# Memory Module Synology 8GB PC2666 ECC UB D4EU01-8G

**URL:** https://aio.lv/en/product--ic-intracom-d4eu01-8g--11498335
**Data updated:** 2026-02-15 12:41 (EET)
**Category:** Memory (RAM)
**Manufacturer:** ic intracom
**Manufacturer code:** D4EU01-8G
**EAN:** 4711174724420
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Synology 8GB PC2666 ECC memory module is designed for reliable performance in NAS systems. With error-correcting code (ECC) technology, it ensures data integrity and stability. This 8GB DDR4 memory operates at a frequency of 2666 MHz, providing efficient multitasking capabilities for demanding applications. Ideal for enhancing your Synology NAS performance, it supports various workloads and improves overall system responsiveness.

## Long description

The Synology 8GB PC2666 ECC UB D4EU01-8G memory module is a DDR4 single-rank DIMM engineered for use in NAS environments where data integrity and stability are priorities. Operating at 2666 MHz and featuring ECC (error-correcting code) technology, this 8GB module helps maintain reliable system behavior under continuous loads and multitasking conditions. It is intended as a compatible upgrade or replacement for Synology systems that support 8GB DDR4 ECC unbuffered memory and can contribute to improved responsiveness for storage services and virtualized workloads.
Advantages
ECC technology detects and corrects single-bit memory errors, reducing the risk of silent data corruption and improving uptime in storage servers. The 2666 MHz DDR4 speed balances performance and compatibility for a wide range of NAS models. As an 8GB module, it provides a modest capacity increase that can enable smoother operation of multiple simultaneous services such as file sharing, backups, and light virtualization without requiring major hardware changes.
Suitable for
Upgrading Synology NAS systems that support DDR4 ECC unbuffered memory
Small office and home NAS handling file sharing and backups
Systems running lightweight virtual machines or containerized applications
Environments requiring improved data integrity and system stability
Key specifications
Memory type: DDR4 ECC unbuffered
Capacity: 8 GB
Frequency: 2666 MHz (PC2666)
Form factor: DIMM (standard module for compatible NAS/mainboard slots)
Error correction: Single-bit ECC capability
How to use
Install the module into a compatible Synology NAS or other supported motherboard by powering off the device, opening the chassis, and seating the DIMM into an empty memory slot until the retention clips click into place. After installation, power on the system and verify memory detection in the NAS control panel or BIOS/UEFI. For best results, consult your Synology model documentation to confirm supported memory configurations and maximum supported capacity before adding modules.
Usage recommendations
Use this 8GB DDR4 ECC module in matched pairs or in accordance with the vendor’s memory configuration guidelines when applicable. Avoid mixing with non-ECC or incompatible memory types to ensure ECC functionality and system stability. Regularly check firmware and NAS software updates to maintain compatibility and performance.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All ic intracom products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized ic intracom service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty