Synology RackStation 12-Bay 48TB NAS Alternatives: 6 Similar Picks Compared

Comparing 6 Synology NAS Alternatives

Synology DS723+ 2-Bay Ryzen NAS

The Synology DS723+ shifts from a 12-bay rackmount chassis to a compact 2-bay desktop unit. You trade high-density storage for a smaller footprint suitable for home offices or small workgroups. Both units share the same AMD Ryzen processor and 32GB of RAM, ensuring comparable processing power for virtualization tasks. The key difference lies in connectivity and expansion. The DS723+ includes M.2 NVMe slots for caching, which the RS2421RP+ lacks in its standard configuration. You give up the redundant power supplies and 12-bay capacity of the original. This model suits users who need substantial RAM and fast caching but do not require enterprise-grade rack mounting or massive raw storage capacity.

Synology 1U 4-Bay Rackmount NAS with 48TB

The Synology RackStation RS822+ reduces the bay count from 12 to 4, creating a much smaller 1U form factor. It retains the 32GB RAM and AMD Ryzen processor found in the original, maintaining strong performance for edge computing tasks. You sacrifice significant storage capacity, as this unit holds far less data than the 48TB RS2421RP+. However, the compact size makes it ideal for branch offices or small business environments where space is limited. Both units offer 1GbE networking and redundant power options. This alternative is best for users who need reliable, memory-rich storage for surveillance or file serving but cannot accommodate a full 2U rack server. It prioritizes physical size over raw storage density.

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

Similar to the RS822+, this model is a 4-bay 1U rackmount NAS. It shares the same 32GB RAM, AMD Ryzen processor, and 1GbE connectivity as the original 12-bay unit. The primary difference is the drastic reduction in storage bays. You lose eight drive slots, meaning significantly lower total storage capacity. The chassis is described as compact, fitting tight spaces where a 2U server would not fit. This unit is designed for edge storage scenarios where processing power and memory are more critical than sheer storage volume. It serves small businesses needing reliable hardware for virtualization or backup roles without the bulk of a 12-bay system. Choose this if you need high RAM and CPU power in a minimal footprint.

Synology RackStation 12-Bay 216TB NAS

This alternative is the same RS2421RP+ model but configured with 216TB of storage instead of 48TB. You gain massive capacity while keeping the identical Ryzen V1500B processor, 32GB ECC RAM, and redundant power supplies. The 12-bay form factor and 1GbE networking remain unchanged. The main difference is the pre-installed storage volume, which scales up from 48TB to 216TB. This unit suits users who need the same hardware reliability but require significantly more space for archives or large datasets. You do not get faster networking or a different CPU. It is the ideal choice for enterprises that prioritize raw storage capacity and stability over network speed, utilizing the same robust chassis and power redundancy as the original pick.

Synology RackStation 12TB SSD NAS

This RS2421RP+ variant swaps the 48TB of HDDs for 12TB of SSDs. You gain significantly faster read and write speeds due to the solid-state drives, which is beneficial for high-performance enterprise backup and file storage. The processor, RAM, and redundant power supplies remain the same. However, you sacrifice total storage capacity, as 12TB is much less than 48TB. The 1GbE networking is also unchanged, so network bandwidth remains a bottleneck regardless of storage speed. This model is best for users who prioritize SSD speed and low latency over raw capacity. It fits scenarios where fast data access is critical, and the reduced storage volume is acceptable. You trade volume for velocity within the same reliable chassis.

Synology 12-Bay Rackmount NAS with 24TB Storage

This RS2421RP+ configuration offers 24TB of storage, which is half the capacity of the original 48TB model. It retains the same 32GB ECC RAM, Ryzen V1500B processor, and redundant power supplies. The 12-bay rackmount design and 1GbE networking are identical. You give up 24TB of storage space but keep the same processing power and reliability features. This unit suits users who need the same enterprise-grade hardware for virtualization or backup but require less total storage capacity. It is a mid-tier option between the SSD model and the high-capacity HDD model. Choose this if you want the robust RS2421RP+ chassis and specs but do not need the maximum 48TB storage volume available in the original recommendation.

Quick picks

Our 7 picks

1 Best overall

Synology RackStation 12-Bay 48TB NAS

Best for: Enterprise storage with redundancy

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+ server provides high-capacity storage and robust performance for enterprise environments. It features an AMD Ryzen V1500B 4-core processor and 32GB of DDR4 ECC memory. The unit includes 48TB of pre-installed SATA hard drives and four 1GbE LAN ports. You get redundant power supplies and sliding rails for reliable operation. This setup suits teams needing secure file storage, virtualization, and backup solutions.

