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Looking Beyond the Synology DiskStation 2-Bay 16TB NAS? 6 Alternatives Worth a Look

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You are looking for synology diskstation 2 bay 16tb NAS alternatives because your needs may have shifted. The Synology DS224+ excels at indexing and energy efficiency with its Celeron CPU and 6GB of RAM. However, you might want faster networking, more processing cores, or a different form factor. This list covers 6 options that share core specifications with the original model.

Each alternative was chosen because its specs overlap with the DS224+. You will find models with higher network bandwidth, such as 5GbE ports, or different storage types like SSDs. Some units offer more pre-installed capacity, while others focus on lower power consumption. You can compare these devices by their processor speed, memory capacity, and connectivity options. This approach helps you identify which hardware configuration best fits your specific workflow. You do not need to start from scratch when exploring other Synology devices.

Our top pick: Synology DiskStation 2-Bay 16TB NAS.

How these alternatives compare

Synology DS225+ 2-Bay NAS

The Synology DS225+ upgrades your networking with a 5GbE port alongside the standard 1GbE connection. This allows for significantly faster file transfers if you have compatible equipment. It also features a quad-core processor, which handles more complex tasks than the original's dual-core setup. You get expandable RAM, offering flexibility for future growth. However, it does not include pre-installed storage, so you must purchase drives separately. This model suits users who prioritize processing speed and network bandwidth over immediate high-capacity storage. If your workflow involves large media files or virtual machines, the extra cores and faster Ethernet port provide tangible benefits over the base DS224+ configuration.

Synology DS223j 8TB SSD NAS

This option switches from hard drives to solid-state drives, using 8TB of 2.5-inch SSDs. SSDs deliver much faster read and write speeds than traditional HDDs, improving application loading times and random access performance. The DS223j model is designed for lower power consumption, which reduces long-term electricity costs. It lacks upgradable memory and faster network ports, focusing instead on reliability and speed for small offices or home users. You give up raw storage capacity and the ability to expand RAM, but gain silent operation and quicker data retrieval. This choice is ideal if you value fast access to frequently used files and energy efficiency over maximum storage density or high-throughput networking.

Synology DS223j 2-Bay 3.5 inch NAS

The DS223j with 3.5-inch drives offers 24TB of capacity, which is higher than the 16TB included in the original. It uses standard 3.5-inch hard drives, which are generally more cost-effective per terabyte than smaller drives. Like the SSD version, it features a quad-core processor for efficient data management. However, it retains the standard 1GbE network connection, so it does not offer faster networking speeds. You get more storage space out of the box without needing to assemble drives yourself. This model fits users who need high capacity for basic file storage and backup, prioritizing data safety and low power use over processing power or network speed.

Synology 2-Bay 24TB Desktop NAS

This Synology 2-Bay 24TB Desktop NAS provides 24TB of pre-installed storage, which is 8TB more than the original 16TB model. It uses the same Celeron processor and 1GbE network ports, so performance characteristics remain similar. The key difference is the immediate availability of higher storage capacity without the need for manual drive installation. It is designed for users who want a ready-to-use solution with substantial storage space. You do not get faster networking or additional processing power compared to the original. This option is best for those who need 24TB immediately and value convenience and efficiency over advanced features or high-speed network interfaces.

Synology DiskStation 2-Bay 8TB NAS

The Synology DiskStation 2-Bay 8TB NAS includes 8TB of storage, which is half the capacity of the original 16TB model. It shares the same Celeron processor and 1GbE network connectivity, ensuring similar performance for indexing and file management. The primary difference is the lower storage volume, which may suit users with smaller data requirements. It still offers the energy efficiency and solid 2-bay performance of the DS224+ series. You save space and potentially cost by choosing a smaller capacity, but you lose the high-density storage advantage. This model is appropriate for users who value energy efficiency and ample local storage for smaller datasets, rather than those needing maximum capacity.

Synology DS224+ 2-Bay NAS

This Synology DS224+ 36TB NAS provides 36TB of pre-installed storage, which is more than double the capacity of the original 16TB model. It uses the same Celeron processor and 1GbE network ports, maintaining similar processing and networking performance. The main advantage is the immediate availability of high storage capacity without assembly. It is designed for users who need a ready-to-use solution with substantial storage space. You do not get faster networking or additional processing power. This option is ideal for those who prioritize high capacity and energy savings, requiring a large amount of storage out of the box without the hassle of installing drives themselves.

