Synology DS223j
Score: 49/100
Synology DS425+
Score: 65/100Rankings
The DS425+ is a 4-bay NAS with 2.5 GbE networking and dual M.2 slots, offering quiet operation and DSM 7.2+ features, aimed at home offices and small businesses.
The DS223j is a compact, entry-level 2-bay NAS powered by a quad-core Realtek processor and 1 GB RAM, offering quiet operation, low power draw, and the full DSM ecosystem for home or small-office use.
| Attribute | Synology DS223j | |
|---|---|---|
— | 80 TBbest | |
2 | 4best | |
1 Gbps | 2.5 Gbpsbest | |
4best | 4best | |
1 GB | 2 GBbest | |
| ↓ lower better | 16.31 Wbest | 28.25 W |
| ↓ lower better | 18.2 dBbest | 21.6 dB |
2 years | 3 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | Synology DS223j | |
|---|---|---|
Security(1) | ||
OS Compatibility | DSM | DSM 7.2+ |
Performance(5) | ||
CPU Model | Realtek RTD1619B | Intel Celeron J4125 |
System Memory (GB) | 1 GB | 2 GB |
Ethernet Speed (Gbps) | 1 Gbps | 2.5 Gbps |
Power Consumption (Active) (W) | 16.31 W | 28.25 W |
Noise Level (dB) | 18.2 dB | 21.6 dB |
Build & Design(3) | ||
Weight (kg) | 0.88 kg | 2.18 kg |
Power Supply Type | External 60W adapter | External 90W AC adapter |
Warranty Period (years) | 2 years | 3 years |
Storage & Capacity(3) | ||
Drive Bays | 2 | 4 |
RAID Support | SHR, Basic, JBOD, RAID 0, RAID 1 | SHR, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 |
Supported Drive Types | 3.5" SATA HDD, 2.5" SATA SSD (optional holder) | 3.5"/2.5" SATA |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the DS223j for its whisper-quiet operation and energy efficiency, noting that the Realtek processor and 1 GB of RAM are adequate for light file serving, backup, and media indexing, but recommend higher-end Synology models for Docker, VMs, or heavy transcoding.
Everyday users consistently highlight the silent operation, straightforward setup, and low power draw as major positives, while noting the modest 1 GB RAM, lack of hot-swap capability, and limited performance for demanding applications.
Professional reviewers consider the DS425+ an evolutionary update that modernizes networking with 2.5 GbE and adds dual M.2 slots, but they caution that the aging J4125 processor and limited memory cap its performance for demanding virtualization or transcoding tasks.
Everyday users appreciate the silent, "library-quiet" operation and the speed boost from 2.5 GbE, finding the setup straightforward and the DSM interface user-friendly, while noting the lack of 10 GbE and occasional instability with the USB-C expansion.
“"library-quiet"”
“"2.5GbE support is a game-changer for local backups and media streaming"”
“"Silent operation, ideal for home offices"”
