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Synology 4-bay DiskStation DS425+ (Diskless)
- 4 bays
- 1 x 2.5GbE and 1 x 1GbE RJ-45 ports
- Built in M.2 NVMe slots for SSD cache
- Upgradable memory capacity
Combo Up Savings Up To $210+
The more you add, the more you'll save!+
+
Specs
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Learn more about the Synology Inc. DS425+
| Best Seller Ranking | #2 in Desktop NAS |
|---|
| Brand | Synology |
|---|---|
| Series | DiskStation |
| Model | DS425+ |
| Type | Desktop NAS |
| Ports | 2 x USB 3.2 Gen 1 ports |
|---|---|
| HDD Interface | 4 x SATA (4 x Bay) |
| Form Factor | 4-bay;2GB DDR4 non-ECC |
|---|---|
| Processor | Intel Celeron J4125 |
| Installed Memory | 4-bay;2GB DDR4 |
| Max Memory Capacity | 6 GB (2 GB + 4 GB) |
| Memory Slot | 2 x DDR4 SODIMM |
| Included HDD Capacity | Diskless System |
|---|
| Supported Protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV |
|---|
| Power | 100V to 240V AC |
|---|
| Temperature | Operating Temperature : 0°C to 40°C (32°F to 104°F) Storage Temperature : -20°C to 60°C (-5°F to 140°F) |
|---|---|
| Humidity | 5% to 95% RH |
| Features | 5% to 95% RH |
|---|---|
| Usage | Backup & stream media through personal cloud |
| Dimensions | 11.26" x 9.45" x 10.08" |
|---|---|
| Weight | 7.72lbs |
| Package Contents | Main Unit X 1 Accessory Pack X 1 AC Power Adapter X 1 AC Power Cord X 1 RJ-45 LAN Cable X 2 |
|---|
| First Listed on Newegg | July 02, 2025 |
|---|
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 2 years
- Limited Warranty period (labor): 2 years
- Read full details
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.com's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-425-296-3177
- Support Website
- View other products from Synology Inc.
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The Synology DiskStation DS425+ is a diskless 4-bay desktop NAS for home users and small offices that want to back up files, stream media, or build a personal cloud, with 2.5GbE and 1GbE networking and M.2 NVMe slots for SSD cache.
Recommended For
- Home users consolidating computer backups, shared files, and personal-cloud access on one always-on NAS, with four drive bays for their planned storage needs.
- Small teams that want centralized file sharing, device backups, and cross-platform syncing, especially when their network supports 2.5GbE.
- Households building a shared media library for local storage and streaming, where playback is usually direct from the NAS rather than dependent on frequent, demanding video transcoding.
- Synology users who prefer DSM’s integrated backup, file-management, and private-cloud tools over assembling a NAS setup from separate software components.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Personal-cloud backup and media streaming with a diskless, four-bay desktop NAS |
| Processor | Intel Celeron J4125 |
| Memory Configuration | 2 GB DDR4 non-ECC memory, expandable to 6 GB with two DDR4 SODIMM slots |
| Storage And Expansion | Four SATA drive bays; ships without drives; listed storage volume is 80 TB |
| Supported Protocols | SMB1/CIFS, SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, Kerberized sessions, iSCSI, HTTP/HTTPS, FTP, SNMP, LDAP, and CalDAV |
| Power And Operating Environment | 100–240 V AC; operating temperature 0–40°C and storage temperature −20–60°C; humidity 5–95% RH |
| Physical Design | Black metal-and-plastic enclosure for tabletop mounting; 11.26 × 9.45 × 10.08 in; 7.72 lb |
| Package Contents | Main unit, accessory pack, AC power adapter and cord, and two RJ-45 LAN cables |
| Model Identifiers | Synology DiskStation DS425+ |