# Memory module SYNOLOGY D4ES04-4G DDR4 4GB 260-pin SO-DIMM ECC for NAS/storage servers

**URL:** https://aio.lv/en/product--synology-d4es04-4g--11427468
**Data updated:** 2026-01-21 11:10 (EET)
**Category:** Memory (RAM)
**Manufacturer:** SYNOLOGY
**Manufacturer code:** D4ES04-4G
**EAN:** 4711174726448
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 325.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 269.00 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--synology-d4es04-4g--11427468

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

This SYNOLOGY DDR4 memory module (D4ES04-4G) is a 4 GB 260-pin SO-DIMM with ECC and unbuffered (unregistered) design, intended for NAS and storage server use. The module provides error-correcting support for improved data integrity in storage environments and fits compatible SO-DIMM DDR4 slots. Ideal for expanding system memory and enhancing stability under continuous server workloads.

## Long description

Always choose authentic Synology memory modules from authorized local distributors to ensure compatibility and reliable operation. Using non-Synology memory modules for expansion may cause system instability or prevent the device from booting, and can affect warranty coverage.
Advantages
Synology memory modules are tested for compatibility with Synology NAS systems and designed to meet the manufacturer's operational and stability requirements. Purchasing original modules from local distributors helps maintain system performance and preserves Synology technical support and warranty eligibility.
Key specifications
Compatibility: Designed for Synology devices when purchased as Synology-branded memory
Reliability: Factory-tested to meet Synology stability standards
Support: Full technical support and warranty coverage when using authentic Synology memory
How to use
Install Synology memory modules according to the device manual and the distributor's instructions. Before upgrading, power down the unit and follow ESD precautions. After installation, verify that the system recognizes the new memory in the Synology DSM interface or during boot diagnostics.
Recommendations
Select Synology-branded memory from authorized local distributors for optimal compatibility. Avoid third-party modules to prevent instability, boot issues, or loss of warranty and support.

## Specifications

### Features

| Feature | Value |
|---|---|
| Internal memory | 4 GB |
| Internal memory type | DDR4 |
| Memory form factor | 260-pin SO-DIMM |
| ECC | Yes |
| Component for | NAS/storage server |
| Memory layout (modules x size) | 1 x 4 |
| Compatible products | 25 series:DS925+ |
| Backlight | No |
| Buffered memory type | Unregistered (unbuffered) |

## FAQ

### How much does the SYNOLOGY D4ES04-4G DDR4 4GB SO-DIMM ECC memory cost, and is it available for purchase?

The price is 325.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 155 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 09.07.2026 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 SYNOLOGY D4ES04-4G DDR4 4GB SO-DIMM ECC memory be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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. More information about warranty service: https://aio.lv/en/warranty

### 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, memory form factor, 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.

## Image

https://aio.lv/img/cache/product/11427468/66174270_large.webp