Quick picks

#ProductBest forPrice
1 Synology DiskStation 2-Bay 16TB NAS Best overall High-capacity home office file storage Check price of Synology DiskStation 2-Bay 16TB NAS on Amazon
2 Synology DS225+ 2-Bay NAS Also great Users needing quad-core processing and data snapshots Check price of Synology DS225+ 2-Bay NAS on Amazon
3 Synology DS223j 8TB SSD NAS Also great Users needing fast SSD storage with low power use Check price of Synology DS223j 8TB SSD NAS on Amazon
4 Synology DS223j 2-Bay 3.5 inch NAS Best 3.5 inch High-capacity, low-power home storage Check price of Synology DS223j 2-Bay 3.5 inch NAS on Amazon
5 Synology 2-Bay 24TB Desktop NAS Also great Users needing 24TB capacity out of the box Check price of Synology 2-Bay 24TB Desktop NAS on Amazon
6 Synology DiskStation 2-Bay 8TB NAS Best budget Low-power 2-bay storage with included drives Check price of Synology DiskStation 2-Bay 8TB NAS on Amazon
7 Synology DS224+ 2-Bay NAS Best premium Users needing 36TB pre-installed storage Check price of Synology DS224+ 2-Bay NAS on Amazon

Our 7 picks

Best overall

Synology DiskStation 2-Bay 16TB NAS

Best for: High-capacity home office file storage

Network Connectivity
2 x 1GbE
Processor
Celeron J4125 4-Core 2.0GHz
RAM Capacity
6GB DDR4
Included Storage
16TB

View on Amazon: Synology DiskStation 2-Bay 16TB NAS Affiliate link

The Synology DS224+ is a 2-bay NAS with 16TB of storage. It uses a Celeron J4125 4-core CPU and 6GB DDR4 RAM. You get two 1GbE ports. The unit handles indexing and web apps well. It runs at 15 watts. This setup suits users who need high capacity and reliable performance for file management.

Pros

  • 16TB (2 x 8TB) SATA HDD storage
  • Celeron J4125 4-Core 2.0GHz CPU
  • 6GB DDR4 non-ECC SODIMM Memory
  • Low 15-watt operational power usage

Cons

  • Only 1GbE network ports
  • No mention of 2.5GbE connectivity
  • Non-ECC RAM limits error correction

Good fit if

  • You need 16TB of ready-to-use storage
  • You want strong indexing performance for photos
  • You prefer energy-efficient operation under 15 watts

Skip if

  • You require 2.5GbE network speeds
  • You need ECC memory for data integrity
  • You want more than two drive bays

Verdict: Synology DS224+ 16TB 2-Bay NAS offers solid performance for users who prioritize storage capacity and efficient indexing over faster network speeds.

Also great

Synology DS225+ 2-Bay NAS

Best for: Users needing quad-core processing and data snapshots

Drive Bays
2-Bay
Processor
Intel Celeron J4125 Quad-Core
RAM Capacity
2 GB DDR4 non-ECC SODIMM
Included Storage
16TB
RAID Support
Synology Hybrid RAID (SHR)
Network Connectivity
5GbE, 1GbE

View on Amazon: Synology DS225+ 2-Bay NAS Affiliate link

The Synology DS225+ is a 2-bay NAS drive featuring an Intel Celeron J4125 quad-core processor. It includes 2 GB of DDR4 RAM, expandable to 6 GB, and offers dual network ports with 2.5 GbE support. This unit supports Btrfs snapshots and works with third-party drives. It suits users needing reliable data protection and flexible storage management in a compact form factor.

