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Synology RS3618xs Review: Pros, Cons, and Performance

  • NAS
  • 13 min read
synology rs3618xs in depth evaluation

After reviewing the Synology RS3618xs, I found it to be a powerful network-attached storage solution with impressive data transfer speeds of up to 3,900 MB/s and the ability to scale up to 36 drives. The quad-core CPU, AES-NI encryption, and Synology Virtual Machine Manager enhance its performance and virtualization capabilities. With advanced network optimization features and snapshot replication for data protection, it's a reliable option for high-speed data processing. The optional 10GbE/40GbE NIC options offer flexibility in network connectivity. The RS3618xs caters to diverse storage needs and provides a solid foundation for efficient data management and protection.

Key Takeaways

  • High-speed data transfer up to 3,900 MB/s.
  • Scalability up to 36 drives for diverse storage needs.
  • Enhanced virtual machine capabilities with Synology Virtual Machine Manager.
  • Snapshot replication feature for robust data protection.
  • Optional 10GbE/40GbE NIC options for network optimization.

Analyzing the Synology RS3618xs‘ product specifications reveals a robust network-attached storage (NAS) solution with cutting-edge features and high-performance capabilities. When delving into drive compatibility, the RS3618xs offers scalability up to 36 drives, providing ample storage for diverse needs. This flexibility caters to users requiring extensive capacity for data-intensive applications or large-scale storage requirements. However, some users have expressed concerns about limited drive support and have requested broader compatibility to accommodate a wider range of drive options. Moving on to customer support, Synology has garnered positive feedback for its responsive and helpful assistance, aiding users in setting up, configuring, and troubleshooting their NAS systems effectively. This commendable customer service adds value to the overall user experience with the RS3618xs.

Features and Benefits

The Synology RS3618xs offers impressive high-speed data transfer capabilities, making it an ideal choice for users requiring quick access to large files. Additionally, the enhanced virtual machine capabilities provide flexibility for various applications and workloads. The optional 10GbE/40GbE NIC options further boost networking performance, while the snapshot replication feature guarantees data protection and recovery efficiency.

High-Speed Data Transfer Capabilities

With its quad-core CPU featuring AES-NI encryption, the Synology RS3618xs offers ultra-high performance for high-speed data transfer capabilities. This NAS device boasts impressive data transfer speeds, reaching up to 3,900 MB/s for sequential reading and 143,500 iSCSI random read IOPS. Such rapid data transfer rates are essential for businesses dealing with large datasets or demanding applications. Additionally, the RS3618xs provides network optimization features that further enhance its data transfer efficiency. By prioritizing and managing network traffic effectively, this system guarantees smooth and uninterrupted data flow, optimizing overall performance. These attributes make the Synology RS3618xs a reliable solution for organizations requiring high-speed data processing and transfer capabilities.

Enhanced Virtual Machine Capabilities

When exploring the enhanced virtual machine capabilities of the Synology RS3618xs, users can leverage advanced features for seamless and efficient virtualization needs. The improved efficiency in virtualization benefits from the quad-core CPU with AES-NI encryption, providing enhanced processing power for running multiple virtual machines concurrently. With the ability to scale up to 36 drives, users can allocate resources efficiently, ensuring peak performance for their virtualized environments. The 8GB ECC UDIMM, expandable up to , further enhances the system's ability to handle demanding virtual workloads with stability. Additionally, the Synology Virtual Machine Manager offers a user-friendly interface for managing virtual machines effectively, making it a valuable tool for businesses seeking reliable virtualization solutions.

0GbE/40GbE NIC Options

Considering the diverse networking needs of users, examining the GbE/40GbE NIC options in the Synology RS3618xs reveals a spectrum of features and benefits customized to improve connectivity and performance. The network connectivity options offer users flexibility in choosing the level of speed required for their specific tasks. The NIC compatibility guarantees seamless integration with existing network setups, enhancing overall performance. Whether opting for GbE or 40GbE, users can experience enhanced data transfer speeds and reduced latency, optimizing workflow efficiency. These options cater to a range of networking demands, from regular office use to high-demand data centers, providing scalability and reliability in handling data-intensive operations. The inclusion of these NIC choices underscores Synology's commitment to offering adaptable solutions for varying network requirements.

Snapshot Replication Feature

The Snapshot Replication feature in the Synology RS3618xs NAS offers versatile data protection and recovery capabilities for users seeking enhanced backup solutions. With this feature, users can create point-in-time recovery points of shared folders and iSCSI LUNs, allowing for efficient data backup and restoration. By utilizing snapshot replication, businesses can implement robust data protection strategies to safeguard against data loss due to accidental deletions, ransomware attacks, or other unforeseen events. This feature enhances overall system reliability by providing a quick and easy way to revert to previous data states without significant downtime. Additionally, snapshot replication benefits include reduced storage space requirements through incremental backups and improved data integrity by ensuring data consistency during backup processes.

