4-bay desktop NAS
Synology DS423 4-bay Desktop NAS
A four-bay network attached storage system for centralising files, private cloud access, backup, media organisation and supported surveillance workflows.
- Processor
- Realtek RTD1619B
- Memory
- 2 GB DDR4 non-ECC
- Drive bays
- 4
- Networking
- 2 × 1GbE
Bring scattered data into one organised private cloud
The Synology DS423 helps homes and small teams collect files from computers, phones and external storage in one managed location. Synology Drive supports multi-device access, on-demand sync and cross-site file sharing, while the four-bay design provides room to plan a practical protected-storage layout.
Four-bay storage
Use four supported SATA drive bays to centralise growing file, photo and backup collections.
Multi-device access
Browse, edit and share files through desktop, mobile or browser-based Synology tools.
On-demand sync
Keep frequently used files available while reducing the local space used on connected devices.
Cloud integration
Maintain local copies of selected data from supported public-cloud services for centralised management.
Cross-site sharing
Synchronise shared data between supported Synology systems for distributed teams.
Data-protection platform
Use supplied DSM backup and snapshot capabilities to help protect important business and personal files.
Who is the Synology DS423 best for?
A strong choice for
- Home and small-office private cloud storage
- Shared files across several devices
- Photo and media library organisation
- Centralised computer and mobile backups
- Small surveillance deployments
Consider another model if you need
- You need built-in 2.5GbE or 10GbE networking
- You require more than four drive bays
- You need expandable system memory
- Your workload requires a higher-performance x86 platform
Key specifications
- Model
- DS423
- Product type
- 4-bay desktop NAS
- Processor
- Realtek RTD1619B
- CPU cores
- 4
- CPU frequency
- 1.7 GHz
- System memory
- 2 GB DDR4 non-ECC
- Drive bays
- 4
- Drive categories
- | 3.5" SATA HDD; 2.5" SATA SSD
- Built-in network
- 2 × 1GbE
- USB ports
- 2 × USB 3.2 Gen 1
- Dimensions
- Not specified
- Weight
- 2.21 kg
- Warranty
- 2-year hardware warranty, extendable to 4 years with extended warranty plus
Full technical specifications
Processor, memory and storage
| CPU Model | Realtek RTD1619B |
|---|---|
| CPU Quantity | 1 |
| CPU Core | 4 |
| CPU Threads | 4 |
| CPU Architecture | 64-bit |
| CPU Frequency | 1.7 GHz |
| Hardware Encryption Engine | Supported |
| System Memory | 2 GB DDR4 non-ECC |
| Memory notes | Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. |
| Drive Bays | 4 |
| Drive Type | | 3.5" SATA HDD; 2.5" SATA SSD |
| Hot Swappable Drive* | Supported |
Network, ports and expansion
| RJ-45 1GbE LAN Port | 2 |
|---|---|
| USB 3.2 Gen 1 Port* | 2 |
| External Ports notes | | This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes.; The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. |
Physical design and power
| Size (Height × Width × Depth) | 184 mm × 168 mm × 230 mm |
|---|---|
| Weight | 2.21 kg |
| System Fan | 80 mm × 80 mm × 2 pcs |
| Fan Speed Mode | | Full-Speed Mode; Cool Mode; Quiet Mode |
| Brightness Adjustable Front LED Indicators | Supported |
| Power Recovery | Supported |
| Noise Level* | 20.6 dB(A) |
| Scheduled Power On / Off | Supported |
| Wake on LAN / WAN | Supported |
| Power Supply Unit / Adapter | 90 watts |
| AC Input Power Voltage | 100V to 240V AC |
| Power Frequency | 50/60 Hz, Single Phase |
| Power Consumption | 32.41 watts (Access); 4.97 watts (HDD Hibernation) |
| British Thermal Unit | 110.52 BTU/hr (Access); 16.95 BTU/hr (HDD Hibernation) |
| Others notes | |; | Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75°C; Humidity: 58.2-61.8% |
Environment, warranty and package
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
|---|---|
| Storage Temperature | -20°C to 60°C (-5°F to 140°F) |
| Operating Humidity | 8% to 80% RH |
| Storage Humidity | 5% to 95% RH |
| Certification | | FCC; CE; BSMI; VCCI; RCM; UKCA; EAC; CCC; KC; BIS |
| Warranty | 2-year hardware warranty, extendable to 4 years with extended warranty plus |
| Warranty notes | | The warranty period starts from the purchase date as stated on your purchase receipt. | |
| Environment | RoHS Compliant |
| Packaging Content | | Main Unit X 1; Accessory Pack X 1; AC Power Adapter X 1; AC Power Cord X 1; RJ-45 LAN Cable X 2; Quick Installation Guide X 1 |
Frequently asked questions about the Synology DS423
What is the Synology DS423?
The Synology DS423 is a 4-bay desktop NAS for home and small-office private cloud storage, shared files across several devices, photo and media library organisation.
Which processor is in the Synology DS423?
It uses the Realtek RTD1619B with 4 cores at 1.7 GHz.
How much memory does the Synology DS423 include?
It includes 2 GB DDR4 non-ECC. No higher memory capacity is stated in the verified hardware specification.
How many drive bays does the Synology DS423 have?
It has 4 internal drive bays.
Which drive types does the Synology DS423 support?
| 3.5" SATA HDD; 2.5" SATA SSD. Confirm exact drive models on Synology’s compatibility list.
What networking is built into the Synology DS423?
The verified built-in network interfaces are 2 × 1GbE.
What external ports does the Synology DS423 provide?
It provides 2 USB 3.2 Gen 1 ports alongside 2 × 1GbE.
Does the Synology DS423 include storage drives?
No. This listing identifies the Synology DS423 as diskless, so compatible drives are selected separately.
What are the Synology DS423 dimensions?
It measures Not specified and weighs 2.21 kg.
What warranty applies to the Synology DS423?
Synology specifies 2-year hardware warranty, extendable to 4 years with extended warranty plus. Warranty-extension availability depends on region.
- DS423 is listed as diskless; compatible storage drives are selected separately.
- Confirm exact drives, memory and accessories on Synology’s compatibility list for DS423.
- Actual usable capacity and performance depend on installed drives, storage configuration, workloads and network environment.
