Synology DS620slim 6-Bay NAS

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88%
89%
Setup and Installation
94%
Data Transfer Speed
85%
Build Quality
91%
Software & Firmware (DSM)
88%
Storage Flexibility (RAID, SSD support)
87%
4K Video Transcoding
75%
Memory Performance
92%
Noise Levels
90%
User Interface Usability
84%
Reliability & Durability
91%
Compact Design (Size & Fit)
86%
Value for Money
More

Overview

The Synology DS620slim 6-Bay NAS is a compact, versatile network-attached storage solution designed for both home users and small businesses. This NAS device offers ample storage capacity in a small footprint, supporting up to six 2.5″ HDDs or SSDs, making it perfect for those with limited space. With Synology’s powerful DSM software, it ensures seamless file management, backup, and secure data storage. Whether you’re managing essential files, performing regular backups, or streaming media, this device delivers a reliable and user-friendly experience, balancing both performance and storage flexibility in one small package.

Features & Benefits

This NAS solution stands out with dual-channel 4K video transcoding, enabling smooth media streaming across devices without buffering. It also offers impressive RAID support, allowing users to set up a flexible, secure storage environment. With a capacity of up to 108TB per volume, it can handle large data sets efficiently. For smooth performance, it comes with 2GB of RAM, expandable to 6GB, while its built-in snapshot feature provides over 65,000 restore points, enhancing data protection and disaster recovery. Together, these features make it an excellent choice for users who prioritize both speed and reliability.

Best For

The Synology DS620slim 6-Bay NAS is an excellent choice for small businesses and home users who need a dependable, scalable storage solution. It's particularly suited for those who need to store and access large amounts of data securely. Additionally, users seeking a 4K media server for streaming will appreciate its transcoding capabilities. This NAS device is also ideal for individuals who want robust data backup solutions and those looking for a hassle-free user interface. Its compact size means it fits well in tight spaces, making it a versatile option for various environments.

User Feedback

The Synology DS620slim receives high marks for its easy setup and user-friendly DSM interface, which simplifies management tasks for both beginners and experienced users. Many buyers have praised its quiet operation, making it ideal for home or office environments. However, some users note that the 2GB of memory, though sufficient for basic tasks, may limit performance when running multiple demanding applications. Despite this, most feedback highlights the unit’s reliability, with users particularly appreciating its fast data transfer speeds, even under encrypted data conditions.

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Pros

  • Compact design makes it ideal for use in tight spaces.
  • Supports both 2.5″ HDDs and SSDs for flexible storage options.
  • Easy setup process, even for users without technical expertise.
  • DSM software interface is intuitive and user-friendly.
  • 4K video transcoding ensures smooth media streaming.
  • Expandable memory up to 6GB allows for better performance scalability.
  • RAID support and large single volume capacity (up to 108TB) provide reliability for data storage.
  • Quiet operation, making it suitable for home environments.
  • Ideal for small businesses looking for reliable, scalable storage solutions.

Cons

  • Limited 2GB base RAM can be insufficient for multitasking in demanding environments.
  • May not be powerful enough for users who need to handle high data processing tasks.
  • Expandable memory option may not be enough for more advanced users.
  • No built-in drives means extra investment in hard drives.
  • Some users report occasional slowdowns under heavy load or multiple users.
  • Compact size may not provide optimal cooling for prolonged high-performance usage.
  • Lack of built-in redundancy options for those needing enhanced data protection.
  • RAID configurations can be tricky for less experienced users.
  • Not designed for users who require heavy-duty, enterprise-level NAS solutions.

Ratings

After analyzing verified user reviews from multiple countries and platforms, we’ve compiled insights about the Synology DS620slim 6-Bay NAS. Authentic feedback from a diverse group of users reflects both the strengths and limitations of this device. We filtered out spam, bot-generated, duplicated, or exaggerated reviews to ensure these ratings offer an honest and balanced perspective, covering key aspects such as performance, usability, and overall value.

