Synology 2-Bay Quad-Core NAS 24TB Alternatives: 6 Similar Picks Compared
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You are looking for synology 2 bay quad core NAS 24tb alternatives to find the right storage solution. The Synology DS225+ offers a strong quad-core foundation and high capacity for users prioritizing storage density and future RAM upgrades. It includes 2 GB of expandable DDR4 memory and supports Synology Hybrid RAID for flexible management. The system also features Btrfs file system technology for advanced data protection. These specifications make it a solid choice for high-capacity needs.
However, you might want something else due to different budget constraints or specific performance requirements. Some users prefer more network speed, while others need more RAM for virtual machines. The alternatives were chosen because their specs overlap with the original product. This list compares 6 similar picks that share key features like quad-core processors and two drive bays. You can review each option to see which hardware interface, network connectivity, or storage size best fits your workflow. Each entry provides a clear verdict on who it serves best, helping you decide if a different brand or configuration suits your needs better than the standard 24TB setup.
Our top pick: Synology 2-Bay Quad-Core NAS 24TB.
How each alternative compares
QNAP TS-264 2-Bay Desktop NAS
The QNAP TS-264 shares the Intel Celeron quad-core processor but adds M.2 NVMe support for faster caching. It offers 5GbE and 2.5GbE ports, matching the Synology DS225+ network capabilities while providing a desktop form factor. You gain performance-focused features and expansion options, but you give up the specific Synology ecosystem. This model suits users who prioritize raw speed and hardware versatility over brand-specific software integration. It is a strong choice if you need flexible storage tiers beyond just the main drive bays.
Synology 2-Bay 24TB NAS with Hard Drives
This Synology DS223j model provides 24TB of storage but relies on 1GbE connectivity, which is slower than the 5GbE port found in the DS225+. It targets home users who value simple management and data safety over high-speed network transfers. You save on network hardware requirements but accept lower throughput for large file moves. The setup is ready-to-use without configuring individual drives, making it ideal for those who want stability and ease of use. If your workflow does not demand gigabit-plus speeds, this model offers a straightforward, high-capacity solution with minimal complexity.
TerraMaster F2-423 2-Bay NAS
The TerraMaster F2-423 stands out with 4GB of RAM, double the capacity of the Synology DS225+. It includes both 5GbE and 2.5GbE ports, ensuring fast network connectivity similar to the top pick. This extra memory benefits users running virtual machines or multitasking heavily. You trade the Synology brand ecosystem for more processing headroom and network flexibility. This NAS fits those who prioritize hardware specifications and multitasking power over established software features. It is the best option if you need robust RAM for demanding applications alongside high-speed network access.
Synology 2-Bay 8TB NAS
The Synology DS223j 8TB model offers 2GB of RAM and 1GbE connectivity, matching the base RAM of the DS225+ but with significantly less storage. It is designed for basic home file storage where stability is more important than raw speed. You give up the 24TB capacity and the 5GbE port for a more affordable entry-level experience. This model suits users who do not need high-capacity storage or fast network transfers. It provides a reliable foundation for light usage, focusing on simplicity and consistent performance rather than high-end specifications or large data volumes.
Synology DS223j 36TB 3.5 inch NAS
The Synology DS223j 36TB model offers higher capacity with 36TB of storage using 3.5-inch drives. It retains 1GbE connectivity, which is slower than the DS225+ 5GbE port. This model prioritizes energy efficiency and compact design in a white chassis. You gain more storage space but lose network speed and the specific RAM upgrade path of the DS225+. It fits users who need maximum capacity in a small form factor without requiring fast network transfers. This is a practical choice for archival storage or media libraries where speed is less critical than volume and power consumption.
Synology 2-Bay 24TB Desktop NAS
The Synology DS224+ 24TB model provides high capacity and decent processing power but relies on 1GbE connectivity. It lacks the 5GbE port found in the DS225+, limiting network throughput. This model suits users who prioritize storage volume and energy efficiency over raw network speed. You get a solid quad-core foundation but accept slower data transfers across the network. It is a good option if your primary need is large storage capacity and you do not frequently move large files between devices on your local network. It balances capacity and performance for standard home or small office use.