Pros

  • Intel Celeron J4125 quad-core processor for steady performance
  • RAM expandable up to 6 GB for better multitasking
  • Includes 2.5 GbE and 1 GbE network ports
  • Supports Btrfs file system with snapshot technology
  • Compatible with third-party drives since DSM 7.3

Cons

  • Base RAM is only 2 GB, requiring an upgrade for heavy use
  • Only 2 drive bays limit total storage capacity
  • No mention of included storage drives in the base unit

Good fit if

  • You want a quad-core processor for smooth operation
  • You need expandable RAM for future-proofing
  • You prefer Btrfs snapshots for data protection

Skip if

  • You need more than 2 drive bays
  • You require 10 GbE network connectivity
  • You want a NAS with pre-installed drives

Verdict: Synology DS225+ 2-Bay NAS offers a quad-core CPU and expandable RAM for users who prioritize processing power and data safety over high storage density. It fits those building a small, efficient home server.

Also great

Synology DS223j 8TB SSD NAS

Best for: Users needing fast SSD storage with low power use

Drive Bays
2-Bay
Network Connectivity
1GbE
Processor
RTD1619B 4-Core 1.7GHz
RAM Capacity
1GB DDR4
Included Storage
8TB
Form Factor
2.5 Inch

View on Amazon: Synology DS223j 8TB SSD NAS Affiliate link

This Synology DiskStation DS223j includes 8TB of storage across two 2.5-inch SSDs. It uses a quad-core 1.7GHz RTD1619B processor and 1GB of DDR4 memory. The unit features a 1GbE network port and Btrfs file system for data protection. It suits users who want fast SSD performance in a compact, energy-efficient 2-bay form factor without needing high-end multi-gigabit speeds.

Pros

  • Includes 8TB capacity via two 2.5-inch SSDs
  • Quad-core 1.7GHz RTD1619B processor
  • Low 17.3 W operational energy consumption
  • Btrfs file system with snapshot technology

Cons

  • Only 1GB of DDR4 non-ECC memory
  • Single 1GbE network port limits throughput
  • SSD storage included but memory and drives require separate installation

Good fit if

  • You need fast SSD storage speeds in a 2-bay chassis
  • You prioritize low power consumption for always-on operation
  • You want built-in Btrfs snapshot protection for data safety

Skip if

  • You require multi-gigabit network speeds for large file transfers
  • You need expandable RAM beyond 1GB for heavy multitasking
  • You prefer a pre-assembled unit with drives already installed

Verdict: Synology DS223j 8TB SSD NAS delivers reliable SSD performance and efficient power use for small offices or home users. It fits those who value data protection and fast storage access over raw network bandwidth or upgradable memory.

Best 3.5 inch

Synology DS223j 2-Bay 3.5 inch NAS

Best for: High-capacity, low-power home storage

Drive Bays
2-Bay
Network Connectivity
1GbE
Processor
RTD1619B 4-Core 1.7GHz
RAM Capacity
1GB DDR4
Included Storage
24TB
Form Factor
3.5 Inch

View on Amazon: Synology DS223j 2-Bay 3.5 inch NAS Affiliate link

The Synology DS223j is a 2-bay NAS with a 1.7GHz quad-core CPU and 1GB of DDR4 memory. It comes with 24TB of storage in two 3.5-inch hard drives. You get a single 1GbE port for network connections. The system uses Btrfs for data protection. It runs at low power. This setup suits users who need high capacity on a budget.

Pros

  • Includes 24TB storage across two 3.5-inch drives
  • Quad-core 1.7GHz RTD1619B processor
  • Btrfs file system with snapshot technology
  • Low energy consumption at 17.3 W

Cons

  • Only 1GB of DDR4 memory
  • Single 1GbE network port
  • No mention of 10GbE or USB 3.2 ports

Good fit if

  • You need maximum storage capacity for the price
  • You prioritize data protection features like snapshots
  • You want a quiet, low-power home server

Skip if

  • You require fast network transfers over 1GbE
  • You need more than 1GB of RAM for heavy apps
  • You want to upgrade memory yourself

Verdict: Synology DS223j 24TB 3.5 inch NAS delivers high capacity for basic storage needs. It fits users who value data safety and low power use over speed.

Also great

Synology 2-Bay 24TB Desktop NAS

Best for: Users needing 24TB capacity out of the box

Network Connectivity
2 x 1GbE
Processor
Celeron J4125 4-Core 2.0GHz
RAM Capacity
6GB DDR4
Included Storage
24TB

View on Amazon: Synology 2-Bay 24TB Desktop NAS Affiliate link

This Synology DiskStation DS224+ comes pre-loaded with 24TB of storage across two 12TB drives. It uses a Celeron J4125 quad-core processor running at 2.0GHz and includes 6GB of DDR4 RAM. You get two 1GbE network ports for connectivity. The unit is designed for energy efficiency, using as little as 15 watts during operation. It suits users needing high capacity in a compact 2-bay form factor.

