Synology DS220j
Score: 50/100
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 DS220j is an entry-level two-bay NAS delivering a full DSM experience, solid performance for its price, and a broad app ecosystem, ideal for home users and small offices.
| Attribute | | |
|---|---|---|
32 TB | 80 TBbest | |
2 | 4best | |
1 Gbps | 2.5 Gbpsbest | |
4best | 4best | |
0.512 GB | 2 GBbest | |
| ↓ lower better | 12.46 Wbest | 28.25 W |
| ↓ lower better | — | 21.6 dBbest |
2 years | 3 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Security(1) | ||
OS Compatibility | DSM | DSM 7.2+ |
Performance(4) | ||
CPU Model | Realtek RTD1296 | Intel Celeron J4125 |
System Memory (GB) | 0.512 GB | 2 GB |
Ethernet Speed (Gbps) | 1 Gbps | 2.5 Gbps |
Power Consumption (Active) (W) | 12.46 W | 28.25 W |
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(4) | ||
Maximum Raw Capacity (TB) | 32 TB | 80 TB |
Drive Bays | 2 | 4 |
RAID Support | SHR, RAID 0, RAID 1, JBOD, Basic | SHR, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 |
Supported Drive Types | 3.5" or 2.5" SATA HDD/SSD | 3.5"/2.5" SATA |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praised the DS220j for its polished DSM operating system, impressive read/write speeds for a budget unit, straightforward setup, and comprehensive app ecosystem, while noting its hardware limitations such as a single LAN port, modest 512 MB RAM, and lack of HDMI or multi-gigabit networking.
Everyday users appreciate the DS220j's ease of use, low power consumption, and ability to serve as a reliable home cloud and media server, but many echo concerns about limited RAM, lack of HDMI, and the need to purchase drives separately.
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"”