Quick picks
Our 7 picks
Synology 2-Bay Quad-Core NAS 24TB
Best for: High-capacity 2-bay storage needs
- Drive Bays
- 2-Bay
- Processor
- Intel Celeron J4125 Quad-Core
- RAM Capacity
- 2 GB DDR4 non-ECC SODIMM
- Included Storage
- 24TB
- RAID Support
- Synology Hybrid RAID (SHR)
- Network Connectivity
- 5GbE, 1GbE
View on Amazon: Synology 2-Bay Quad-Core NAS 24TB Affiliate link
The Synology DS225+ is a 2-bay NAS with a 24TB capacity and an Intel Celeron J4125 quad-core processor. It includes 2 GB of DDR4 RAM, expandable to 6 GB, and features 2.5 GbE networking. This unit supports Synology Hybrid RAID and Btrfs snapshots. It suits users needing high local storage and flexible expansion for home or small office data management.
Pros
- 24TB included storage capacity
- Intel Celeron J4125 quad-core processor
- RAM expandable up to 6 GB
- 2.5 GbE network connectivity
Cons
- Only two drive bays
- Non-ECC DDR4 RAM
- No mention of USB ports
Good fit if
- You need 24TB of pre-installed storage
- You want to expand RAM later
- You require fast 2.5 GbE networking
Skip if
- You need more than two drive bays
- You require ECC memory for critical data
- You prefer USB connectivity options
Verdict: Synology DS225+ 24TB NAS offers a solid quad-core foundation and high capacity for users prioritizing storage density and future RAM upgrades over multi-bay flexibility.
QNAP TS-264 2-Bay Desktop NAS
Best for: Performance-focused 2-bay setups
- Drive Bays
- 2 Bay
- Network Connectivity
- Dual 2.5GbE
- Processor
- Intel Celeron N5105/N5095
- RAM Capacity
- 8GB DDR4
- M.2 NVMe Slots
- Dual M.2 PCIe Gen3x1
- Included Storage
- Diskless
View on Amazon: QNAP TS-264 2-Bay Desktop NAS Affiliate link
This QNAP 2-bay NAS features an Intel Celeron N5105/N5095 quad-core processor and 8GB of DDR4 RAM. It includes dual 2.5GbE ports for faster network transfers and two M.2 NVMe slots for cache or storage. The unit weighs 5.11 pounds and offers multiple USB 3.2 Gen 2 ports. It suits users needing high performance and expandability in a desktop form factor.
Pros
- 8GB DDR4 RAM for smooth multitasking
- Dual 2.5GbE network ports
- Dual M.2 NVMe SSD slots
- Intel Celeron quad-core processor
Cons
- Larger footprint than compact alternatives
- Higher price point than budget models
- No mention of included hard drives
Good fit if
- You need fast network transfers
- You want NVMe storage options
- You require ample RAM
Skip if
- You want a compact size
- You prefer budget pricing
- You need included drives
Verdict: QNAP TS-264 2-Bay NAS delivers strong specs for users needing speed and expansion. It fits those prioritizing performance over compact size.
Synology 2-Bay 24TB NAS with Hard Drives
Best for: Home users needing 24TB storage
- Drive Bays
- 2-Bay
- Network Connectivity
- 1x 1GbE
- Processor
- Realtek RTD1619B
- RAM Capacity
- 1GB DDR4
- Included Storage
- 24TB
- Processor Cores
- Quad-Core
View on Amazon: Synology 2-Bay 24TB NAS with Hard Drives Affiliate link
The Synology DS223j is a 2-bay NAS bundle including 24TB of storage. It uses a Realtek RTD1619B quad-core processor and 1GB of DDR4 RAM. You get a single 1GbE LAN port and two USB 3.2 ports. This setup suits users who need reliable file sharing and basic surveillance without needing high-speed network transfers.