Product Quality

When evaluating the product quality of the Synology RS3618xs, it is evident that the device offers robust performance and versatility for a wide range of network storage needs. Concerning product reliability, the RS3618xs stands out for its stable operation and consistent data management capabilities. Users have reported positive experiences with data storage and retrieval, highlighting the device's reliability in handling critical information. The user experience is further enhanced by the intuitive interface and seamless integration of Synology software, contributing to a smooth operational workflow. While concerns have been raised about SHR support and drive compatibility, overall, the RS3618xs delivers a high level of product quality, ensuring a dependable solution for various network storage requirements.

What It’s Used For

The Synology RS3618xs is primarily utilized for applications and backup tasks, offering users a reliable platform for data management. It excels in providing efficient performance and robust tools for managing large volumes of data effectively. Users appreciate its high-speed capabilities and the seamless integration of backup solutions for both personal and business use.

Applications and Backup

For applications and backup purposes, the Synology RS3618xs excels in providing reliable data management solutions with its powerful and versatile software features. The backup solutions offered by this NAS device are robust, ensuring data integrity and security. With its quad-core CPU and AES-NI encryption engine, the RS3618xs delivers exceptional application performance, catering to the demands of business environments. The optional 10GbE/40GbE NICs enhance data transfer speeds, making it ideal for handling large-scale backups efficiently. Additionally, the Synology Virtual Machine Manager expands its capabilities, allowing users to run multiple virtual machines for various applications. Overall, the RS3618xs is a dependable choice for businesses seeking high-performance backup solutions and efficient application management.

Data Management Tools

Moving from discussing Applications and Backup capabilities of the Synology RS3618xs, the focus now shifts to its utilization in data management tools. When it comes to data management solutions, the RS3618xs offers a wide range of features that cater to various backup strategies. With its scalable design allowing for up to 36 drives, this NAS provides ample storage capacity to efficiently manage and organize data. The inclusion of advanced technologies like AES-NI encryption and high-speed performance further enhances the effectiveness of backup processes. Users can leverage the Synology Virtual Machine Manager for seamless virtualization, contributing to extensive data management capabilities. Overall, the RS3618xs excels in supporting diverse backup strategies and ensuring reliable data management solutions.

Performance and Efficiency

Discussing the performance and efficiency of the Synology RS3618xs involves evaluating its utilization in various operational scenarios. The device excels in performance optimization, boasting a quad-core CPU with AES-NI and 8GB DDR4 ECC UDIMM memory (expandable up to 64GB). With ultra-high performance metrics such as 3,900 MB/s sequential reading and 143,500 iSCSI random read IOPS, the RS3618xs is tailored for demanding tasks. Optional 10GbE/40GbE NICs further enhance its capabilities. When it comes to energy efficiency, the unit's design prioritizes power conservation without compromising on performance. This balance ensures that the RS3618xs delivers robust performance while being mindful of energy consumption, making it a suitable choice for businesses seeking both power and efficiency in their storage solutions.

Product Specifications

When considering the product specifications of the Synology RS3618xs, one is struck by the impressive quad-core CPU with AES-NI, 8GB DDR4 ECC UDIMM (expandable to 64GB), and the scalability potential of up to 36 drives. The memory speed of 2133 MHz guarantees swift data processing, while being part of the Synology brand series assures quality and reliability. Below is a table summarizing key technical details:

Technical DetailsSpecifications
Memory Speed2133 MHz

These specifications highlight the robust capabilities of the Synology RS3618xs, making it a compelling choice for those seeking high-performance storage solutions.

Who Needs This

To summarize, when it comes to a high-performance storage solution with robust capabilities, the Synology RS3618xs may be a compelling choice. The target audience for this NAS device includes businesses or individuals requiring a scalable and powerful storage solution for demanding applications such as virtualization, data-intensive tasks, or large-scale file storage. Competitive alternatives like QNAP's TVS-1282T3 or NETGEAR's ReadyNAS 4312X offer similar features but may vary in terms of performance, scalability, and software ecosystem. When compared to these alternatives, the RS3618xs stands out for its impressive performance metrics, expandability up to 36 drives, and the Synology Virtual Machine Manager for running multiple virtual machines. Therefore, those in need of a high-performance, feature-rich storage solution should consider the Synology RS3618xs.


Highlighting the exceptional performance and robust features of the Synology RS3618xs, this NAS device offers a compelling solution for those seeking a high-performance storage solution. When considering the pros of the Synology RS3618xs, several key advantages stand out:

  1. Outstanding Performance: With a quad-core CPU, AES-NI encryption, and ultra-high sequential reading speeds of 3,900 MB/s, the RS3618xs delivers exceptional performance for demanding tasks.
  2. Scalability: The ability to scale up to 36 drives provides ample storage capacity for growing business needs.
  3. Optional 10GbE/40GbE NICs: These optional network interface cards enable high-speed connectivity, ideal for data-intensive operations.
  4. Synology Virtual Machine Manager: The inclusion of this feature allows for efficient virtual machine management, enhancing overall system flexibility and productivity.


