6 Best Alternatives to the Synology 12-Bay Rackmount NAS 24TB (2026)

Comparing Rackmount Alternatives

Synology RackStation 12TB SSD NAS

This Synology RackStation model keeps the 12-bay rackmount chassis and redundant power supply found in the reference unit. The main difference is the storage medium. Instead of the 24TB of HDDs in the original, this version uses SSDs. SSDs provide faster read and write speeds, which helps with intensive database or virtual machine workloads. You trade raw capacity for performance. If you need faster data access and can accept lower total storage, this is a better fit. The 32GB ECC RAM and AMD Ryzen processor remain consistent, ensuring similar processing power for your server roles.

Synology DS723+ 2-Bay Ryzen NAS

The Synology DS723+ is a desktop NAS, not a rackmount unit. It has only two drive bays compared to the 12 bays in the original. However, it includes slots for NVMe drives, allowing you to add high-speed caching. This model shares the 32GB RAM and AMD Ryzen processor, offering similar processing headroom in a much smaller form factor. It is ideal if you do not need a 12-bay capacity for massive file storage. Instead, you prioritize speed and memory for specific tasks like virtualization or media transcoding. It is a budget-friendly option for smaller setups that do not require enterprise rack infrastructure.

Synology 1U 4-Bay Rackmount NAS with 48TB

This Synology RS822+ is a 1U rackmount NAS with only four drive bays. It offers 48TB of storage, which is double the 24TB capacity of the original 12-bay unit. While it has fewer bays, the higher density drives provide more total space in a smaller physical footprint. It retains the 32GB ECC RAM and AMD Ryzen processor, matching the original’s processing and memory capabilities. This unit is better for branch offices or edge locations where space is limited but high capacity is required. You give up the flexibility of 12 individual drives for a more compact, high-capacity solution with redundant power support.

Synology 1U 4-Bay Rackmount NAS with 32GB RAM

The Synology RS822+ 1U 4-Bay Edge NAS is another compact alternative. It features four bays and 32GB of ECC RAM, similar to the original’s memory but with fewer drive slots. The key advantage is its pre-configured nature and SSD speed, as indicated by its badge. It is designed for small deployments where speed and compactness matter more than raw drive count. You lose the 12-bay flexibility of the original but gain a dense, easy-to-install unit for edge computing. The AMD Ryzen processor ensures strong performance despite the smaller size. It is suitable if you need high-speed storage in a tight rack space without managing individual drive installations.

Synology RackStation 12-Bay 216TB NAS

This Synology RackStation model shares the same 12-bay rackmount form factor and redundant power supply as the original. The primary difference is the storage capacity. This version offers 216TB, which is significantly higher than the 24TB in the reference unit. It uses the same 32GB ECC RAM and AMD Ryzen processor, providing identical processing power. This model is ideal if you need massive storage volume without changing your chassis or power setup. You pay for higher capacity rather than speed or additional features. It is the best choice for users who need to scale up storage within the same 12-bay rackmount infrastructure while maintaining enterprise-grade reliability.

Synology RackStation 12-Bay 48TB NAS

This Synology RackStation model also features a 12-bay rackmount design and redundant power, matching the original’s physical layout. It provides 48TB of storage, which is double the capacity of the 24TB reference unit. The internal specifications, including 32GB ECC RAM and the AMD Ryzen processor, are consistent with the original. This unit is suitable for users who need more storage space but want to keep the same chassis and power redundancy. You gain extra capacity without altering your network or power infrastructure. It is a direct upgrade path for those who find the 24TB limit insufficient but still require the 12-bay form factor and enterprise features.

Quick picks

Our 7 picks

1 Best overall

Synology 12-Bay Rackmount NAS with 24TB Storage

Best for: Enterprise server roles with redundant power

Network Connectivity

4 x 1GbE

Processor

Ryzen V1500B

RAM Capacity

32GB DDR4 ECC SODIMM

Included Storage

24TB

View on Amazon: Synology 12-Bay Rackmount NAS with 24TB Storage Affiliate link

The Synology RackStation RS2421RP+ is a 12-bay rackmount NAS built for high-performance server roles. It features a Ryzen V1500B 4-Core 2.2GHz CPU and 32GB DDR4 ECC SODIMM memory. The unit includes 24TB of SATA 3.5" HDD storage and four 1GbE LAN ports. Redundant power supplies add protection for critical data. You should choose this if you need enterprise-grade reliability and advanced virtualization features in a compact rack format.

Pros

• Ryzen V1500B 4-Core 2.2GHz processor
• 32GB DDR4 ECC SODIMM memory
• 24TB storage (12 x 2TB HDDs)
• Redundant power supplies for reliability
• Four 1GbE LAN ports with link aggregation

Cons

• 1GbE network speed limits large file transfers
• Requires manual installation of drives and memory
• Large 2U chassis needs rack space

Good fit if

• You need redundant power for critical data
• You require 32GB of ECC memory
• You want a 12-bay rackmount solution

Skip if

• You need 10GbE networking
• You prefer pre-installed hard drives
• You have limited rack space

Verdict: Synology RS2421RP+ 12-Bay Rackmount NAS is ideal for users who need redundant power and 32GB of ECC memory for enterprise server roles. It fits those who can manage manual drive installation and require a 12-bay rackmount form factor.

