Best Network Attached Storage

Network Attached Storage (NAS) devices have become essential for both home and business users who need to store, access, and manage large amounts of data efficiently. A NAS device is a dedicated file storage unit connected to a network, allowing multiple users and heterogeneous client devices to retrieve data from centralized disk capacity.

With the proliferation of digital content and the need for robust data management solutions, choosing the best NAS can significantly impact productivity, data security, and ease of access. This guide will explore the best NAS options available, considering factors such as performance, scalability, ease of use, and price.

Table of Contents

Top Picks

Bestseller No. 1
Western Digital 8TB My Cloud EX2 Ultra Network Attached Storage - NAS - Western DigitalBVBZ0080JCH-NESN
  • High-performance 1.3 GHz dual-core Processor for lag-free streaming
  • 1GB of DDR3 Memory to multitask with ease
  • Centralized network storage and access from anywhere
  • Automatic file synching across all your computers
  • Simplified file and folder sharing
Bestseller No. 2
Synology 2-Bay DiskStation DS223j (Diskless)
  • Secure private cloud - Enjoy 100% data ownership and multi-platform access from anywhere
  • Easy sharing and syncing - Safely access and share files and media from anywhere, and keep clients, colleagues and collaborators on the same page
  • Comprehensive data protection - Back up your media library or document repository to a variety of destinations
  • 2-year warranty
  • Check Synology knowledge center or YouTube channel for help on product setup and additional information
SaleBestseller No. 3
Western Digital Diskless My Cloud EX2 Ultra Network Attached Storage - NAS - WDBVBZ0000NCH-NESN
  • High-performance 1.3 GHz dual-core Processor for lag-free streaming
  • 1GB of DDR3 Memory to multitask with ease
  • Centralized network storage and access from anywhere
  • Automatic file synching across all your computers
  • Simplified file and folder sharing

What is a Network Attached Storage (NAS) device?

A Network Attached Storage (NAS) device is a dedicated file storage unit connected to a network, allowing multiple users and heterogeneous client devices to retrieve data from centralized disk capacity. It functions as a specialized server for storing and managing data, making it easily accessible to networked devices.

How does NAS differ from traditional storage solutions?

NAS differs from traditional storage solutions like Direct Attached Storage (DAS) and Storage Area Networks (SAN) primarily in its network accessibility and ease of use. While DAS connects directly to a single computer, and SAN is a high-performance network of storage devices, NAS is a simple, scalable solution that connects to a network, allowing multiple devices to access and share data.

What are the key benefits of using NAS?

The key benefits of using NAS include:

  • Centralized Storage: Data is stored in one location, making it easier to manage and backup.
  • Accessibility: Users can access data from any networked device.
  • Scalability: Storage capacity can be easily expanded by adding more drives.
  • Data Protection: Advanced NAS devices offer RAID configurations and data protection features.
  • Cost-Effectiveness: NAS devices offer a good balance of performance and cost, particularly for small to medium-sized businesses.

What is RAID, and why is it important in NAS?

RAID (Redundant Array of Independent Disks) is a data storage virtualization technology that combines multiple physical disk drives into one or more logical units for redundancy and performance improvement. In NAS, RAID is important because it provides data redundancy, protecting against data loss in case of a drive failure, and enhances performance by distributing data across multiple drives.

What are the common RAID levels used in NAS?

Common RAID levels used in NAS include:

  • RAID 0: Stripes data across multiple drives for performance improvement but offers no redundancy.
  • RAID 1: Mirrors data on two drives, providing redundancy.
  • RAID 5: Stripes data with parity across three or more drives, offering a balance of performance, redundancy, and storage efficiency.
  • RAID 6: Similar to RAID 5 but with dual parity, allowing for the failure of two drives.
  • RAID 10: Combines RAID 0 and RAID 1, offering both performance and redundancy by mirroring and striping data.

What should be considered when choosing a NAS for home use?

