Ultimate Backup Solution
RS2818RP+ integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device.
Scalable Storage Server On-Demand
RS2818RP+ is an ideal storage solution for small- and medium-sized businesses with great flexibility in terms of expandable storage capacity, upgradable memory and optional high-speed NIC support. It fits perfectly as a backup target for distributed businesses, a centralized file server, or a backup target for employee workstations in a growing business.
CPU
Quad-core 2.1GHz
RAM options
4GB DDR4 UDIMM, up to 64GB
Network
4 x 1GbE port, optional 10GbE NIC support
Chassis
3U design, 16 SATA drive bays
Robust scalability and reliability
RS2818RP+ provides large, scalable storage capacity with affordable total cost of ownership. The 3U chassis design accommodates up to 16 drives and the storage capacity can be further scaled up when connected to one Synology Expansion Unit RX1217 or RX1217RP
Next-generation file system for better data protection
The Btrfs file system introduces advanced storage technologies and optimized snapshots to prevent data corruption and reduce maintenance overhead. While ensuring high-level data integrity, it also offers flexible, efficient data protection and recovery tools. Learn more
- Flexible Shared Folder/User Quota System provides comprehensive quota control on all user accounts and shared folders
- Snapshot Replication provides schedulable and storage capacity-saving data protection with 1,024 shared folder backups and 65,000 system-wide snapshots
- File or folder level data restoration makes data recovery fast and flexible
- Automatic file self-healing detects and recovers corrupted files without user intervention
Active Backup for Business
Centralize backup tasks for VMware, Windows, and file servers. Restore whatever you want fast and reliably when needed.
Learn more
Hyper Backup
Comprehensively back up your data to a local shared folder, an external device, another Synology NAS, an rsync server, or a public cloud to ensure data safety.
Learn more
Drive Package
Safeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.
Learn more
Active Backup for Microsoft 365 / Google Workspace
Protect corporate data stored on the cloud. On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.
Microsoft 365Google WorkspaceDigital asset protection
Powered by Synology DiskStation Manager (DSM), Synology NAS offers advanced security measures to protect against sudden data loss and potential security holes. Learn more
Security Advisor
Analyze system settings, password strength and network preferences, and remove any possible malware.
AppArmor
A kernel-level enhancement that blocks malicious programs from accessing unauthorized system resources.
AES 256-bit encryption
Encrypt shared folders and network data transmission to avoid unauthorized data access.
2-step verification
Prevent others from logging in to your DSM by generating a six-digit one-time password (OTP) on your mobile device.
Powered by Synology DiskStation Manager
DSM UI
Award-winning operating system with an intuitive user interface and powerful capabilities.
Public Cloud Integration
Back up and synchronize data easily between public cloud accounts and your NAS.
Synology High Availability
Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
Security
Shield your Synology NAS from the most sophisticated threats with industry-leading security solutions.
Snapshot Replication
Schedulable and instantaneous data protection of shared folders and iSCSI LUNs for quick disaster recovery.
- 1Power button and indicator
- 2Beep off button
- 3Drive tray
- 4Drive status indicator
- 5Power port
- 6PSU indicator
- 7PSU fan
- 8Console port
- 91GbE RJ-45 port
- 10USB 3.0 port
- 11Expansion port
- 12PCIe expansion slot
- 13Reset button
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Hardware Specifications
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CPU
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CPU
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CPU Model | Intel Atom C3538 |
| CPU Quantity | 1 | |
| CPU Cores | 4 | |
| CPU Threads | 4 | |
| CPU Architecture | 64-bit | |
| CPU Frequency | 2.1 GHz | |
| Hardware Encryption Engine | ||
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Memory
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Memory
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System Memory | 4 GB DDR4 non-ECC UDIMM |
| Total Memory Slots | 4 | |
| Maximum Memory Capacity | 64 GB (16 GB x 4) | |
| Notes |
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Storage
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Storage
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Drive Bays | 16 |
| Maximum Drive Bays with Expansion Unit | 28 (RX1217 x 1) | |
| Drive Type (See all supported drives) |
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| Hot Swappable Drive* | ||
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External Ports
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External Ports
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RJ-45 1GbE LAN Port | 4 |
| USB 3.2 Gen 1 Port | 2 | |
| Expansion Port | 1 | |
| Expansion Port Type | Infiniband | |
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PCIe
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PCIe
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PCIe Expansion | 1 x Gen3 x8 slot (black, x4 link) |
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Appearance
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Appearance
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Form Factor (RU) | 3U |
| Size (Height x Width x Depth) | 132.3 mm x 482 mm x 656.5 mm | |
| Weight | 17.4 kg | |
| Rack Installation Support* | 4-post 19" rack (Synology Rail Kit - RKS-02) | |
| Notes | The rail kit is sold separately | |
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Others
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Others