Moving onto potential drawbacks, the Synology RS3618xs faces certain limitations and challenges that users have highlighted.

  1. Drive Compatibility: Some users have expressed concerns about limited drive support with this model, which can be restrictive when choosing storage options.
  2. Customer Satisfaction: The issue of broader compatibility has been raised by customers, indicating a desire for more flexibility in choosing compatible drives.
  3. Drive Policies: There are concerns about Synology's drive policies, particularly related to customer choice and the limitations imposed.
  4. User Experience: While Synology generally receives positive feedback for its software and features, the lack of support for certain drive configurations may impact overall customer satisfaction.

What Customers Are Saying

Customers consistently praise the Synology RS3618xs for its ease of installation and intuitive interface. User feedback highlights a positive user experience with data management and warranty. Many users appreciate the performance, Active Backup for Business, and the availability of apps for various purposes. Users have utilized this NAS for backup and business activities, indicating its versatility. However, there are concerns regarding SHR support and drive compatibility. Some criticisms and suggestions include disappointment in limited drive support, requests for broader compatibility, and worries about Synology's drive policies affecting customer choice. Overall, customer feedback emphasizes the product's strong points such as ease of use and functionality while pointing out areas for improvement to enhance the user experience.

Overall Value

Considering the user feedback and technical specifications, the overall value of the Synology RS3618xs NAS lies in its robust performance capabilities and versatile features for data management and business operations. The quad-core CPU with AES-NI encryption engine, combined with the 8GB DDR4 ECC UDIMM (expandable up to 64GB), guarantees efficient data processing and security. Scalability up to 36 drives and ultra-high performance metrics like 3,900 MB/s sequential reading and 143,500 iSCSI random read IOPS enhance its value assessment. Users appreciate the Synology Virtual Machine Manager and optional 10GbE/40GbE NICs for versatile applications. Positive user experiences highlight ease of installation, intuitive interface, and reliable performance for backup and business purposes. However, concerns regarding drive compatibility and SHR support need consideration for an improved overall user experience.

Tips and Tricks For Best Results

To optimize performance and enhance user experience with the Synology RS3618xs NAS, implementing these practical tips and tricks can greatly improve overall results. When encountering issues, troubleshooting tips like checking cable connections, updating firmware, and monitoring system resources can help resolve common problems efficiently. Configuration optimization plays a pivotal role in maximizing the NAS capabilities; setting up RAID levels correctly based on data importance, utilizing SSD caching for improved speed, and allocating resources effectively among applications ensure smooth operation. Regularly updating software and firmware, monitoring system health, and utilizing built-in security features are essential practices to maintain peak performance and data integrity. By following these tips, users can harness the full potential of the Synology RS3618xs NAS.


To conclude, the RS3618xs excels in delivering exceptional speed, expandability, and virtualization capabilities, positioning it as a top contender in the NAS market. Its robust performance capabilities and versatile features make it a compelling choice for users seeking advanced network storage solutions. The RS3618xs achieves ultra-high performance, with impressive sequential reading speeds of 3,900 MB/s and 143,500 iSCSI random read IOPS. Its scalability of up to 36 drives, optional 10GbE/40GbE NICs, and Synology Virtual Machine Manager further enhance its appeal. When compared to other models, the RS3618xs stands out for its advanced features and performance, putting it ahead in the competition, albeit with some limitations in drive support that might impact certain user preferences.

Frequently Asked Questions

Is the Synology RS3618XS Compatible With Third-Party Drives?

Yes, the Synology RS3618xs is compatible with third-party drives. However, for best performance and reliability, Synology recommends using their own drives. Compatibility may vary, impacting system performance and potentially voiding warranty.

Can the RS3618XS Be Used for Multimedia Streaming?

Yes, the RS3618xs can be used for multimedia streaming. With its robust hardware, it offers excellent media server capabilities and smooth streaming performance. It excels in handling multiple streams seamlessly, making it ideal for entertainment needs.

How Does the RS3618XS Handle Data Protection and Redundancy?

When it comes to data integrity, the RS3618xs excels with its robust backup solutions. Its scalability and performance guarantee reliable redundancy. The system's features prioritize data protection, making it a solid choice for safeguarding critical information.

Does the RS3618XS Support Virtualization and Containerization?

Yes, the RS3618xs supports virtualization, allowing for efficient resource allocation and management. Its containerization capabilities enhance flexibility by isolating applications. These features boost productivity and streamline operations, making it a versatile solution for diverse workloads.

What Are the Noise Levels and Power Consumption of the Rs3618xs?

Noise levels on the RS3618xs vary based on activity, averaging around 40-45 decibels. Power consumption is efficient, ranging from 47 to 87 watts. These metrics, combined with performance specs, make this NAS a balanced choice.

Disclosure: As an Amazon Associate, I earn from qualifying purchases.

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