Synology DS923+ vs DS423+
The Synology DS923+ and DS423+ are both enterprise-grade NAS devices, but differ significantly in scale and performance. The DS923+ provides nine bays with a faster processor for demanding workloads, while the DS423+ offers a compact four-bay design ideal for small offices and remote sites.
Synology DS923+
A nine-bay NAS appliance with dual-core Intel processor and 4GB RAM (expandable to 16GB). Built for medium to large-scale deployments requiring high performance and substantial storage capacity.
Bays
9
Processor
Intel Celeron N5105
RAM
4GB (up to 16GB)
Max Throughput
~565 MB/s (read)
Release Year
2022
Pros
- Nine bays support up to 108TB raw storage
- Intel Celeron N5105 processor delivers faster performance for multiple concurrent users
- Support for up to 16GB RAM for advanced applications
Cons
- Significantly higher cost than four-bay alternatives
- Larger physical footprint requires more rack or shelf space
- Overkill for single-user or small-team deployments
Synology DS423+
A four-bay NAS appliance with dual-core Intel processor and 2GB RAM (expandable to 8GB). Designed for small offices, remote sites, and departmental deployments with balanced performance and efficiency.
Bays
4
Processor
Intel Celeron N5105
RAM
2GB (up to 8GB)
Max Throughput
~565 MB/s (read)
Release Year
2022
Pros
- Compact form factor fits small office environments and tight spaces
- Lower total cost of ownership for modest storage needs
- Intel Celeron N5105 processor handles small-team workloads efficiently
Cons
- Limited to 48TB raw storage with 3.5-inch drives
- Base 2GB RAM may require upgrade for advanced features
- Cannot scale as easily as larger models for growing demands
Synology DS923+ wins
The DS923+ delivers superior capacity, memory headroom, and multi-user performance, making it the better choice for demanding enterprise deployments.
Synology DS923+
Best for organizations needing high-capacity centralized storage, large teams, and future scalability.
Synology DS423+
Best for small offices, remote sites, and departmental use where space and budget are constrained.
Capacity & Scalability Comparison
Raw Storage Capacity
DS923+ supports nine bays (up to 108TB) versus DS423+ with four bays (up to 48TB), giving the DS923+ more than double the maximum capacity.
Processing Power
Both use the same Intel Celeron N5105 processor, resulting in identical CPU performance; throughput differences depend on workload and network configuration.
Memory Expandability
DS923+ maxes out at 16GB RAM versus DS423+ at 8GB, giving the larger model more room for memory-intensive applications and advanced features.
Physical Space Requirements
DS423+ is significantly more compact and fits in small office environments; DS923+ requires substantial rack or shelf space due to its nine-bay form factor.
Cost-to-Capacity Ratio
DS423+ offers better value per TB for modest storage needs; DS923+ is more economical only when deploying large storage volumes across many users.
Enterprise Deployment Suitability
DS923+ is purpose-built for medium-to-large teams requiring multi-user access and high availability; DS423+ excels in departmental or remote site roles.
Technical Specifications
| Aspect | Synology DS923+ | Synology DS423+ |
|---|---|---|
| Drive Bays | 9 (3.5" or 2.5") | 4 (3.5" or 2.5") |
| Processor | Intel Celeron N5105 (2-core) | Intel Celeron N5105 (2-core) |
| Base RAM | 4GB DDR4 | 2GB DDR4 |
| Max RAM | 16GB DDR4 | 8GB DDR4 |
| Max Throughput (Read) | ~565 MB/s | ~565 MB/s |
| Typical Use Case | Medium to large teams | Small teams and remote sites |
Use Case Alignment
The DS923+ is engineered for organizations requiring substantial centralized storage, heavy concurrent user loads, and future expansion—such as video production studios, large backup repositories, or enterprise departmental storage. The DS423+ is ideal for small businesses, branch offices, remote teams, and specialized backup appliances where space, budget, and initial capacity align with modest throughput demands and small-team workflows.
When to choose each
Choose Synology DS923+ if…
Best for organizations needing high-capacity centralized storage, large teams, and future scalability.
Choose Synology DS423+ if…
Best for small offices, remote sites, and departmental use where space and budget are constrained.
Frequently Asked Questions
The DS423+ is better suited for small offices due to its compact footprint, lower cost, and sufficient performance for typical departmental workloads. The DS923+ would be overkill unless the office operates a media production facility or runs data-intensive applications.
The DS923+ offers nine bays and supports up to 16GB RAM for enterprise-scale deployments, while the DS423+ has four bays and maxes at 8GB RAM, serving smaller teams. Both share the same processor but differ in capacity, scalability, and price.
The DS423+ maxes out at four bays and cannot be expanded further; if your storage needs grow beyond 48TB, you would need to migrate to a larger model like the DS923+. Plan your capacity requirements carefully before purchase.
Sources & references
Suggested sources to verify product details, pricing, reviews, and specifications.
- ReferenceNAS Compares - Synology DS923+ NAS Review - Hardware, DSM Apps, 10GbE, NVMe Storage Pools, Plex & EVERYTHING Else! | SynoForum.com - The Unofficial Synology Forum
NAS Compares CHEAP 10GbE Adapter for Synology DS923+, DS1522+, DS723+, DS1522+ NAS - Should You Buy?
- ReferenceSynology DS923+ NAS Review, Part I | Nothing a Jameson can't fix
At this point it is running an integral part of my Homelab as well as servicing all the different devices floating aroun
- ReferenceSynology DiskStation DS923+ Review - Review 2023 - PCMag Middle East
... The Synology DiskStation DS923+ is <strong>a capable four-bay NAS that offers brisk file transfers and a wide variet