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System Fan | 80 mm x 80 mm x 3 pcs |
| Fan Speed Mode |
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| Easy Replacement System Fan | ||
| Power Recovery | ||
| Noise Level* | 51.0 dB(A) | |
| Scheduled Power On / Off | ||
| Wake on LAN / WAN | ||
| Power Supply Unit / Adapter | 500 watts | |
| Redundant Power Supply | ||
| AC Input Power Voltage | 100V to 240V AC | |
| Power Frequency | 50/60 Hz, Single Phase | |
| Power Consumption |
138.1 watts (Access) 66.7 watts (HDD Hibernation) |
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| British Thermal Unit |
471.5 BTU/hr (Access) 227.7 BTU/hr (HDD Hibernation) |
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Temperature
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Temperature
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Operating Temperature | 5°C to 35°C (40°F to 95°F) |
| Storage Temperature | -20°C to 60°C (-5°F to 140°F) | |
| Operating Humidity | 8% to 80% RH | |
| Storage Humidity | 5% to 95% RH | |
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Certification
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Certification
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Warranty
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Warranty
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2 Years | |
| Notes | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) | |
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Environment
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Environment
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RoHS Compliant | |
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Packaging Content
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Packaging Content
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Optional Accessories
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Optional Accessories
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| Compatibility | Synology Compatibility List | |
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DSM Specifications
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| Maximum Single Volume Size | 108 TB | |
| Maximum Internal Volume Number | 64 | |
| 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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| Internal Drives |
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| External Drives |
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| File Protocol |
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| Maximum Concurrent SMB/AFP/FTP Connections | 1,000 | |
| Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion) | 2,000 | |
| Windows Access Control List (ACL) Integration | ||
| NFS Kerberos Authentication | ||
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| Maximum Local User Accounts | 2,048 | |
| Maximum Local Groups | 256 | |
| Maximum Shared Folder | 512 | |
| Maximum Shared Folder Sync Tasks | 16 | |
| Maximum Hybrid Share Folders | 10 | |
| Folder and Package Backup | ||
| Entire System Backup | ||
| Notes | Full-system backup requires DSM 7.2 or later. | |
| Synology High Availability | ||
| Syslog Events per Second | 800 | |
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Virtualization
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Virtualization
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VMware vSphere | ESXi 8.0 U2, ESXi 8.0 U1, ESXi 8.0, ESXi 7.0 U3, ESXi 7.0 U2, ESXi 7.0 U1, ESXi 7.0, ESXi 6.7 U3, ESXi 6.7 U2, ESXi 6.7 U1, ESXi 6.7, ESXi 6.5 U3, ESXi 6.5 U2, ESXi 6.5 U1, ESXi 6.5 |
| Microsoft Hyper-V | Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012 | |
| Citrix XenServer | XenServer 7 | |
| OpenStack | Cinder | |
| Supported Protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV | |
| Supported Browsers |
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| Supported Language | English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文 | |
| Notes | For an updated list of supported browser versions, check the DSM Technical Specifications. | |
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Add-on Packages view the complete package list
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| Suggested Users | 1,500 | |
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Download Station
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Download Station
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Maximum Concurrent Download Tasks | 80 |
| Maximum iSCSI Target Number | 128 | |
| Maximum LUN | 256 | |
| LUN Clone/Snapshot, Windows ODX | ||
| Free Email Accounts | 5 (Additional accounts require purchase of licenses) | |
| Suggested Maximum Users | 150 | |
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| DLNA Compliance | ||
| Facial Recognition | ||
| Object Recognition | ||
| Maximum Snapshots per Shared Folder | 512 | |
| Maximum Snapshots per LUN | 128 | |
| Maximum Snapshots per System | 65,536 | |
| Maximum Replication Tasks for Shared Folders | 64 | |
| Default Licenses | 2 (Additional cameras require purchase of licenses) | |
| Maximum IP Cameras and Total FPS (H.264) |
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| Maximum IP Cameras and Total FPS (H.265) |
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| Notes |
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| Recommended Number of Concurrent Sync Clients | 550 | |
| Maximum Number of Hosted Files | 1,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) | |
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| Maximum Number of Users | 1,800 | |
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| Recommended Virtual Machine Instances | 4 (Learn more) | |
| Recommended Virtual DSM Number (Licenses required) | 4 (including 1 Free License) | |
| Notes | The specifications vary depending on system configuration and memory size. | |
| Maximum Connections | 40 | |