Pros

• Includes 48TB of storage across 12 bays
• Powered by AMD Ryzen V1500B 4-core CPU
• Equipped with 32GB DDR4 ECC memory
• Features redundant power supplies for reliability
• Comes with sliding rail kit for easy installation

Cons

• Limited to 1GbE network connectivity
• Requires manual installation of hard drives and memory
• No mention of 10GbE or higher network options

Good fit if

• You need a pre-configured 48TB storage solution
• You require redundant power for critical data
• You plan to run virtual machines or backups

Skip if

• You need 10GbE or faster network speeds
• You want a plug-and-play setup without assembly
• You prefer a compact desktop form factor

Verdict: Synology RS2421RP+ 12-Bay 48TB NAS offers a ready-to-use high-capacity server with ECC memory and redundant power. It fits businesses that prioritize data protection and virtualization over raw network speed.

2 Best budget

Synology DS723+ 2-Bay Ryzen NAS

Best for: Users needing high RAM and 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 32GB of DDR4 ECC memory and a Ryzen R1600 2.6GHz CPU. It includes 20TB of SATA HDD storage and 1TB of M.2 NVMe SSD cache. This setup supports home data backup and file syncing. It suits users needing high-capacity storage with robust memory for rigorous workloads. The 1GbE network ports provide standard connectivity for most home offices.

Pros

• 32GB DDR4 ECC SODIMM memory capacity
• Ryzen R1600 2.6GHz CPU with 3.1GHz turbo
• 20TB SATA HDD storage included
• 1TB M.2 NVMe SSD cache included

Cons

• 1GbE network ports limit transfer speeds
• Only 2 drive bays available
• Requires manual installation of drives and memory

Good fit if

• You need 32GB of RAM for virtual machines
• You want pre-installed high-capacity storage
• You require NVMe SSD caching

Skip if

• You need 10GbE network speeds
• You want a 12-bay rackmount chassis
• You prefer a pre-assembled unit

Verdict: Synology DS723+ 32GB RAM NAS is a strong choice for users who need substantial RAM and fast NVMe caching in a compact 2-bay form factor, rather than the high-density 12-bay rack options listed.

3 Also great

Synology 1U 4-Bay Rackmount NAS with 48TB

Best for: Small business edge storage and surveillance

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 RackStation RS822+ is a compact 1U 4-bay NAS with a Ryzen R1500B processor and 32GB ECC memory. It includes 48TB of storage across four 12TB drives. You get four 1GbE ports for connectivity. This all-in-one edge solution suits small businesses needing data protection and surveillance. It handles daily management and backup tasks efficiently.

Pros

• Includes 48TB storage with four 12TB drives
• 32GB DDR4 ECC UDIMM memory for stability
• Ryzen R1500B 4-core 2.2GHz CPU
• Four 1GbE LAN ports for connectivity
• Compact 1U 4-bay form factor

Cons

• Only four drive bays limit expansion
• 1GbE ports lack high-speed networking
• Memory and drives require separate installation

Good fit if

• You need a compact edge storage unit
• You require ECC memory for reliability
• You want built-in surveillance capabilities

Skip if

• You need more than four drive bays
• You require 10GbE network connectivity
• You prefer pre-installed drives and RAM

Verdict: The Synology RackStation RS822+ 48TB NAS fits small businesses needing a compact, reliable edge storage solution with ample RAM and surveillance features.

4 Also great

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

Best for: compact branch office edge storage

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 4-bay NAS built for branch offices. It features a Ryzen R1500B 4-core 2.2GHz CPU and 32GB of DDR4 ECC memory. The unit includes 8TB of SATA 2.5-inch SSD storage for fast access. It connects via four 1GbE LAN ports. This all-in-one edge storage solution suits small to medium-sized businesses needing reliable data management and backup.