Pros

  • Includes 24TB total storage (2x 12TB HDDs)
  • Celeron J4125 4-core 2.0GHz processor
  • 6GB DDR4 non-ECC SODIMM memory
  • Low power consumption at 15 watts

Cons

  • Only 1GbE network connectivity
  • No mention of 2.5GbE ports
  • Pre-installed drives limit drive choice

Good fit if

  • You need 24TB of storage ready to use
  • You want a compact 2-bay NAS
  • You prioritize energy efficiency

Skip if

  • You require 2.5GbE networking speeds
  • You want to choose your own drives
  • You need more than 2 drive bays

Verdict: Synology DS224+ 24TB NAS offers high capacity and efficiency for users who want storage without assembly. It fits those who need 24TB immediately and do not require faster networking.

Best budget

Synology DiskStation 2-Bay 8TB NAS

Best for: Low-power 2-bay storage with included drives

Network Connectivity
2 x 1GbE
Processor
Celeron J4125 4-Core 2.0GHz
RAM Capacity
6GB DDR4
Included Storage
8TB

View on Amazon: Synology DiskStation 2-Bay 8TB NAS Affiliate link

The Synology DS224+ is a 2-bay NAS with an Intel Celeron J4125 4-core processor and 6GB of DDR4 RAM. It includes 8TB of storage via two 4TB drives. The unit features dual 1GbE ports and operates at low power. It is designed for users needing reliable file management and media access without high network speeds.

Pros

  • Intel Celeron J4125 4-core CPU
  • 6GB DDR4 non-ECC SODIMM memory
  • 8TB storage included (2x 4TB HDDs)
  • Low 15W operational power usage

Cons

  • Only 1GbE network ports
  • No 2.5GbE connectivity
  • Non-ECC memory limits error correction

Good fit if

  • You need included storage
  • You prioritize low power use
  • You want 6GB of RAM

Skip if

  • You require 2.5GbE speeds
  • You need ECC memory support
  • You want 16TB capacity

Verdict: Synology DS224+ 8TB NAS offers solid 2-bay performance with 6GB RAM and included drives. It fits users who value energy efficiency and ample local storage over high-speed networking.

Best premium

Synology DS224+ 2-Bay NAS

Best for: Users needing 36TB pre-installed storage

Drive Bays
2-Bay
Network Connectivity
2 x 1GbE
Processor
Celeron J4125 2.0GHz
RAM Capacity
6GB DDR4
Included Storage
36TB

View on Amazon: Synology DS224+ 2-Bay NAS Affiliate link

This Synology DiskStation DS224+ NAS features an Intel Celeron J4125 quad-core processor and 6GB of DDR4 memory. It comes pre-installed with 36TB of storage using two 18TB drives. The unit includes 1GbE LAN ports for network connectivity. It is designed for users needing high-capacity storage with efficient indexing speeds for files and photos. The device supports centralized data management and security features for your home or small office.

Pros

  • Intel Celeron J4125 4-Core 2.0GHz CPU with 2.7GHz Turbo
  • 6GB DDR4 non-ECC SODIMM Memory
  • 36TB (2 x 18TB) 6Gb/s SATA HDDs included
  • Operational power usage as low as 15 watts

Cons

  • Limited to 1GbE network connectivity
  • Large physical footprint measuring 17 x 8.5 x 18 inches
  • No mention of USB 3.0 or eSATA ports in data

Good fit if

  • You need 36TB of storage without buying drives separately
  • You want faster indexing speeds for Synology Drive and Photos
  • You prioritize energy efficiency with low power usage

Skip if

  • You require 2.5GbE or 10GbE network speeds
  • You have limited space for a large chassis
  • You need expandable memory beyond 6GB

Verdict: Synology DS224+ 36TB NAS is a solid choice for users who want a high-capacity, ready-to-use storage solution with efficient processing power. It suits those who value included storage and energy savings over faster network interfaces.

