Synology D4ES04-4G 4GB DDR4 ECC unbuffered SODIMM memory module for compatible NAS systems

Synology D4ES04-4G 4GB DDR4 ECC SODIMM

Name: Synology D4ES04-4G 4GB DDR4 ECC SODIMM
Brand: Synology
SKU: D4ES04-4G
Price: 405.62 USD
Availability: InStock

Synology|

MPN: D4ES04-4G

UPC: 846504006441

In Stock

$405.62

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Key Features

4GB DDR4 memory module
ECC unbuffered SODIMM form factor
Synology-qualified NAS memory
Designed for supported Synology systems
Single-module capacity upgrade
Suitable for light-duty expansion

When a NAS needs a modest memory increase, the right module matters more than raw capacity alone. The Synology D4ES04-4G provides 4GB of DDR4 ECC unbuffered SODIMM memory for supported systems that need a controlled upgrade path with predictable behavior. ECC support adds a layer of protection against common memory errors, which is important in storage appliances expected to run continuously. The unbuffered SODIMM design aligns with compatible Synology platforms that depend on qualified memory for supportability and stable operation. This module is well suited to environments where a small increase in memory can improve service responsiveness without overcommitting budget or capacity. It is a focused upgrade for administrators who want to keep a deployment within validated hardware boundaries while addressing light multitasking, background services, or modest cache needs. For procurement teams, it offers a lower-cost memory step that still respects the requirements of enterprise storage hardware.

Ideal For

Expand memory in a Synology NAS used for small office file sharing
Support light backup, indexing, or replication workloads
Upgrade a compatible NAS without moving to a larger memory tier
Maintain validated hardware in a cost-conscious storage refresh

Why This Product

14 GB capacity for modest expansion needs
2ECC support for improved memory error handling
3Unbuffered SODIMM design for compatible Synology NAS systems
4Lower-capacity option for budget-conscious upgrades

Design

Form Factor

SODIMM

Memory

Buffered	Unbuffered
Ecc Support	ECC
Memory Type	DDR4
Module Type	SODIMM
Memory Capacity	4 GB

General

Mpn	D4ES04-4G
Product Name	4GB DDR4 RAM Module - ECC Unbuffered SODIMM

Interface

Host Interface

Memory module

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Frequently Asked Questions

What systems is the D4ES04-4G designed for?▾

It is intended for supported Synology NAS systems that require DDR4 ECC unbuffered SODIMM memory. Confirm compatibility with the exact model before ordering.

Why is ECC important in a NAS?▾

ECC helps detect and correct common memory errors, supporting stability in always-on storage environments.

Is this module suitable for desktop PCs?▾

No. It is designed for compatible Synology NAS platforms, not general-purpose desktop systems.

When does a 4GB upgrade make sense?▾

It makes sense when you need a modest memory increase for light multitasking, background services, or small-scale storage workloads.