Pros
- Includes 24TB of storage capacity
- Realtek RTD1619B quad-core CPU
- 1GB DDR4 system memory
- Dual USB 3.2 Gen 1 ports
Cons
- Single 1GbE network port limits throughput
- Only 1GB of RAM for multitasking
- Heavier build at 6.85 pounds
Good fit if
- You need a complete 24TB storage solution
- You prioritize Synology software stability over speed
- You run basic file backup tasks
Skip if
- You require 2.5GbE network speeds
- You need expandable RAM for heavy workloads
- You want a compact desktop footprint
Verdict: Synology DS223j 24TB NAS provides a solid entry point for home users who value data safety and simple management over raw performance. It fits those who want a ready-to-use storage system without configuring individual drives.
TerraMaster F2-423 2-Bay NAS
Best for: users needing 4GB RAM and 2.5GbE ports
- Drive Bays
- 2-Bay
- Network Connectivity
- Two 2.5GbE Ports
- Processor
- Celeron N5095 Quad-Core
- RAM Capacity
- 4GB DDR4
- M.2 NVMe Slots
- 2 slots
- Included Storage
- No Hard Drive Included
View on Amazon: TerraMaster F2-423 2-Bay NAS Affiliate link
This TerraMaster F2-423 is a 2-bay NAS driven by an Intel Celeron N5095 quad-core processor. It includes 4GB of DDR4 RAM, which is the highest in this comparison. The unit features two 2.5GbE ports for fast network transfers and dual M.2 NVMe slots for caching. It supports RAID 0 and 1 configurations. This model suits users needing strong processing power and ample memory for virtualization tasks.
Pros
- 4GB DDR4 RAM capacity
- Intel Celeron N5095 quad-core processor
- Two 2.5GbE network ports
- Dual M.2 NVMe SSD slots
Cons
- Only 4GB RAM limits heavy multitasking
- No 10GbE network port
- Proprietary TOS operating system
Good fit if
- You need 4GB RAM for virtual machines
- You want fast 2.5GbE network speeds
- You require NVMe caching support
Skip if
- You require 10GbE connectivity
- You prefer Synology DSM software
- You need more than 4GB RAM
Verdict: TerraMaster F2-423 2-Bay NAS offers the best RAM in this group for users running virtual machines or heavy multitasking. It fits those prioritizing processing power and network speed over brand ecosystem.
Synology 2-Bay 8TB NAS
Best for: Basic home file storage
- Drive Bays
- 2-Bay
- Network Connectivity
- 1 x RJ-45 1GbE
- Processor
- Realtek RTD1619B
- RAM Capacity
- 2 GB DDR4
- Included Storage
- 8TB
- Processor Cores
- Quad-Core
View on Amazon: Synology 2-Bay 8TB NAS Affiliate link
The Synology DS223j is a 2-bay NAS with a Realtek RTD1619B quad-core processor and 2 GB of DDR4 RAM. It comes with 8TB of storage. This unit includes one 1GbE LAN port and three USB 3.2 ports. It supports hot-swappable drives. You should choose this if you need reliable storage without high performance demands.
Pros
- Realtek RTD1619B quad-core 1.7 GHz processor
- 2 GB DDR4 non-ECC RAM
- Three USB 3.2 Gen 1 ports
- Hot-swap drive support
Cons
- Single 1GbE LAN port limits speed
- Only 2 GB of RAM
- 8TB included storage is modest
Good fit if
- You need basic file storage
- You want a simple 2-bay setup
- You prefer Synology software
Skip if
- You need 10GbE networking
- You require expandable RAM
- You want more than 8TB
Verdict: Synology DS223j 2-Bay NAS 8TB offers solid entry-level performance for home users. It fits those who value stability over raw speed.
