Memory module Synology 4 GB D4EU01-4G

Name: Memory module Synology DDR4 4 D4EU01-4G
Brand: SYNOLOGY
SKU: 4142576
Price: 84.49 EUR
Availability: InStock

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Memory module Synology DDR4 4 GB 1 x 4 GB ECC

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Price for companies: 69.83€ Price is valid only for legal clients

Short description

The Synology D4EU01-4G is a 4 GB DDR4 ECC memory module designed for reliable performance. With a layout of 1 x 4 GB, it ensures efficient data processing and error correction, making it ideal for server environments. Upgrade your system's memory for enhanced multitasking and stability.

Available at price 84.49 €: 2 pcs.

Total available for order: 5 pcs.

Warranty: 5 Years

SKU: 4142576

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Deliver the order:

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2b. Kengaraga str., Riga, Latvia, LV-1063

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From 4.99 € (Weight: 0.05 kg)

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From 1.99 €

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36 months installment: from 2.35 euros per month

Price for companies: 69.83€ Price is valid only for legal clients

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Product information

Description

The Synology DDR4 4 GB ECC memory module is a single 4 GB DIMM designed to provide stable, error-correcting memory for compatible Synology systems. Built to the DDR4 standard, this module supports ECC functionality to detect and correct single-bit memory errors, helping maintain data integrity in always-on network-attached storage and small server environments. The compact 1 x 4 GB configuration is suited for targeted upgrades where additional memory capacity and reliability are required without replacing existing modules.

Advantages

This memory module combines DDR4 performance with ECC error correction to reduce the likelihood of data corruption and system crashes. Its small 4 GB capacity allows cost-effective incremental upgrades, while compatibility with supported Synology systems ensures straightforward installation and operation. The module is optimized for sustained, stable operation in 24/7 NAS and server workloads.

Suitable for

Expanding memory in compatible Synology NAS devices
Improving system stability for file sharing and backup services
Supporting light virtualization and container workloads
Enhancing multitasking performance in small office servers

Key specifications

Memory capacity: 4 GB
Memory type: DDR4
Error correction: ECC (single-bit error detection and correction)
Module configuration: single module (1 x 4 GB)
Form factor: standard DIMM for compatible server/NAS slots

How to use

Power down the target Synology device and disconnect from mains power before installing the memory module. Open the device's memory compartment according to the manufacturer's service instructions, align the module with the slot notch, and press firmly until the retention clips engage. Close the compartment, reconnect power, and verify that the system recognizes the added memory in the device's administration interface. Follow Synology's compatibility list and installation guidelines to ensure correct operation.

Usage recommendations

Install this 4 GB DDR4 ECC module only in systems listed as compatible by the device manufacturer. For systems requiring multiple modules, use matching memory specifications and populate slots according to the manufacturer's guidelines. Regularly update system firmware to maintain compatibility and stability.

Specifications

Internal memory:: 4 GB
Internal memory type:: DDR4

All features

Features

Internal memory:: 4 GB
Internal memory type:: DDR4
ECC:: Yes
Memory layout (modules x size):: 1 x 4
Compatible products:: 21 series:RS2821RP+, RS2421RP+, RS2421+
Buffered memory type:: Unregistered (unbuffered)

Logistics data

Harmonized System (HS) code:: 84733020

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Warehouse	Stock	Delivery to the store	Store Price
EU85	2	02.07.2026 Best delivery	84.49 €
EU3	1	02.07.2026 Best delivery	Discount -1% 321.99 €
WH354	1	09.07.2026	336.49 €

Available only for legal entities
Warehouse	Stock	Delivery to the store	Store Price
WH332	1	02.07.2026 Best delivery	89.49 €

84.49 €

Stock: 2

Delivery Date: 02.07.2026 Best delivery

Warehouse: EU85

Discount -1%

321.99 €

Stock: 1

Delivery Date: 02.07.2026 Best delivery

Warehouse: EU3

336.49 €

Stock: 1

Delivery Date: 09.07.2026

Warehouse: WH354

Available only for legal entities

89.49 €

Stock: 1

Delivery Date: 02.07.2026 Best delivery

Warehouse: WH332

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Customer questions

FAQ

How much does the Memory module Synology 4 GB D4EU01-4G cost, and is it available for purchase?

The price is 84.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 02.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can Memory module Synology 4 GB D4EU01-4G be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Memory module Synology 4 GB D4EU01-4G online, and the application process is as simple as possible:

Select the product on the website and add it to your cart;
When placing your order, choose the payment method “Installments”;
Fill in the required details for the lending partner;
Receive a decision within a few minutes.

For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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 SYNOLOGY 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 SYNOLOGY 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: internal memory, internal memory type, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

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