multitasking, reliability, and overall NAS performance.