---
product_id: 391379903
title: "Timetec DDR4-2666 16GB Replacement for Synology D4ECSO-2666-16G DDR4 ECC Unbuffered SODIMM 2666MHz PC4-21300 260 Pin 1.2V CL19 Dual Rank 2Rx8 Memory RAM Upgrade (D4ECSO-2666-16G_TT)"
brand: "timetec"
price: "16969 kr"
currency: ISK
in_stock: true
reviews_count: 6
url: https://www.desertcart.is/products/391379903-timetec-ddr4-2666-16gb-replacement-for-synology-d4ecso-2666-16g
store_origin: IS
region: Iceland
---

# 2666MHz Speed 16GB Capacity ECC Protection Timetec DDR4-2666 16GB Replacement for Synology D4ECSO-2666-16G DDR4 ECC Unbuffered SODIMM 2666MHz PC4-21300 260 Pin 1.2V CL19 Dual Rank 2Rx8 Memory RAM Upgrade (D4ECSO-2666-16G_TT)

**Brand:** timetec
**Price:** 16969 kr
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Performance with Timetec RAM!

## Quick Answers

- **What is this?** Timetec DDR4-2666 16GB Replacement for Synology D4ECSO-2666-16G DDR4 ECC Unbuffered SODIMM 2666MHz PC4-21300 260 Pin 1.2V CL19 Dual Rank 2Rx8 Memory RAM Upgrade (D4ECSO-2666-16G_TT) by timetec
- **How much does it cost?** 16969 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/391379903-timetec-ddr4-2666-16gb-replacement-for-synology-d4ecso-2666-16g)

## Best For

- timetec enthusiasts

## Why This Product

- Trusted timetec brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rock-Solid Reliability:** ECC technology ensures data integrity, perfect for mission-critical applications.
- • **Unleash Your Potential:** Upgrade to lightning-fast 2666MHz performance for seamless multitasking.
- • **Effortless Installation:** SODIMM form factor makes upgrading a breeze—no tech wizardry required!
- • **Future-Proof Your Setup:** 16GB capacity allows you to tackle demanding workloads with ease.
- • **Universal Compatibility:** Designed to work flawlessly with a wide range of Synology models.

## Overview

The Timetec DDR4-2666 16GB RAM is a high-performance memory upgrade designed specifically for Synology systems. With a speed of 2666MHz, ECC unbuffered technology, and a capacity of 16GB, this RAM module ensures reliable performance and data integrity across various compatible Synology models. Its easy installation process makes it an ideal choice for professionals looking to enhance their system's capabilities.

## Description

Timetec DDR4-2666 16GB Replacement for Synology D4ECSO-2666-16G DDR4 ECC Unbuffered SODIMM 2666MHz PC4-21300 260 Pin 1.2V CL19 Dual Rank 2Rx8 Memory RAM Upgrade (D4ECSO-2666-16G_TT)

## Features

- ************************************************************* for Synology D4ECSO-2666-16G DDR4 ECC Unbuffered SODIMM RAM (DDR4 2666MHz PC4-21300 260 Pin Unbuffered ECC 1.2V CL19 Dual Rank 2Rx8 based 1024x8)
- Compatible with 21 series: RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+, DVA3221
- Compatible with 20 series: RS820RP+, RS820+;
- Compatible with 19 series: DS2419+, DS2419+II, DS1819+, DVA3219;
- Compatible with 18 series: DS3018xs, DS1618+;.Compatible with 17 series: DS3617xs, DS3617xsII;.Compatible with FS series: FS1018.NOTE: DO NOT mix ECC and Non-ECC SODIMM RAM together; ************************************************************* ************************************************************* ************************************************************* from Purchase Date and ************************************************************* technical support based on United States

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07W3Q98KC |
| Best Sellers Rank | #110 in Computer Memory |
| Brand | Timetec |
| Computer Memory Type | DDR3 SDRAM |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,233) |
| Date First Available | August 5, 2019 |
| Item Weight | 1.13 ounces |
| Item model number | 7 |
| Manufacturer | Timetec |
| Package Dimensions | 3.43 x 3.39 x 0.28 inches |
| RAM | 16 GB DDR3 |
| Voltage | 1.35 Volts |

## Product Details

- **Brand:** Timetec
- **Computer memory size:** 16 GB
- **RAM memory technology:** DDR4
- **Memory speed:** 2666 MHz
- **Compatible devices:** Server

## Images

![Timetec DDR4-2666 16GB Replacement for Synology D4ECSO-2666-16G DDR4 ECC Unbuffered SODIMM 2666MHz PC4-21300 260 Pin 1.2V CL19 Dual Rank 2Rx8 Memory RAM Upgrade (D4ECSO-2666-16G_TT) - Image 1](https://m.media-amazon.com/images/I/71QrtRZeC+L.jpg)
![Timetec DDR4-2666 16GB Replacement for Synology D4ECSO-2666-16G DDR4 ECC Unbuffered SODIMM 2666MHz PC4-21300 260 Pin 1.2V CL19 Dual Rank 2Rx8 Memory RAM Upgrade (D4ECSO-2666-16G_TT) - Image 2](https://m.media-amazon.com/images/I/717VvIA57eL.jpg)
![Timetec DDR4-2666 16GB Replacement for Synology D4ECSO-2666-16G DDR4 ECC Unbuffered SODIMM 2666MHz PC4-21300 260 Pin 1.2V CL19 Dual Rank 2Rx8 Memory RAM Upgrade (D4ECSO-2666-16G_TT) - Image 3](https://m.media-amazon.com/images/I/81KnBtQQjkL.jpg)
![Timetec DDR4-2666 16GB Replacement for Synology D4ECSO-2666-16G DDR4 ECC Unbuffered SODIMM 2666MHz PC4-21300 260 Pin 1.2V CL19 Dual Rank 2Rx8 Memory RAM Upgrade (D4ECSO-2666-16G_TT) - Image 4](https://m.media-amazon.com/images/I/81obuNUIV8L.jpg)

## Available Options

This product comes in different **Size Name** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    DS1621+ DSM7 prefect with no warning!
  

*by M***. on Reviewed in the United Kingdom on 16 January 2023*

DS1621+ DSM7 prefect with no warning!

### ⭐⭐⭐⭐⭐ 







  
  
    Works great in a Synology DS918+
  

*by T***R on Reviewed in the United States on 25 June 2024*

I wanted to upgrade the ram in my Synology DS 918+ and got this 16gb (8x2) set. It installed in less than a minute and worked great on first power on. So far after a few months I haven’t had any issues at all.

### ⭐⭐⭐⭐⭐ 







  
    Pude usar mas capacidad que la que pemitía el fabricante
  
  

*by R***O on Reviewed in Mexico on 25 October 2023*

Sinology decía q sólo podría usar su memoria de 4 GB, me arriesgué y compre esta memoria de 8 GB, Está funcionando perfectamente

## Frequently Bought Together

- Timetec DDR4-2666 16GB Replacement for Synology D4ECSO-2666-16G DDR4 ECC Unbuffered SODIMM 2666MHz PC4-21300 260 Pin 1.2V CL19 Dual Rank 2Rx8 Memory RAM Upgrade (D4ECSO-2666-16G_TT)
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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-03-11*