Synology DS223j 36TB 3.5 inch NAS
Best for: high-capacity 2-bay storage with low power use
- Drive Bays
- 2-Bay
- Network Connectivity
- 1 x 1GbE
- Processor
- RTD1619B 4-Core 1.7GHz
- RAM Capacity
- 1GB DDR4
- Included Storage
- 36TB
- Form Factor
- 3.5 Inch
View on Amazon: Synology DS223j 36TB 3.5 inch NAS Affiliate link
The Synology DS223j is a 2-bay NAS drive with a quad-core 1.7GHz RTD1619B processor and 1GB of DDR4 memory. It comes with 36TB of storage using two 18TB 3.5-inch hard drives. This unit connects via a single 1GbE port. It uses the Btrfs file system for data protection. This model suits users who need high capacity and energy efficiency in a compact white chassis.
Pros
- Includes 36TB of storage with two 18TB 3.5-inch HDDs
- Quad-core 1.7GHz RTD1619B processor for efficient operation
- Low energy consumption at 17.3W during operation
- Btrfs file system with snapshot technology for data protection
Cons
- Only one 1GbE network port limits bandwidth
- 1GB of memory is lower than many competing models
- Requires separate installation of hard drives
Good fit if
- You need maximum storage capacity in a 2-bay form factor
- You prioritize energy efficiency for always-on data management
- You want Synology's Btrfs file system for data safety
Skip if
- You require 2.5GbE or faster network connectivity
- You need more than 1GB of RAM for heavy multitasking
- You want a pre-installed drive setup without assembly
Verdict: Synology DS223j 36TB NAS fits users who need high capacity and energy efficiency in a compact white chassis. It is not suitable for those requiring faster network speeds or more RAM.
Synology 2-Bay 24TB Desktop NAS
Best for: Users needing 24TB storage and 1GbE connectivity
- 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
The Synology DS224+ is a 2-bay NAS with a 24TB storage capacity. It uses a Celeron J4125 quad-core processor and includes 6GB of DDR4 RAM. This setup helps with fast file indexing and web app performance. It features two 1GbE ports for standard network connections. You get a reliable solution for home or small office data management with efficient power usage.
Pros
- Includes 24TB of SATA HDD storage
- 6GB DDR4 RAM for better multitasking
- Celeron J4125 2.0GHz quad-core CPU
- Low 15-watt operational power usage
Cons
- Only 1GbE network ports, no 2.5GbE
- No mention of 2.5GbE expansion capability
- RAM capacity is lower than some competitors
Good fit if
- You need 24TB of pre-installed storage
- You want fast indexing for photos and files
- You prefer efficient power consumption
Skip if
- You require 2.5GbE network speeds
- You need more than 2 drive bays
- You want a larger RAM upgrade path
Verdict: Synology DS224+ 24TB NAS is a solid choice for users who need high capacity and decent processing power without needing ultra-fast networking. It suits those prioritizing storage volume and energy efficiency over raw network throughput.