When choosing a NAS for home use, consider the following factors:

  • Storage Capacity: Ensure the NAS can accommodate your current and future storage needs.
  • Performance: Look for a device with sufficient processing power and memory for your use case.
  • Ease of Use: A user-friendly interface is important for easy setup and management.
  • Multimedia Support: If you plan to store and stream media, choose a NAS with good multimedia capabilities.
  • Backup and Sync: Check for built-in backup and sync features to protect your data.

How important is the CPU and memory in a NAS device?

The CPU and memory are crucial components in a NAS device as they directly impact performance. A powerful CPU enables the NAS to handle multiple tasks simultaneously, such as file sharing, media streaming, and running applications. Adequate memory ensures smooth operation, especially when dealing with large files or running multiple applications concurrently.

What are some popular NAS brands?

Popular NAS brands include:

  • Synology: Known for its user-friendly DiskStation Manager (DSM) software and robust features.
  • QNAP: Offers a wide range of models with powerful hardware and versatile QTS software.
  • Western Digital (WD): Provides affordable and easy-to-use NAS solutions for home and small office users.
  • Asustor: Known for high-performance NAS devices with comprehensive multimedia support.
  • Buffalo: Offers reliable and cost-effective NAS solutions for small to medium-sized businesses.
  • Netgear: Provides powerful NAS devices with advanced data protection and backup features.

What is the Synology DiskStation Manager (DSM)?

The Synology DiskStation Manager (DSM) is a web-based operating system designed for Synology NAS devices. DSM provides a user-friendly interface and a wide range of applications for data management, multimedia, security, and productivity. It simplifies NAS management and enhances the overall user experience.

How does QNAP’s QTS software differ from Synology’s DSM?

QNAP’s QTS software and Synology’s DSM are both comprehensive operating systems for NAS devices, but they differ in several ways:

  • User Interface: DSM is often praised for its intuitive and polished interface, making it easier for beginners. QTS has a more feature-rich interface, which might be overwhelming for some users.
  • Applications: Both offer a wide range of applications, but QTS is known for its advanced virtualization and multimedia features. DSM focuses on ease of use and seamless integration.
  • Customization: QTS provides more customization options and hardware expandability, such as PCIe slots for additional functionality.

What are the main features of the Western Digital My Cloud EX2 Ultra?

The Western Digital My Cloud EX2 Ultra is designed for home and small office use, offering features such as:

  • Processor and Memory: Powered by a Marvell ARMADA 385 dual-core processor and 1GB DDR3 memory.
  • Storage: Supports up to two 3.5″ or 2.5″ SATA HDDs, with a maximum capacity of 28TB.
  • Performance: Provides satisfactory read/write speeds for everyday usage.
  • Software: My Cloud OS 5 with basic data management features and a clean, intuitive interface.
  • Connectivity: Single Gigabit Ethernet port and USB 3.0 for external storage expansion.

What makes the Asustor Lockerstor 4 (AS6604T) a good choice for power users?

The Asustor Lockerstor 4 (AS6604T) is a good choice for power users due to its:

  • Processor and Memory: Intel Celeron J4125 quad-core processor and 4GB DDR4 RAM (expandable up to 8GB).
  • Storage: Four 3.5″ or 2.5″ SATA HDD/SSD bays with hot-swapping support.
  • Performance: Dual 2.5GbE ports and support for NVMe SSD caching.
  • Software: ADM (Asustor Data Master) OS with a comprehensive suite of applications and features.
  • Multimedia Support: Excellent media streaming capabilities with 4K video transcoding support.

Why is the Buffalo TeraStation 3410DN suitable for small to medium-sized businesses?

The Buffalo TeraStation 3410DN is suitable for small to medium-sized businesses because it offers:

  • Processor and Memory: Annapurna Labs Alpine AL212 dual-core processor and 1GB DDR3 RAM.
  • Storage: Four 3.5″ SATA HDD bays with various pre-configured RAID options.
  • Performance: Stable performance for everyday business operations.
  • Software: Buffalo’s NAS OS with essential features for data management and security.
  • Backup Features: Integrated cloud backup options and replication features for data protection.

