Synology D4NE-2666-4G 4GB DDR4-2666 RAM
Upgrade your Synology RackStation NAS with the D4NE‑2666‑4G non‑ECC DDR4 2666 MHz 4 GB memory module—officially tested, easy to install, and backed by Synology’s reliability.
Product Overview
Synology D4NE‑2666‑4G is a 4 GB non-ECC DDR4‑2666 MHz unbuffered DIMM, designed and tested for Synology RackStation models like RS2418 +, RS2418 RP+, and RS2818 RP+ running DSM 6.2.2 or newer .
This module ensures stable performance and seamless integration with your NAS’s firmware and hardware architecture.
Key Features
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4 GB DDR4‑2666 MHz (PC4‑21300) standard DDR4 speed
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Non-ECC UDIMM, 288‑pin, 1.2 V unbuffered DIMM—suitable for supported RackStation models
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Synology-certified, guaranteeing compatibility and eliminating boot or stability issues often seen with third-party RAM
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3-year warranty, with Synology support honored only when genuine modules are used
Why Choose This Module?
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Guaranteed hardware compatibility with models RS2418+, RS2418RP+, RS2818RP+ running DSM 6.2.2+
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Seamless system stability—no unexpected crashes or firmware mismatches
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Optimized firmware integration, ensuring DSM recognizes the upgrade without manual configuration
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NAS-ready performance, ideal for moderate workloads, Plex streaming, and multi-tasking environments
Technical Specifications
| Specification | Detail |
|---|---|
| Capacity | 4 GB |
| Speed | DDR4‑2666 MHz (PC4‑21300) |
| Form Factor | 288‑pin UDIMM |
| ECC | Non‑ECC |
| Voltage | 1.2 V |
| Warranty | 3 years (covered by Synology) |
| Tested NAS Models | RS2418+, RS2418RP+, RS2818RP+ |
FAQs
Q1: Is this module compatible with FlashStation models?
No. It’s designed strictly for the specified RackStation units (RS2418+/RP+, RS2818RP+) .
Q2: Can I mix it with other RAM brands?
It’s best used alone or in matched pairs of the same module. Mixing unsupported RAM may lead to boot issues .
Q3: Will this void my NAS warranty?
No—as long as you’re using a Synology-certified module, your warranty remains intact .
Q4: Does it matter that it’s Non-ECC?
For the compatible RackStation models, non‑ECC is supported—these systems don’t require error-correcting RAM .
Q5: How much of a performance boost will I see?
Adding memory enhances multitasking, improves app responsiveness, and enhances performance for services like Plex, backups, and container workloads.
Q6: How do I install it?
Power off the NAS, insert the module into the available DIMM socket, then power on. DSM will automatically detect and utilize the new RAM.