Specifications side by side
| Spec | Synology 2-Bay Quad-Core NAS 24TB | QNAP TS-264 2-Bay Desktop NAS | Synology 2-Bay 24TB NAS with Hard Drives | TerraMaster F2-423 2-Bay NAS | Synology 2-Bay 8TB NAS | Synology DS223j 36TB 3.5 inch NAS | Synology 2-Bay 24TB Desktop NAS |
|---|---|---|---|---|---|---|---|
| Drive Bays | 2-Bay | 2 Bay | 2-Bay | 2-Bay | 2-Bay | 2-Bay | not stated |
| Network Connectivity | not stated | Dual 2.5GbE | 1x 1GbE | Two 2.5GbE Ports | 1 x RJ-45 1GbE | 1 x 1GbE | 2 x 1GbE |
| Processor | Intel Celeron J4125 Quad-Core | Intel Celeron N5105/N5095 | Realtek RTD1619B | Celeron N5095 Quad-Core | Realtek RTD1619B | RTD1619B 4-Core 1.7GHz | Celeron J4125 4-Core 2.0GHz |
| RAM Capacity | 2 GB DDR4 non-ECC SODIMM | 8GB DDR4 | 1GB DDR4 | 4GB DDR4 | 2 GB DDR4 | 1GB DDR4 | 6GB DDR4 |
| M.2 NVMe Slots | not stated | Dual M.2 PCIe Gen3x1 | not stated | 2 slots | not stated | not stated | not stated |
| Included Storage | 24TB | Diskless | 24TB | No Hard Drive Included | 8TB | 36TB | 24TB |
| RAID Support | Synology Hybrid RAID (SHR) | not stated | not stated | RAID 0/1 | not stated | not stated | not stated |
| Form Factor | not stated | Desktop | not stated | not stated | not stated | 3.5 Inch | not stated |
| Hardware Interface | not stated | M.2 NVMe | not stated | not stated | not stated | not stated | not stated |
| Number of Bays | 2-Bay | 2-Bay | 2-Bay | 2-Bay | 2-Bay | not stated | not stated |
| Size | 24TB | 2 Bay (Unav.) | 24TB | not stated | 8TB | f) 36TB (2 x 18TB) 3.5" HDD | not stated |
| Processor Cores | Quad-Core | Quad-Core | Quad-Core | Quad-Core | Quad-Core | Quad-Core | not stated |
| Weight | 4.41 pounds | 5.11 pounds | 6.85 pounds | not stated | 6.68 pounds | not stated | not stated |
| Dimensions | not stated | 13 × 9 × 11 inches | 8.86 × 3.94 × 6.5 inches | not stated | 9.17 × 4.25 × 6.5 inches | 12 × 6 × 12 inches | not stated |
| Color | black | Clear | Seagate IronWolf | not stated | Seagate IronWolf | White | black |
| Model | DS225+/24TB-IW | TS-264-8G-US | not stated | not stated | not stated | DS223j | not stated |
Frequently asked questions
Which NAS offers the most RAM for multitasking?
The TerraMaster F2-423 provides 4GB of RAM, the highest in this group. This extra memory supports virtual machines and heavy multitasking better than competitors. Other models like the Synology DS225+ and DS223j include 2GB. You gain processing headroom for demanding workloads without needing external expansion.
Do any models include 5GbE network ports?
Yes, several units feature 5GbE connectivity for faster data transfers. The Synology DS225+, QNAP TS-264, and TerraMaster F2-423 all include 5GbE ports. The QNAP and TerraMaster also offer 2.5GbE options. Models like the DS223j and DS224+ stick to standard 1GbE speeds.
Which drive is best for low power consumption?
The Synology DS223j 36TB is designed for energy efficiency. It uses two 18TB 3.5-inch hard drives in a compact white chassis. This model suits users who need high capacity but do not require fast networking or additional RAM. It prioritizes storage density over raw performance.
Can I use M.2 NVMe drives for caching?
The QNAP TS-264 supports M.2 NVMe hardware interfaces. This allows you to add fast solid-state storage for caching or additional volume management. Other listed NAS drives do not mention NVMe support in their specifications. You gain performance-focused features if you choose the QNAP model.
Which NAS is best for home file storage?
The Synology DS223j 8TB is ideal for basic home needs. It offers solid entry-level performance with 2GB of RAM and 1GbE connectivity. This model fits users who value stability and simple management over raw speed. It provides a ready-to-use system for standard household data backup.
Is there a NAS with 36TB of storage?
The Synology DS223j 36TB model includes two 18TB hard drives. This setup provides high capacity in a compact form factor. It is suitable for users who need large storage volumes with low power use. You do not get ultra-fast networking or extra RAM with this configuration.
Which model is best for high-capacity density?
The Synology DS225+ 24TB is built for storage density. It features a quad-core Intel Celeron processor and 2GB of expandable RAM. This NAS prioritizes future upgrades and high capacity over multi-bay flexibility. It is a strong choice for users needing substantial local storage space.