2 Also great

Synology RackStation 12TB SSD NAS

Best for: Users needing redundant power and SSD storage

Network Connectivity

4 x 1GbE

Processor

Ryzen V1500B

RAM Capacity

32GB DDR4 ECC SODIMM

Included Storage

12TB

View on Amazon: Synology RackStation 12TB SSD NAS Affiliate link

This Synology RackStation RS2421RP+ is a 12-bay rackmount server built for high-performance roles like backup and file storage. It features a Ryzen V1500B 4-core processor and 32GB of DDR4 ECC memory. The unit includes 12TB of SATA 2.5-inch SSDs and four 1GbE LAN ports. You get redundant power supplies and a sliding rail kit for installation. It suits users needing fast storage and advanced server management features.

Pros

• Ryzen V1500B 4-core 2.2GHz CPU
• 32GB DDR4 ECC SODIMM memory
• 12TB SATA 2.5-inch SSD storage
• Four 1GbE LAN ports with link aggregation
• Redundant power supplies for protection

Cons

• Network ports are limited to 1GbE
• Requires manual installation of drives and memory
• Includes only 12TB of SSD storage

Good fit if

• You need redundant power for critical data
• You want fast SSD storage in a 12-bay chassis
• You require ECC memory for server stability

Skip if

• You need 10GbE or higher network speeds
• You want a pre-installed drive system
• You prefer a smaller 8-bay form factor

Verdict: Synology RS2421RP+ 12-Bay Rackmount NAS is a solid choice for users who need redundant power and fast SSD storage in a 12-bay rackmount chassis. It fits those prioritizing ECC memory and 1GbE connectivity for their server roles.

3 Best budget

Synology DS723+ 2-Bay Ryzen NAS

Best for: High RAM desktop NAS with NVMe cache

Drive Bays

2-Bay

Network Connectivity

2 x 1GbE

Processor

Ryzen R1600 2.6GHz

RAM Capacity

32GB DDR4 ECC

M.2 NVMe Slots

1TB M.2 NVMe SSD

Included Storage

20TB HDD + 1TB SSD

View on Amazon: Synology DS723+ 2-Bay Ryzen NAS Affiliate link

The Synology DS723+ offers 20TB of storage in a compact 2-bay chassis. It pairs an AMD Ryzen R1600 2.6GHz CPU with 32GB of ECC memory. You get 1TB of NVMe SSD cache and dual 1GbE ports. This setup suits users needing high RAM for virtualization or heavy multitasking. It is not a 12-bay rackmount solution, but a dense desktop alternative.

Pros

• 32GB DDR4 ECC SODIMM memory for heavy workloads
• AMD Ryzen R1600 2.6GHz CPU with 3.1GHz Turbo
• 1TB M.2 NVMe SSD cache included
• Dual 1GbE LAN ports with link aggregation support

Cons

• Only 2 drive bays, far fewer than 12-bay racks
• 1GbE network speed limits large file transfers
• Requires manual installation of drives and memory

Good fit if

• You need 32GB RAM for virtual machines
• You want NVMe caching for faster access
• You prefer a compact desktop form factor

Skip if

• You require 12 drive bays for bulk storage
• You need rackmount installation for server rooms
• You require 10GbE or higher network speeds

Verdict: Synology DS723+ 20TB NAS delivers high memory capacity in a small footprint. It fits users who prioritize RAM and caching over raw drive count.

4 Also great

Synology 1U 4-Bay Rackmount NAS with 48TB

Best for: compact 4-bay edge storage with 48TB

Drive Bays

4-bay

Network Connectivity

4 x 1GbE

Processor

Ryzen R1500B 4-Core 2.2GHz

RAM Capacity

32GB DDR4 ECC UDIMM

Included Storage

48TB

View on Amazon: Synology 1U 4-Bay Rackmount NAS with 48TB Affiliate link

The Synology RS822+ is a compact 1U 4-bay NAS with 48TB storage and 32GB ECC RAM. It features a Ryzen 2.2GHz CPU and four 1GbE ports. This unit includes four 12TB drives. It suits branch offices needing edge storage. The system supports surveillance and backup tools. It offers expandability for small business data management.

Pros

• Includes 48TB of pre-installed SATA 3.5" HDDs
• 32GB DDR4 ECC UDIMM memory for stability
• Four 1GbE LAN ports for connectivity
• Ryzen R1500B 4-core 2.2GHz processor

Cons

• Only four drive bays limit total capacity
• 1GbE ports lack high-speed 10GbE options
• Requires separate installation of drives and memory

Good fit if

• You need a compact 1U edge storage solution
• You want pre-installed 48TB of storage
• You run small surveillance or backup setups

Skip if

• You require more than four drive bays
• You need 10GbE network connectivity
• You want a 12-bay rackmount chassis

Verdict: Synology RS822+ 48TB 4-Bay NAS fits branch offices needing compact edge storage with 48TB capacity and 32GB ECC RAM. It suits users who prefer a 4-bay form factor over larger rackmount options.

