Description
DS225+
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2-Bay NAS enclosure for flexible storage expansion
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Diskless design – supports user-selected HDDs or SSDs
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Ideal for home users and small businesses
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Secure file storage, sharing, and backup
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Powered by Synology DiskStation Manager (DSM)
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Supports cloud sync and remote access
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Energy-efficient and quiet operation
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Hardware Specifications
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CPU
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CPU Model | Intel Celeron J4125 |
| CPU Quantity | 1 | |
| CPU Core | 4 | |
| CPU Architecture | 64-bit | |
| CPU Frequency | 2.0 (base) / 2.7 (turbo) GHz | |
| Hardware Encryption Engine | ||
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Memory
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System Memory | 2 GB DDR4 non-ECC |
| Total Memory Slots | 1 | |
| Maximum Memory Capacity | 6 GB (2 GB + 4 GB) | |
| Notes |
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Storage
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Drive Bays | 2 |
| Drive Type (See all supported drives) |
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| Hot Swappable Drive* | ||
| Notes | Synology only guarantees full functionality, reliability, and performance for compatible drives. Please consult our compatibility list before purchasing hard drives. For more details, please refer to this article. | |
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External Ports
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RJ-45 1GbE LAN Port | 1 |
| RJ-45 2.5GbE LAN Port | 1 | |
| USB 3.2 Gen 1 Port | 2 | |
| USB Copy | ||
| Notes | This device’s 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes. | |
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DSM Specifications
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Storage Management
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Maximum Single Volume Size | 108 TB |
| Maximum Internal Volume Number | 32 | |
| SSD TRIM | ||
| Supported RAID Type |
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| RAID Migration |
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| Volume Expansion with Larger HDDs |
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| Notes |
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File System
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Internal Drives |
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| External Drives |
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File Services
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File Protocol |
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| Maximum Number of SMB Connections (FSCT-Based) | 5 | |
- 1Status indicator
- 2LAN indicators
- 3Drive status indicators
- 4USB 3.2 Gen 1 port
- 5Copy button
- 6Power button and indicator
- 7Fan
- 81GbE RJ-45 port
- 92.5GbE RJ-45 port
- 10Reset button
- 11USB 3.2 Gen 1 port
- 12Power port
- 13Kensington security slot