Pros

• Ryzen R1500B 4-core 2.2GHz processor
• 32GB DDR4 ECC SODIMM memory
• Includes 8TB (4 x 2TB) SATA 2.5-inch SSDs
• Four 1GbE LAN ports
• Compact 1U form factor

Cons

• Only four drive bays
• 1GbE network ports limit throughput
• No mention of redundant power supplies

Good fit if

• You need a compact edge storage unit for a branch office
• You require 32GB of ECC memory for stability
• You want pre-installed SSDs for fast access

Skip if

• You need more than four drive bays
• You require 10GbE or faster network connectivity
• You are looking for a full 12-bay rack solution

Verdict: Synology RS822+ 4-Bay Edge NAS is a solid choice for small businesses needing a compact, memory-rich edge storage server with fast SSDs. It fits well where space is tight and high-speed networking is not the primary requirement.

5 Best premium

Synology RackStation 12-Bay 216TB NAS

Best for: High-capacity storage with redundant power

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 Synology RackStation unit offers 12 drive bays and 216TB of pre-installed storage. It uses a Ryzen V1500B processor and 32GB of ECC memory. The chassis includes redundant power supplies and four 1GbE LAN ports. It suits users needing high-capacity file storage or backup roles. You get a sealed box with drives included, though installation is required.

Pros

• Includes 12 x 18TB SATA HDDs for 216TB total capacity
• Ryzen V1500B 4-Core 2.2GHz CPU for processing tasks
• 32GB DDR4 ECC SODIMM memory for stability
• Redundant power supplies for extra protection
• Four 1GbE LAN ports with link aggregation support

Cons

• Limited to 1GbE network speeds instead of 10GbE
• Requires manual installation of drives and memory
• No 10GbE expansion card included in the box

Good fit if

• You need 216TB of storage without buying drives separately
• You require redundant power for critical data
• You want ECC memory for system stability

Skip if

• You need 10GbE networking speeds
• You want a pre-assembled unit with no installation
• You require more than 12 drive bays

Verdict: Synology RS2421RP+ 12-Bay 216TB NAS provides massive pre-installed storage and redundant power for users who prioritize capacity and stability over high-speed networking.

6 Also great

Synology RackStation 12TB SSD NAS

Best for: Enterprise backup and file 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

The Synology RS2421RP+ is a 12-bay server built for high-performance roles like backup and file storage. It includes a Ryzen V1500B 4-core 2.2GHz processor and 32GB of DDR4 ECC memory. The unit comes with 12TB of SATA 2.5-inch SSD storage and four 1GbE LAN ports. It features redundant power supplies and a Btrfs file system for advanced services. This setup suits users needing fast, reliable enterprise-grade storage.

Pros

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

Cons

• 1GbE network ports limit throughput compared to 10GbE options
• Requires separate installation of drives and memory
• No mention of 10GbE expansion capabilities

Good fit if

• You need redundant power for critical data
• You require fast SSD storage speeds
• You are setting up a high-performance server

Skip if

• You need 10GbE network speeds
• You want a pre-assembled unit
• You prefer smaller form factors

Verdict: Synology RS2421RP+ 12-Bay NAS offers robust specs for enterprise tasks but lacks 10GbE networking. It fits users who prioritize SSD speed and power redundancy over network bandwidth.

7

Synology 12-Bay Rackmount NAS with 24TB Storage

Best for: 12-bay enterprise storage and virtualization

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 server built for high-performance roles like backup and file storage. It features a Ryzen V1500B 4-core 2.2GHz CPU and 32GB of DDR4 ECC memory. The unit includes 24TB of SATA 3.5-inch HDD storage and four 1GbE LAN ports. It supports link aggregation and redundant power supplies for reliability. This model suits users needing robust hardware for domain controllers or virtualization.

Pros

• Ryzen V1500B 4-core 2.2GHz processor
• 32GB DDR4 ECC SODIMM memory
• 24TB SATA 3.5-inch HDD storage
• Four 1GbE LAN ports with link aggregation
• Redundant power supply support

Cons

• Includes only 24TB of storage
• Limited to 1GbE network speeds
• Requires separate installation of drives and memory

Good fit if

• You need 12 drive bays for large capacity
• You require ECC memory for data integrity
• You want redundant power for critical servers

Skip if

• You need 10GbE or higher network speeds
• You want pre-installed drives for immediate use
• You prefer a smaller 2-bay or 4-bay unit

Verdict: Synology RackStation RS2421RP+ 12-Bay NAS provides strong processing power and ample memory for enterprise tasks. It fits teams needing scalable storage and reliable hardware for virtualization or backup roles.

Specifications side by side

Frequently asked questions

See also

• manastin 12 alternatives
• westinghouse 12 alternatives