Synology 2U Rackmount Redundant Power vs Synology 12-Bay Redundant Power Expansion: Spec Comparison
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This synology rx1217rp redundant power expansion vs rx1223rp 12 bay comparison highlights two diskless rackmount units. Both offer redundant power supplies and DSM management for seamless online volume expansion. They share a black finish and plug-and-use design. The main difference lies in their physical footprint and drive capacity. The RX1217RP is a compact 2U unit, while the RX1223RP provides twelve drive bays in a larger chassis. You need to weigh space constraints against storage density.
Key differences
| Aspect | Synology 2U Rackmount Redundant Power Expansion Unit | Synology 12-Bay Redundant Power Expansion Unit |
|---|---|---|
| Model | RX1217RP | RX1223RP |
| Drive Bays | Not listed | 12-Bay |
| Size | 2U x 24" x 36" | 16.9" x 27.2" x 3.5" |
| Weight | 29.5 pounds | 38.5 pounds |
| Warranty | Not listed | 5-year limited |
Which one should you choose?
Choose Synology 2U Rackmount Redundant Power Expansion Unit if
- You need a compact 2U form factor for tight rack spaces.
- You prefer a lighter unit that weighs 29.5 pounds.
- You already have sufficient drive bays and only need redundant power.
Choose Synology 12-Bay Redundant Power Expansion Unit if
- You require twelve additional drive bays for high capacity.
- You want the explicit 5-year limited warranty coverage.
- You prioritize maximum storage density over minimal physical footprint.
Verdict: Choose the RX1217RP if your rack space is limited and you only need power redundancy. Select the RX1223RP if you need to add twelve drive bays and want the longer warranty. Both units deliver reliable DSM management and redundant power for uptime.
Spec Comparison: RX1217RP vs RX1223RP
Number of Bays
The Synology RX1223RP offers twelve drive bays, allowing you to install up to twelve 3.5-inch or 2.5-inch SATA HDDs or SSDs. This configuration provides significant storage expansion potential for growing data needs. In contrast, the RX1217RP is listed as diskless in its key specifications without a specified bay count in the provided data. This makes the RX1223RP the clear choice if you need a high-density expansion unit with a known, large capacity for additional drives. The twelve-bay design ensures you can scale your storage infrastructure efficiently without needing multiple smaller units.
Physical Dimensions
Physical footprint differs notably between the two units. The RX1217RP measures 17 inches in width, 3.46 inches in height, and 27.4 inches in length. The RX1223RP is wider at 25.7 inches, taller at 8.27 inches, and longer at 32.7 inches. If your rack space is limited, the RX1217RP’s narrower profile might fit better in constrained environments. However, the RX1223RP’s larger dimensions accommodate its twelve bays. You must measure your rack space carefully before purchasing, as the RX1223RP requires significantly more width and height than the RX1217RP.
Weight
Weight is an important factor for rack mounting stability and handling. The RX1217RP weighs 29.5 pounds, making it lighter and potentially easier to install alone. The RX1223RP weighs 38.5 pounds, which is nearly nine pounds heavier. This additional weight reflects the robust chassis needed to support twelve drives. If you are planning to move these units frequently or are concerned about rack load limits, the lighter RX1217RP is easier to manage. For fixed installations, the heavier RX1223RP provides a sturdy base for its expanded storage capacity.
Power Redundancy
Both units feature redundant power supplies, a critical feature for maintaining service uptime in enterprise environments. The RX1217RP uses redundant power supplies to ensure continuous operation even if one unit fails. Similarly, the RX1223RP includes redundant power supplies to prevent single points of failure. This shared specification means both products offer high availability for your data. You can rely on either unit to keep your storage accessible during power supply issues. This feature is essential for both models, ensuring that your online volume expansion remains stable and reliable.
Management Software
Both expansion units are managed through Synology DiskStation Manager (DSM). The RX1217RP allows for plug-and-use design with online volume expansion on the fly, managed directly from DSM. The RX1223RP also utilizes DSM’s unified tools to gain storage expansion in minutes. This shared software integration means the setup process and management interface will be identical for both units. You will experience the same ease of use regardless of which hardware you choose. The seamless integration with your existing Synology NAS system is a key benefit of both models.
Which Synology expansion unit fits you
Existing RX1217RP owners expanding capacity
If you already own an RX1217RP chassis, this unit is your direct match. It shares the same 2U rackmount form factor and dimensions. You can integrate it seamlessly into your current setup without worrying about compatibility or space constraints. The redundant power design ensures consistent uptime alongside your existing hardware.
Users needing maximum drive density
Choose the RX1223RP if you need twelve drive bays for high-capacity storage. It supports up to twelve 3.5-inch or 2.5-inch SATA drives, offering significant expansion potential. This model is ideal for growing data needs where maximizing storage density is a priority over maintaining a specific previous chassis footprint.
New installations prioritizing redundancy
The RX1223RP features redundant power supplies to prevent single points of failure. It allows you to gain storage expansion quickly using DSM tools. For new builds, this unit provides a robust foundation with twelve bays and integrated management, ensuring reliability and ease of use from the start.