Setup and Installation
89%
Many buyers appreciate how straightforward the setup process is with this NAS device. Synology's DSM software simplifies the installation, even for those without much technical experience. Users also mention that the clear, step-by-step guidance ensures a smooth start-up process in a variety of environments.
A few users reported some initial configuration hiccups, especially with network settings and disk compatibility. These challenges seem to be more noticeable for those who are unfamiliar with network-attached storage solutions, causing some frustration during the first setup.
Data Transfer Speed
94%
The data transfer speed is consistently praised for its high performance, even when using encryption. Many users mention that this device provides fast access to files, making it ideal for tasks like backup and media streaming. The high-speed capabilities are particularly appreciated for business use, where efficiency is key.
Some users have mentioned that performance can drop when handling multiple simultaneous operations, particularly under heavy loads. This might be an issue for environments with demanding, multi-user setups where speed is critical across all tasks.
Build Quality
85%
The compact metal build of this NAS is generally well-received, with users noting that it feels sturdy and durable. The white finish also complements modern setups, offering a clean and professional look. Many also appreciate the device’s ability to maintain its functionality even in tight spaces.
A few users reported concerns about the lack of a fanless design, as the device can get a little warm during long-term usage. While the build quality is good, there were occasional comments on the desire for even better heat dissipation in more demanding environments.
Software & Firmware (DSM)
91%
Synology’s DSM software is one of the standout features of this NAS. Users consistently commend its ease of use, intuitive interface, and wide range of management features. The software offers seamless updates, a variety of apps, and robust data protection options, making it a major plus for both novices and experienced users alike.
While DSM is highly regarded, some users feel that the interface could be further optimized for more advanced configurations. Power users sometimes find that certain advanced features require a steep learning curve, leading to a more complex setup than expected.
Storage Flexibility (RAID, SSD support)
88%
With support for both HDDs and SSDs, users can enjoy great flexibility when configuring storage options. The RAID support is another highly praised feature, offering protection and scalability for growing storage needs. Many buyers also appreciate the ability to expand storage capacity easily as their business or personal data needs increase.
However, some users have expressed concerns about the lack of support for certain advanced RAID configurations, which may limit options for power users. Additionally, the initial setup may feel overwhelming for those not familiar with RAID setups, leading to potential frustration.
4K Video Transcoding
87%
Users who rely on streaming media consistently praise the dual-channel 4K transcoding feature. This device handles high-quality video playback with ease, even over home networks. It allows smooth, lag-free media streaming to compatible devices, making it an ideal solution for home theaters or small businesses requiring multimedia content delivery.
Some users have mentioned that while 4K transcoding works well, there are occasional performance dips when streaming multiple videos simultaneously. This can be a concern for users with high-demand setups or those planning to stream to many devices at once.
Memory Performance
75%
25%
The expandable memory option up to 6GB is appreciated by many users, particularly those who need a bit more processing power for demanding tasks. This added flexibility allows users to scale their device’s performance according to their needs, which is useful for future-proofing the system.
However, some users feel that the base 2GB of memory is a bit limiting, especially for heavier workloads or environments with multiple users. The device may struggle with advanced multitasking or when handling large volumes of data without upgrading the RAM.
Noise Levels
92%
The quiet operation of this NAS device is consistently mentioned in user feedback. Many users appreciate that it doesn’t add unnecessary noise to their work or home environment, making it a great choice for setups in shared spaces or for users who are sensitive to noise.
A very small number of users did report that the fan can get a little noisy during high-performance tasks, such as heavy data transfers or while transcoding media. However, this seems to be a rare complaint and is usually only noted under extreme use conditions.
User Interface Usability
90%
The user interface is one of the most positively reviewed aspects, with many users finding it incredibly intuitive and easy to navigate. The DSM interface stands out for its simplicity and user-friendliness, making it accessible for both beginners and advanced users alike. It’s also appreciated for its customization options and well-organized layout.
Although most users praise the DSM interface, a few have mentioned that some of the advanced features could be a bit more intuitive. For users with specific technical needs, the interface can occasionally feel cumbersome, requiring more navigation than expected to access certain settings.
Reliability & Durability
84%
The general consensus is that this NAS offers a solid level of reliability. It’s been lauded for handling continuous operation with minimal issues, ensuring smooth file management, data protection, and media serving. This device is praised for its consistency in performance under normal usage conditions.
A small percentage of users have experienced issues with the unit shutting down unexpectedly or encountering minor software bugs. While these problems appear to be isolated incidents, they are still a point of concern for some buyers looking for long-term reliability.
Compact Design (Size & Fit)
91%
Many users are impressed by the compact size of this NAS device, making it an excellent choice for small offices or home setups where space is limited. The size allows it to fit into tight spaces without sacrificing storage capabilities, a feature highly appreciated by those who need powerful solutions in smaller environments.
While the compact design is appreciated, a few users mentioned that the smaller form factor might compromise ventilation, leading to slightly higher temperatures. This could be an issue for those looking for a high-performance NAS for heavy-duty tasks over extended periods.
Value for Money
86%
This NAS device offers excellent value for the features it provides, especially for users who need a reliable, compact solution for both home and small business use. The combination of robust hardware, versatile software, and a solid set of features justifies the investment, according to most buyers.
Some users feel the price might be a bit high compared to other similar products, especially considering the base memory and storage options. While the device’s performance is generally good, some feel that there are cheaper alternatives that offer comparable features for less.

