Synology D4ES01-16G

Overview

The Synology D4ES01-16G is a 16 GB DDR4 SO-DIMM ECC memory module designed to enhance the performance of compatible Synology 22-series NAS systems. By increasing the available RAM, it allows these NAS devices to handle more data caching, which accelerates operations such as large file transfers and database queries. The module’s error-correcting code (ECC) technology continuously monitors and corrects single-bit memory errors, ensuring data integrity and system stability during demanding tasks like backups, virtualization, and multi-user access.

Key features

• 16 GB DDR4 ECC memory that improves multitasking and responsiveness in Synology NAS units
• 260-pin SO-DIMM format tailored for easy installation in Synology 22-series models
• ECC technology that detects and corrects memory errors to prevent data corruption and system crashes
• Official compatibility with DS3622xs+, DS2422+, and other 22-series NAS systems for guaranteed reliability
• Unbuffered single-module design that simplifies upgrading without cluttering the memory bay

Key specs

• Memory capacity: 16 GB
• Memory type: DDR4 SO-DIMM
• Pin count: 260 pins
• Error correction: ECC (error-correcting code)
• Compatibility: Synology 22-series NAS models including DS3622xs+ and DS2422+

Installation and setup

Upgrading your Synology NAS with this memory module is straightforward. Simply power down the device, open the memory bay, and insert the module into the 260-pin slot until it clicks securely. After rebooting, the DiskStation Manager automatically detects the new memory, allowing you to verify the total installed RAM through the Control Panel. This hassle-free process ensures your NAS is ready to handle increased workloads without delay.

Ideal uses and environments

This memory upgrade is well suited for small business file servers, multimedia libraries, and home labs that run Docker containers or virtual machines. It supports environments where data integrity and uptime are critical, such as daily backups and multi-user file sharing. By reducing the risk of memory-related errors, it helps maintain smooth operation and continuous availability for your NAS services.

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Returns are accepted within 30 days of delivery. Items must be unused, in the same condition received, and include all tags, manuals, accessories, and original, unaltered packaging. To start a return, please email us for approval. Items sent back without approval may be refused or returned to the sender. If any item is kept, its value will be deducted from the refund.

Non-returnable items include opened TVs, combos, or monitors 37″ or larger, opened computers or software, electronic downloads, opened consumables (film, paper, bulbs, media, ink), custom or modified computers, special-order or “nonreturnable” items, submerged underwater gear, and opened educational media.

After inspection, refunds are issued to the original payment method. Please allow 5–7 business days for the credit to post. Shipping and handling are nonrefundable. If an item is used, incomplete, or not in its original condition, a 30% restocking fee may apply. Direct exchanges are not offered. To exchange an item, please purchase the replacement separately and return the original for a refund.

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