The products compared
Synology 2U Rackmount Redundant Power Expansion Unit
Best for: Rackmount storage scaling with redundant power
- Included Storage
- Diskless
- Dimensions
- 27.4 × 17 × 3.46 inches
- Weight
- 29.5 pounds
View on Amazon: Synology 2U Rackmount Redundant Power Expansion Unit Affiliate link
The Synology RX1217RP is a 2U rackmount expansion unit designed for seamless storage upgrades. It features redundant power supplies to maintain service uptime during hardware failures. You manage the device through Synology DiskStation Manager (DSM) for online volume expansion. The chassis measures 17 inches wide and weighs 29.5 pounds. It fits users needing reliable, rack-mounted storage scaling without purchasing additional drives.
Pros
- Redundant power supplies ensure service uptime
- Plug-n-use design for seamless storage upgrades
- Online volume expansion on the fly
- Managed via Synology DiskStation Manager (DSM)
Cons
- Diskless design requires separate drive purchase
- Heavy 29.5-pound chassis for rack mounting
- No mention of included drive bays in specs
Good fit if
- You need redundant power for critical data
- You are expanding an existing Synology rack system
- You manage storage via DSM software
Skip if
- You require a diskless unit with pre-installed drives
- You need a desktop form factor instead of 2U rackmount
- You are looking for a standalone NAS without expansion capabilities
Verdict: Synology 2U Rackmount Redundant Power is a robust expansion chassis for users who prioritize uptime and seamless DSM integration. It suits those already invested in the Synology rack ecosystem who need to scale capacity without downtime.
Synology 12-Bay Redundant Power Expansion Unit
Best for: expanding Synology rackmount NAS storage
- Drive Bays
- 12-Bay
- Included Storage
- Diskless
- Dimensions
- 32.7 × 25.7 × 8.27 inches
- Weight
- 38.5 pounds
View on Amazon: Synology 12-Bay Redundant Power Expansion Unit Affiliate link
The Synology RX1223RP is a diskless 12-bay expansion unit designed for rackmount setups. It adds twelve 3.5-inch or 2.5-inch SATA drive slots to your existing NAS. The unit features redundant power supplies to prevent single points of failure. It integrates via Synology DSM tools for quick setup. This black unit measures 16.9 x 27.2 x 3.5 inches and weighs 38.5 pounds.
Pros
- 12-bay capacity for 3.5 or 2.5-inch SATA drives
- Redundant power supply for reliability
- Integrates with Synology DSM for easy expansion
- Backed by a 5-year limited warranty
Cons
- Sold diskless with no drives included
- Heavy at 38.5 pounds
- Requires existing Synology NAS for operation
Good fit if
- You need to add significant storage to a rackmount Synology NAS
- You require redundant power for critical data
- You want to expand capacity without replacing your main unit
Skip if
- You need a standalone NAS with built-in drives
- You are using a non-Synology NAS system
- You have limited rack space or weight capacity
Verdict: Synology 12-Bay Rack Expansion Unit is a robust storage add-on for users who need to scale their existing Synology rackmount system with high capacity and power redundancy.
Specifications side by side
| Spec | Synology 2U Rackmount Redundant Power Expansion Unit | Synology 12-Bay Redundant Power Expansion Unit |
|---|---|---|
| Drive Bays | not stated | 12-Bay |
| Included Storage | Diskless | Diskless |
| Number of Bays | not stated | 12-Bay |
| Dimensions | 27.4 × 17 × 3.46 inches | 32.7 × 25.7 × 8.27 inches |
| Weight | 29.5 pounds | 38.5 pounds |
| Size | 2U x 24" x 36" | 16.9" x 27.2" x 3.5" |
| Color | Black | Black |
| Model | RX1217RP | RX1223RP |
Frequently asked questions
Does the RX1223RP fit in a standard 19-inch rack?
Yes, the RX1223RP is designed for standard 19-inch racks. Its width is listed at 17 inches, which aligns with typical rackmount spacing. This allows you to install it alongside other compatible Synology rackmount units without requiring custom mounting hardware or adapters.
What is the weight difference between the two units?
The RX1223RP weighs 38.5 pounds, while the RX1217RP weighs 29.5 pounds. This means the newer 12-bay model is 9 pounds heavier. You should account for this additional weight when planning your rack layout or ensuring your rack shelves can support the load.
Can I mix the RX1217RP and RX1223RP in one system?
Both units support DSM integration for seamless management. However, they have different physical dimensions and bay counts. The RX1217RP is a 2U chassis, while the RX1223RP is a 12-bay expansion unit. You can connect them to the same NAS, but they serve different scaling needs.
How tall is the RX1217RP compared to the RX1223RP?
The RX1217RP has a height of 3.46 inches, fitting the 2U rackmount standard. The RX1223RP is taller at 8.27 inches. This significant height difference means they occupy different amounts of vertical rack space, affecting how you stack them in your server room.
Is the RX1223RP larger than the RX1217RP in depth?
Yes, the RX1223RP is deeper. It measures 32.7 inches in length, whereas the RX1217RP measures 27.4 inches. You need to ensure your rack has enough depth to accommodate the longer RX1223RP unit, especially if you have other deep equipment in the same row.
Do both units include redundant power supplies?
Yes, both the RX1217RP and RX1223RP feature redundant power supplies. This design ensures continuous operation if one power unit fails. You get reliable uptime for your storage expansion, which is critical for business environments where data availability is a top priority.