Suitable for:

The Synology DS620slim 6-Bay NAS is an excellent choice for small businesses or home users who need scalable, reliable storage in a compact design. Those who require a high-performance storage solution for media streaming, especially with 4K video transcoding, will find this device ideal. It also offers flexible storage options with support for both 2.5″ HDDs and SSDs, making it perfect for users who prioritize fast data transfer speeds and strong backup solutions. Additionally, individuals looking for easy management through Synology’s DSM software will appreciate its intuitive interface and ease of use, even for those without extensive technical expertise.

Not suitable for:

However, this device may not be the best fit for users who need to perform heavy multitasking or require more than 2GB of base memory for demanding workloads. Those running complex, multi-user environments or businesses with extensive data processing needs might find the memory limitations frustrating. Additionally, users looking for more advanced RAID configurations or higher capacity storage options may find the 108TB single volume capacity restrictive. While the compact size is a benefit in tight spaces, it may not be ideal for those who prioritize superior cooling or need a more industrial-grade solution for long-term high-performance tasks.

Specifications

  • Storage Bays: Supports up to 6 drive bays for flexible storage expansion.
  • Drive Compatibility: Compatible with 2.5″ HDDs and SSDs for varied storage options.
  • RAID Support: Offers RAID configuration flexibility, enhancing data redundancy and performance.
  • Maximum Storage Capacity: Supports a single volume of up to 108TB for large-scale data storage.
  • Memory: Comes with 2GB DDR3L RAM, expandable up to 6GB for improved performance.
  • 4K Video Transcoding: Dual-channel H.265/H.264 transcoding enables seamless 4K media streaming.
  • Data Protection: Supports over 65,000 snapshots for robust data protection and recovery.
  • Encrypted Transfers: Supports encrypted data transfers to ensure secure file access and storage.
  • Dimensions: Compact form factor with dimensions of 6.89 x 5.94 x 4.76 inches.
  • Build Material: Constructed with a durable metal build for reliable long-term use.
  • Weight: Weighs approximately 1.6 kg (3.5 lbs), making it easy to handle and install.
  • Network Ports: Equipped with Gigabit Ethernet ports for fast data transfer and network connectivity.
  • USB Ports: Includes multiple USB ports for external device connectivity and data backup.
  • Power Supply: Uses a 65W external power adapter for efficient energy use.
  • Operating System: Runs on Synology's DSM software, offering an intuitive interface for management.
  • Cooling: Includes a fan system for optimal heat dissipation and quiet operation.
  • Security Features: Supports security features like AES 256-bit encryption and two-step verification.
  • Expansion: Supports additional external storage via eSATA or USB for easy capacity growth.
  • Compatibility: Compatible with Windows, macOS, Linux, and mobile devices for versatile access.

FAQ

The Synology DS620slim 6-Bay NAS is primarily designed for home or small business use. It's ideal for secure file storage, data backup, and media streaming. It offers scalable storage and can accommodate both HDDs and SSDs for flexible usage.

Setting up the Synology DS620slim 6-Bay NAS is straightforward, especially with Synology's DSM software. The intuitive interface makes it easy for beginners, and the setup process typically involves connecting the device to your network and following the on-screen instructions.

Yes, this NAS device supports dual-channel H.265/H.264 4K video transcoding, ensuring seamless media streaming without interruptions. This makes it an excellent choice for home users who want a reliable media server for 4K content.

The Synology DS620slim supports 2.5″ HDDs and SSDs. This flexibility allows you to choose between traditional hard drives for larger storage capacities or SSDs for faster data access and improved performance.

The device comes with 2GB of DDR3L memory by default, but it can be upgraded to a maximum of 6GB. This upgradeability allows for improved performance when handling more demanding tasks or simultaneous data access.

The Synology DS620slim offers RAID flexibility, supporting multiple RAID levels. You can configure it to meet your needs for performance, redundancy, and storage capacity, with up to 108TB of single volume capacity for large-scale storage solutions.

Yes, this storage solution is perfect for small businesses that need scalable, reliable storage. It provides robust data protection with over 65,000 snapshots, and the compact design makes it easy to fit in limited office spaces.

Users have reported fast data transfer speeds, even when encryption is enabled. The device efficiently handles encrypted data transfers, making it secure for sensitive business or personal data while maintaining solid performance.

Some users have mentioned that the base 2GB of RAM can be limiting for advanced multitasking or heavy data processing. Additionally, for users requiring high-end enterprise-level features, this device might not meet all needs due to its compact design.

Before purchasing, consider your storage needs and whether you require advanced features like high data throughput or enterprise-grade performance. This device is ideal for home users or small businesses but might not be sufficient for users who need extreme processing power or enterprise-level scalability.