Specifications side by side

Spec Synology DiskStation 2-Bay 16TB NAS Synology DS225+ 2-Bay NAS Synology DS223j 8TB SSD NAS Synology DS223j 2-Bay 3.5 inch NAS Synology 2-Bay 24TB Desktop NAS Synology DiskStation 2-Bay 8TB NAS Synology DS224+ 2-Bay NAS
Drive Bays not stated 2-Bay 2-Bay 2-Bay not stated not stated 2-Bay
Network Connectivity 2 x 1GbE not stated 1GbE 1GbE 2 x 1GbE 2 x 1GbE 2 x 1GbE
Processor Celeron J4125 4-Core 2.0GHz Intel Celeron J4125 Quad-Core RTD1619B 4-Core 1.7GHz RTD1619B 4-Core 1.7GHz Celeron J4125 4-Core 2.0GHz Celeron J4125 4-Core 2.0GHz Celeron J4125 2.0GHz
RAM Capacity 6GB DDR4 2 GB DDR4 non-ECC SODIMM 1GB DDR4 1GB DDR4 6GB DDR4 6GB DDR4 6GB DDR4
Included Storage 16TB 16TB 8TB 24TB 24TB 8TB 36TB
RAID Support not stated Synology Hybrid RAID (SHR) not stated not stated not stated not stated not stated
Form Factor not stated not stated 2.5 Inch 3.5 Inch not stated not stated not stated
Number of Bays not stated 2-Bay not stated not stated not stated not stated not stated
Processor Cores not stated Quad-Core Quad-Core Quad-Core not stated not stated not stated
Weight not stated 4.41 pounds not stated not stated not stated not stated not stated
Dimensions not stated not stated 12 × 6 × 12 inches 12 × 6 × 12 inches not stated not stated not stated
Size 1U 16TB c) 8TB (2 x 4TB) 2.5" SSDs d) 24TB (2 x 12TB) 3.5" HDD not stated not stated 17" H x 8.5" W x 18" D
Color black Black White White black black black
Model not stated DS225+/16TB-IW DS223j DS223j not stated not stated not stated

Frequently asked questions

Which Synology NAS offers the fastest network speeds?

The Synology DS225+ provides the highest connectivity options among these alternatives. It features both 5GbE and 1GbE ports, allowing for rapid data transfers when paired with compatible equipment. This setup suits users who need faster local network performance than the standard 1GbE connections found in other models.

What is the best budget-friendly option with SSDs?

The Synology DS223j 8TB SSD NAS is the top choice for cost-conscious buyers seeking speed. It uses 2.5-inch SSDs to deliver reliable performance and efficient power usage. This model fits small offices or home users who prioritize fast storage access and data protection over raw network bandwidth.

How much storage does the highest capacity model provide?

The Synology DS223j 24TB 3.5 inch NAS offers the largest pre-installed capacity in this list. It comes with two 12TB 3.5-inch HDDs for a total of 24TB. This high-capacity solution is ideal for users who value data safety and low power consumption over high-speed networking interfaces.

Which NAS has a quad-core processor for better processing power?

The Synology DS225+ stands out with its quad-core Intel Celeron processor. This CPU handles more complex tasks efficiently compared to the standard dual-core options. It also supports expandable RAM, making it suitable for users building a small, efficient home server that requires strong processing capabilities.

Is there a ready-to-use NAS with 24TB of storage?

Yes, the Synology 2-Bay 24TB Desktop NAS provides immediate storage without assembly. It comes pre-installed with drives, offering high capacity and efficiency right out of the box. This model fits users who need 24TB immediately and do not require faster networking than the standard 1GbE connection.

Which model is best for low-power home storage?

The Synology DS223j 24TB 3.5 inch NAS is optimized for energy efficiency. It delivers high capacity while maintaining low power use, making it ideal for home environments. This unit suits users who prioritize data safety and quiet operation over raw speed or upgradable memory options.

What is the smallest physical size available?

The Synology DS223j models share the most compact dimensions in this group. They measure 6 inches in width, 12 inches in height, and 12 inches in length. This small footprint allows for easy placement in tight spaces, making them practical for home offices or small workspaces.

See also