# Memory module SYNOLOGY D4NS01-4G DDR4 4 GB 260-pin SO-DIMM for NAS/storage servers

**URL:** https://aio.lv/en/product--synology-d4ns01-4g--11507699
**Data updated:** 2026-01-21 11:12 (EET)
**Category:** Memory (RAM)
**Manufacturer:** SYNOLOGY
**Manufacturer code:** D4NS01-4G
**EAN:** 4711174726431
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 243.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 201.23 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--synology-d4ns01-4g--11507699

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

4 GB DDR4 SO-DIMM memory module by SYNOLOGY (model D4NS01-4G) for NAS and storage servers. Unbuffered (non-ECC) 260-pin SO-DIMM in a 1 x 4 GB configuration, designed to expand internal system memory for improved multitasking and storage performance. Suitable for compatible Synology systems and other devices that accept DDR4 260-pin SO-DIMM modules.

## Long description

The Synology D4NS01-4G is a 4GB DDR4 memory module in a 260-pin SO-DIMM form factor designed for Synology NAS and storage servers. It provides a factory-tested, compatible option for memory expansion to support data-intensive applications and improve multitasking performance on supported Synology systems.
Advantages
This Synology DDR4 memory module is designed and validated for compatibility with Synology devices, reducing the risk of system instability or boot failures associated with non‑authorized modules. The 4GB capacity in a compact SO‑DIMM format offers a balance between increased working memory and space-constrained server designs, while factory support ensures predictable behavior and access to Synology technical assistance when installed as recommended.
Suitable for
 Memory expansion in Synology NAS and storage servers that accept 260-pin SO‑DIMM modules
 Small form‑factor servers and compact systems requiring DDR4 SO‑DIMM
 Light to moderate data‑intensive tasks such as file sharing, backups, and media streaming on supported Synology models
Key specifications
 Brand: SYNOLOGY
 Model/MPN: D4NS01-4G
 Capacity: 4 GB
 Memory type: DDR4
 Form factor: 260-pin SO‑DIMM
 EAN: 4711174726431
How to use
Power down the Synology device and disconnect it from power before installing the module. Open the access panel according to the device manual, locate the SO‑DIMM slot, and insert the module at the correct angle until the retention clips engage. Reassemble the unit, reconnect power, and start the system. Verify that the new memory is recognized in the Synology DSM or device BIOS/firmware interface.
Usage recommendations
Always use authentic Synology memory modules from authorized local distributors for optimum compatibility and reliability. Installing non‑Synology memory modules may cause system instability or boot failures and can affect warranty coverage and technical support from Synology.

## Specifications

### Features

| Feature | Value |
|---|---|
| Internal memory | 4 GB |
| Internal memory type | DDR4 |
| Memory form factor | 260-pin SO-DIMM |
| ECC | No |
| Component for | NAS/storage server |
| Memory layout (modules x size) | 1 x 4 |
| Compatible products | 25 series:DS425+, DS225+ |
| Backlight | No |
| Buffered memory type | Unregistered (unbuffered) |

## FAQ

### How much does the SYNOLOGY D4NS01-4G DDR4 4 GB SO-DIMM memory module cost, and is it available for purchase?

The price is 243.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 223 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 06.07.2026 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 D4NS01-4G DDR4 4 GB SO-DIMM memory module 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

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