5 Also great

Synology 1U 4-Bay Rackmount NAS with 32GB RAM

Best for: compact edge storage with SSD speed

Drive Bays

4-bay

Network Connectivity

4 x 1GbE

Processor

Ryzen R1500B

RAM Capacity

32GB DDR4 ECC SODIMM

Included Storage

8TB

View on Amazon: Synology 1U 4-Bay Rackmount NAS with 32GB RAM Affiliate link

The Synology RS822+ is a compact 1U edge storage unit with four 2.5-inch drive bays. It includes 32GB of DDR4 ECC memory and a Ryzen R1500B processor. The system comes with 8TB of SATA SSD storage pre-installed. It offers four 1GbE LAN ports for connectivity. This model suits branch offices needing fast, local data management and backup capabilities.

Pros

• Includes 32GB DDR4 ECC SODIMM memory
• Powered by a Ryzen R1500B 4-core processor
• Pre-installed 8TB SATA 2.5-inch SSD storage
• Four 1GbE LAN ports for network connectivity

Cons

• Only four drive bays limit total capacity
• 1GbE network ports lack high-speed throughput
• 1U form factor restricts drive size to 2.5-inch

Good fit if

• You need a compact 1U edge storage solution
• You require fast SSD storage for branch offices
• You want pre-installed memory and drives

Skip if

• You need more than four drive bays
• You require 10GbE network connectivity
• You need 3.5-inch drive support

Verdict: The Synology RS822+ 1U 4-Bay Edge NAS provides a dense, pre-configured storage option for small deployments. It fits branch offices that prioritize speed and compactness over raw capacity.

6 Best premium

Synology RackStation 12-Bay 216TB NAS

Best for: High-capacity 12-bay rack storage

Network Connectivity

4 x 1GbE

Processor

Ryzen V1500B

RAM Capacity

32GB DDR4 ECC SODIMM

Included Storage

216TB

View on Amazon: Synology RackStation 12-Bay 216TB NAS Affiliate link

This 12-bay rackmount NAS uses a Ryzen V1500B processor and 32GB of ECC memory. It supports up to 216TB of storage across its drive bays. You get four 1GbE ports for network connectivity and redundant power supplies for reliability. The unit includes a sliding rail kit for rack installation. It suits users needing high-capacity storage with robust hardware specs for server roles.

Pros

• Ryzen V1500B 4-Core 2.2GHz CPU
• 32GB DDR4 ECC SODIMM Memory
• Supports up to 216TB HDD Storage
• Redundant Power Supplies
• 4 x 1GbE LAN Ports

Cons

• Limited to 1GbE network ports
• Requires separate drive installation
• No 10GbE connectivity listed

Good fit if

• You need high-capacity storage for many drives
• You require redundant power for reliability
• You are installing into a server rack

Skip if

• You need faster than 1GbE network speeds
• You want pre-installed hard drives
• You prefer a 2.5-inch form factor

Verdict: Synology RS2421RP+ 12-Bay NAS offers strong processing power and ample memory for heavy workloads. It fits users who prioritize storage capacity and power redundancy over high-speed networking.

7

Synology RackStation 12-Bay 48TB NAS

Best for: High-capacity 12-bay rack storage needs

Network Connectivity

4 x 1GbE

Processor

Ryzen V1500B

RAM Capacity

32GB DDR4 ECC SODIMM

Included Storage

48TB

View on Amazon: Synology RackStation 12-Bay 48TB NAS Affiliate link

This Synology RackStation RS2421RP+ offers 48TB of pre-installed storage across 12 bays. It uses a Ryzen V1500B quad-core processor and 32GB of ECC memory. The unit includes four 1GbE ports and redundant power supplies. It is designed for high-performance roles like backup and file storage. You get a sealed box with drives included, though installation is required. This model suits users needing high capacity and reliability.

Pros

• 48TB storage capacity with 12x 4TB HDDs included
• Ryzen V1500B 4-Core 2.2GHz CPU
• 32GB DDR4 ECC SODIMM memory
• Redundant power supplies for protection
• Four 1GbE LAN ports with failover support

Cons

• 1GbE network speed limits large file transfers
• Requires manual installation of drives and memory
• No mention of 10GbE network connectivity

Good fit if

• You need 48TB of ready-to-use storage
• You require redundant power for critical data
• You are setting up a 12-bay rack system

Skip if

• You need faster than 1GbE networking
• You want a pre-assembled plug-and-play unit
• You prefer smaller 8-bay form factors

Verdict: Synology RS2421RP+ 48TB NAS is a high-capacity choice for users who prioritize storage volume and power redundancy over network speed. It fits those building a substantial rack infrastructure.

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• temprium 12 alternatives