CAS-NASBOX-D4EU01-4G Synology 4GB DDR4 ECC ECC unbuffered DIMM V1.0 RAM module

Synology 4GB DDR4 ECC ECC unbuffered DIMM V1.0 RAM module

Short Description

Synology 4GB DDR4 ECC ECC unbuffered DIMM V1.0 RAM module, Compatible with --> 21 Series : RS2821rp+ / RS2421rp+ / RS2421+ NAS uniys

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Long Description

The specifications displayed below are for the entire series of products and may not apply to this product or model, please refer to the above description for the correct details of this model.

Overview Summary:

Upgrade your Synology NAS with this reliable 4GB DDR4 ECC unbuffered RAM module, engineered for seamless compatibility with RS2421+, RS2421RP+, and RS2821RP+ systems. Designed to enhance system stability and data integrity, ECC technology helps detect and correct memory errors, making it ideal for business-critical storage environments.

Whether you're expanding your NAS capabilities or improving multitasking performance, this Synology-certified memory module ensures smooth operation and long-term reliability. Shop now and give your NAS the performance boost it needs for demanding workloads.

Performance tier: Entry-level enterprise reliability

Uses: NAS memory upgrade, data storage systems, server performance improvement, business file management, multitasking enhancement

Overview:

Reliable 4GB DDR4 ECC Memory for Synology NAS Systems
The Synology 4GB DDR4 ECC unbuffered DIMM is designed to provide stable and efficient performance for compatible NAS environments. Built with error correction capability, it helps maintain data accuracy while supporting smooth system operations. This module is well suited for users looking to maintain consistent performance in business or professional storage setups without overextending system resources.

Description:

This 4GB DDR4 ECC memory module delivers dependable performance for Synology NAS units by reducing the risk of data corruption through built-in error correction. It supports improved system responsiveness during everyday tasks such as file sharing, backups, and light virtualization. Designed for compatibility and stability, it is an effective solution for maintaining reliable NAS performance in professional environments.

Features:

Technical Summary and Key Details
This module is engineered for systems that require consistent uptime and data protection. Its ECC functionality plays a critical role in preventing memory-related errors that could impact operations.

Important details include:

Memory type: DDR4 ECC unbuffered DIMM
Capacity: 4GB
EAN: 4711174724048
Form factor: UDIMM
Part number: CAS-NASBOX-D4EU01-4G

Compatibility with Synology NAS Models
This memory module is validated for select Synology 21 series rackmount systems, ensuring seamless integration and reliable operation within supported environments.

Supported models include:

RS2821RP+
RS2421RP+
RS2421+

When installed in compatible systems, it helps maintain stable performance for essential NAS functions such as file access, backup processes, and multi-user environments.

Practical Upgrade for Stable NAS Operation
For users running workloads that demand reliability over raw capacity, this 4GB ECC module provides a balanced upgrade path. It is particularly useful in environments where data integrity is critical, offering peace of mind through consistent error correction and dependable system behavior.

The CAS-NASBOX-D4EU01-4G module integrates easily into supported devices, making it a straightforward choice for maintaining or restoring optimal NAS performance.

© Respective owners and brand holders. © 2026 Laptop Direct CC. The contents has been generated by Laptop Direct CC (https://www.laptopdirect.co.za). All products are sourced locally in South Africa and the warranty is that of the local supplier only. E&OE.

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