What are the advantages of using a NAS with SSDs, like the Seagate IronWolf 110 NAS SSD?

Using a NAS with SSDs, such as the Seagate IronWolf 110 NAS SSD, offers several advantages:

  • Performance: High-speed data access and transfer rates, significantly faster than traditional HDDs.
  • Reliability: SSDs have no moving parts, making them more durable and less prone to mechanical failure.
  • Endurance: High endurance ratings and robust data protection features, ideal for 24/7 NAS operations.
  • Noise and Heat: SSDs operate silently and generate less heat compared to HDDs.

What is Link Aggregation, and why is it useful in NAS?

Link Aggregation, also known as port trunking or bonding, combines multiple network connections into a single logical link to increase bandwidth and provide redundancy. In NAS, Link Aggregation is useful because it:

  • Improves Performance: By combining multiple network interfaces, it increases the overall data transfer rate.
  • Enhances Reliability: If one link fails, the other link(s) can maintain network connectivity, ensuring continuous access to the NAS.

How do NAS devices support data backup and recovery?

NAS devices support data backup and recovery through various features:

  • Automated Backups: Schedule regular backups to the NAS from computers and other devices.
  • RAID Configurations: Provide data redundancy, protecting against data loss in case of drive failure.
  • Snapshot Technology: Take point-in-time snapshots of data, allowing for quick recovery in case of accidental deletion or corruption.
  • Cloud Integration: Sync and back up data to cloud storage services for additional protection.

What is virtualization, and how do NAS devices support it?

Virtualization is the creation of virtual instances of computer resources, such as servers, storage, and networks. NAS devices support virtualization by:

  • Running Virtual Machines (VMs): High-performance NAS devices can run VMs, allowing users to deploy multiple virtual servers on a single physical NAS.
  • Containerization: Support for container technologies like Docker, enabling lightweight and efficient application deployment.
  • Virtualized Storage: Acting as shared storage for virtual environments, such as VMware, Hyper-V, and Citrix, providing centralized data storage and management.

Why is data security important in NAS, and what features enhance it?

Data security is crucial in NAS to protect sensitive information from unauthorized access and cyber threats. Features that enhance data security in NAS include:

  • Encryption: Encrypt data at rest and in transit to prevent unauthorized access.
  • Access Controls: Set user permissions and access controls to restrict data access to authorized users only.
  • Firewall and Antivirus: Integrated firewall and antivirus software to protect against malware and cyber attacks.
  • Two-Factor Authentication (2FA): Add an extra layer of security by requiring two forms of identification for login.

How does cloud integration benefit NAS users?

Cloud integration benefits NAS users by:

  • Hybrid Storage Solutions: Combine local NAS storage with cloud storage for flexible and scalable data management.
  • Remote Access: Access NAS data from anywhere with an internet connection, enhancing mobility and productivity.
  • Disaster Recovery: Backup NAS data to the cloud for an additional layer of protection against data loss due to hardware failure, theft, or natural disasters.
  • Collaboration: Share and collaborate on files with remote team members seamlessly.

How can NAS improve business productivity?

NAS can improve business productivity by:

  • Centralized Data Management: Streamline data storage and access, making it easier for employees to find and share information.
  • Automated Backup: Reduce the risk of data loss and ensure data integrity with automated backup processes.
  • Collaboration Tools: Enhance team collaboration with shared folders, file versioning, and remote access.
  • Application Support: Run business applications directly on the NAS, such as email servers, CRM systems, and databases, reducing the need for additional hardware.
  • Scalability: Easily expand storage capacity to meet growing business needs without significant downtime or investment in new infrastructure.

Best NAS

1. Synology DiskStation DS920+

Overview

Synology is a well-known name in the NAS market, and the DiskStation DS920+ is one of their flagship models. It is designed for home and small office use, providing a blend of performance, features, and ease of use.

