Description
DS425+
key features :
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4-bay NAS enclosure for flexible and high-performance storage
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Diskless design supports user-selected HDDs or SSDs
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Ideal for small businesses and advanced home users
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Secure file sharing, backup, and remote access
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Powered by Synology DiskStation Manager (DSM)
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Supports RAID configurations for data redundancy
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Compact, quiet, and energy-efficient 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 | 4 |
| M.2 Drive Slots | 2 (NVMe) | |
| Drive Type (See all supported drives) |
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| Hot Swappable Drive* | ||
| Notes |
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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 | |
| 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 | |
| M.2 SSD Storage Pool Support* | ||
| SSD Read/Write Cache (Determining cache size) | ||
| SSD TRIM | ||
| Supported RAID Type |
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| RAID Migration |
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| Volume Expansion with Larger HDDs |
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| Volume Expansion by Adding a HDD |
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| Global Hot Spare Supported RAID Type |
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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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- 1Status indicator
- 2Drive status indicators
- 3Drive tray lock
- 4USB 3.2 Gen 1 port
- 5Power button and indicator
- 6Drive trays
- 7Fans
- 81GbE RJ-45 port
- 92.5GbE RJ-45 port
- 10Reset button
- 11USB 3.2 Gen 1 port
- 12Power port
- 13Kensington security slot
- 14M.2 NVMe SSD slots