Key Features

  • CPU and Memory: Powered by an Intel Celeron J4125 quad-core processor and 4GB DDR4 RAM (expandable up to 8GB), the DS920+ offers robust processing power for multitasking.
  • Storage: It supports up to four 3.5″ or 2.5″ SATA HDD/SSD drives, with a maximum raw capacity of 64TB.
  • Performance: With dual NVMe M.2 2280 SSD slots for cache acceleration, it significantly improves read/write speeds, making it ideal for data-intensive applications.
  • Software: Runs on Synology’s DiskStation Manager (DSM), which provides a user-friendly interface and a variety of applications for data management, multimedia, and security.
  • Connectivity: Two Gigabit Ethernet ports support Link Aggregation and Network Failover, ensuring continuous network service.

Pros

  • Excellent balance of performance and price.
  • User-friendly DSM software.
  • Expandable storage and memory options.
  • Robust data protection features including RAID support and Btrfs file system.

Cons

  • Lacks 10GbE connectivity which might be a drawback for some professional users.
  • Limited to four drive bays, which might not be sufficient for larger businesses.

2. QNAP TS-873A

Overview

QNAP’s TS-873A is a versatile and powerful NAS designed for small and medium-sized businesses that require high performance and scalability.

Key Features

  • CPU and Memory: Equipped with an AMD Ryzen V1500B quad-core processor and up to 64GB DDR4 RAM.
  • Storage: Offers eight 3.5″ or 2.5″ SATA HDD/SSD bays and two M.2 NVMe SSD slots.
  • Performance: Dual 2.5GbE ports and PCIe expansion slots for 10GbE connectivity, offering exceptional network performance.
  • Software: Runs on QNAP’s QTS operating system, providing a wide array of applications for virtualization, backup, and multimedia.
  • Virtualization: Supports virtual machines and containers, making it suitable for diverse business applications.

Pros

  • High performance with AMD Ryzen CPU and expandability options.
  • Advanced virtualization support.
  • PCIe expansion for additional functionality.
  • Robust security features including hardware encryption.

Cons

  • QTS software has a steeper learning curve compared to Synology’s DSM.
  • Higher price point, making it less suitable for budget-conscious users.

3. Western Digital My Cloud EX2 Ultra

Overview

The Western Digital My Cloud EX2 Ultra is a cost-effective NAS solution for home and small office environments, known for its simplicity and ease of use.

Key Features

  • CPU and Memory: Powered by a Marvell ARMADA 385 1.3GHz dual-core processor and 1GB DDR3 memory.
  • Storage: Supports two 3.5″ or 2.5″ SATA HDDs with a maximum capacity of 28TB.
  • Performance: Provides satisfactory read/write speeds for everyday usage.
  • Software: My Cloud OS 5 offers a clean, intuitive interface with basic data management features.
  • Connectivity: Single Gigabit Ethernet port and USB 3.0 for external storage expansion.

Pros

  • Affordable and easy to set up.
  • Compact design, suitable for small spaces.
  • Simplified software for straightforward usage.
  • Pre-configured RAID options.

Cons

  • Limited processing power and memory.
  • Lacks advanced features and expandability.
  • Not suitable for high-performance or data-intensive tasks.

4. Asustor Lockerstor 4 (AS6604T)

Overview

The Asustor Lockerstor 4 is designed for power users and small businesses needing a robust and expandable NAS with excellent performance.

Key Features

  • CPU and Memory: Intel Celeron J4125 quad-core processor and 4GB DDR4 RAM (expandable up to 8GB).
  • Storage: Four 3.5″ or 2.5″ SATA HDD/SSD bays with support for hot-swapping.
  • Performance: Dual 2.5GbE ports and support for NVMe SSD caching.
  • Software: ADM (Asustor Data Master) OS provides a comprehensive suite of applications and features.
  • Multimedia: Excellent media streaming capabilities with 4K video transcoding support.

Pros

  • High performance and expandability.
  • User-friendly ADM OS with a variety of applications.
  • Supports 2.5GbE and NVMe SSD caching.
  • Excellent media streaming capabilities.

Cons

  • ADM OS is not as polished as Synology’s DSM.
  • Slightly higher price point compared to entry-level models.

5. Buffalo TeraStation 3410DN

Overview

The Buffalo TeraStation 3410DN is designed for small to medium-sized businesses looking for a reliable and affordable NAS solution with comprehensive data protection features.

Key Features

  • CPU and Memory: Annapurna Labs Alpine AL212 dual-core processor and 1GB DDR3 RAM.
  • Storage: Four 3.5″ SATA HDD bays, with various pre-configured RAID options.
  • Performance: Provides stable performance for everyday business operations.
  • Software: Buffalo’s NAS OS offers essential features for data management and security.
  • Backup: Integrated cloud backup options and replication features for data protection.

Pros

  • Affordable and reliable.
  • Pre-configured RAID options for data protection.
  • Integrated cloud backup solutions.
  • Suitable for small to medium business environments.

Cons

  • Limited processing power and memory.
  • Basic software with fewer features compared to competitors.
  • Not suitable for demanding or data-intensive applications.

6. Seagate IronWolf 110 NAS SSD

Overview

The Seagate IronWolf 110 NAS SSD is a specialized SSD designed specifically for NAS systems, offering exceptional performance and reliability for businesses that require high-speed data access.

Key Features

  • Performance: Optimized for 24/7 NAS operations with consistent high-speed performance.
  • Capacity: Available in various capacities up to 3.84TB.
  • Endurance: High endurance rating and robust data protection features.
  • Software: Integrated with Seagate’s IronWolf Health Management for monitoring and management.

Pros

  • Exceptional performance for NAS applications.
  • High endurance and reliability.
  • Integrated health management features.
  • Suitable for high-speed data access requirements.

Cons

  • Higher cost compared to traditional HDDs.
  • Limited capacity options compared to HDDs.
  • Requires NAS systems that support SSDs.

7. Netgear ReadyNAS RN424

Overview

Netgear’s ReadyNAS RN424 is a powerful NAS solution designed for small to medium-sized businesses, offering high performance and comprehensive data protection features.

Key Features

  • CPU and Memory: Intel Atom C3338 dual-core processor and 2GB DDR4 memory.
  • Storage: Four 3.5″ or 2.5″ SATA HDD/SSD bays, supporting hot-swapping.
  • Performance: Dual Gigabit Ethernet ports with link aggregation support.
  • Software: ReadyNAS OS provides advanced data protection, backup, and virtualization support.
  • Backup: Integrated cloud backup solutions and snapshot technology for data recovery.

Pros

  • High performance and reliability.
  • Advanced data protection and backup features.
  • User-friendly software with comprehensive features.
  • Suitable for business environments.

Cons

  • Limited processing power for more demanding tasks.
  • Higher price point compared to basic NAS models.
  • Software may require a learning curve for new users.

Conclusion

Selecting the best Network Attached Storage (NAS) device depends on various factors including the intended use, required performance, storage capacity, and budget. For home and small office users, the Synology DiskStation DS920+ offers an excellent balance of performance, features, and ease of use.

Small to medium-sized businesses looking for high performance and expandability might prefer the QNAP TS-873A or the Asustor Lockerstor 4. For those on a budget, the Western Digital My Cloud EX2 Ultra and Buffalo TeraStation 3410DN provide reliable and cost-effective solutions. Lastly, for businesses that require high-speed data access, the Seagate IronWolf 110 NAS SSD offers unparalleled performance and reliability.

Ultimately, the best NAS for you will depend on your specific needs and requirements. Each of these devices brings unique strengths to the table, ensuring that there is a suitable option for a wide range of users and applications.