RackStation RS818+/RS818RP+
High performance 1U rackmount NAS for small- and medium-sized businesses
Powerful and scalable storage solution
Synology RackStation RS818+/RS818RP+ comes with a quad-core processor with the AES-NI hardware encryption engine, quad 1GbE LAN ports, and optional 10GbE NIC support. It provides both high performance and a scalable storage solution for sharing files across different platforms, centralizing data backups, and protecting critical assets.
CPU
Quad-core 2.4GHz
Memory
2GB DDR3, up to 16GB
High Performance
Over 1,099 MB/s sequential reading1
Compact and Efficient
Up to 8 drives with RX418 expansion unit2
Empower your storage with speedier performance
RS818+/RS818RP+ allows network and memory upgrades to boost system performance.
Network
Optional 10GbE network adapter for bandwidth-intensive environments
Memory
Performance optimization with optional dual-channel memory expansion
Built for high service reliability
RS818+/RS818RP+ comes with four 1GbE LAN ports to support Link Aggregation and failover. Synology High Availability support provides a reliable active/passive server cluster, keeping data and services online. Furthermore, RS818+ is equipped with redundant power supplies to deliver increased service continuity.
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.
Flexible Shared Folder / User Quota System provides comprehensive quota control on 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
Real-time collaboration on your private cloud
Office is a collaboration package combining the convenience and usability of public clouds with the data privacy and security guaranteed by private clouds. It allows you to work seamlessly together on documents and spreadsheets in a protected environment. Real-time collaboration on the same online documents to boost productivity. Version control for you to navigate all the changes and retrieve previous versions with just a click. Instant communication on Synology Chat during the editing of documents or spreadsheets.
Fully certified storage virtualization solutions
Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimizes computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component.
Engineered for reliability, backed by Synology
DS1817+ is designed to reliably store your data and is backed by Synology’s three-year hardware warranty. An optional two-year extended warranty is available in select regions for up to five years of coverage.
Surveillance Station
Complete surveillance solution for recording, monitoring, and management.
Desktop Backup
Simplified backup solution for your Mac, PC, and mobile devices.
Hyper Backup
Store multiple backup versions with block-level incremental data backup and cross-version deduplication.
DSM UI
Award-winning operating system with an intuitive user interface and powerful capabilities.
Security
Comprehensive built-in security tools are constantly updated to tackle evolving threats and protect your devices.
All-in-one server
Save additional investment by integrating various network services, web/mail services, management applications into your NAS.
| Hardware Specifications | |
|---|---|
| CPU | |
| CPU Model | Intel Atom C2538 |
| CPU Architecture | 64-bit |
| CPU Frequency | Quad Core 2.4 GHz |
| Hardware Encryption Engine (AES-NI) | |
| Memory | |
| System Memory | 2 GB DDR3 |
| Memory Module Pre-installed | 2GB (1 x 2GB) |
| Total Memory Slots | 2 |
| Memory Expandable up to | 16 GB (8 GB x 2) |
| Storage | |
| Drive Bays | 4 |
| Maximum Drive Bays with Expansion Unit | 8 |
| Compatible Drive Type* (See all supported drives) | 3.5" SATA HDD |
| 2.5" SATA HDD | |
| 2.5" SATA SSD | |
| Maximum Internal Raw Capacity | 48 TB (12 TB drive x 4) (Capacity may vary by RAID types) |
| Maximum Raw Capacity with Expansion Units | 96 TB (48 TB + 12 TB drive x 4) (Capacity may vary by RAID types) |
| Maximum Single Volume Size | 108 TB |
| Hot Swappable Drive | |
| Notes | The maximum single volume size is not directly related to the maximum raw capacity. (Learn more) |
| External Ports | |
| RJ-45 1GbE LAN Port | 4 (with Link Aggregation / Failover support) |
| USB 3.0 Port | 2 |
| eSATA Port | 1 |
| PCIe | |
| PCIe Expansion | 1 x Gen2 x8 slot (x4 link) |
| Add-in-card support | PCIe Network Interface Card (Learn more) |
| File System | |
| Internal Drives | Btrfs |
| EXT4 | |
| External Drives | Btrfs |
| EXT4 | |
| EXT3 | |
| FAT | |
| NTFS | |
| HFS+ | |
| exFAT* | |
| Notes | exFAT Access is purchased separately in Package Center. |
| Appearance | |
| Size (Height x Width x Depth) | 44 mm x 480 mm x 492.6 mm |
| 44 mm x 480 mm x 518.6 mm (for RP model) | |
| Weight | 6.21 kg |
| 7.63 kg (for RP model) | |
| Others | |
| System Fan | 40 mm x 40 mm x 2 pcs |
| Fan Speed Mode | Full-Speed Mode |
| Cool Mode | |
| Quiet Mode | |
| Power Recovery | |
| Noise Level* | 28.5 dB(A) |
| 32.7 dB(A) (for RP model) | |
| Scheduled Power On/Off | |
| Wake on LAN/WAN | |
| Power Supply Unit / Adapter | 150W |
| 150 X 2W (for RP model) | |
| AC Input Power Voltage | 100V to 240V AC |
| Power Frequency | 50/60 Hz, Single Phase |
| Power Consumption* | 45.28 W (Access) |
| 20.81 W (HDD Hibernation) | |
| 45.73 W (Access, for RP model) | |
| 21.79 W (HDD Hibernation, for RP model) | |
| British Thermal Unit | 154.61 BTU/hr (Access) |
| 71.05 BTU/hr (HDD Hibernation) | |
| 156.14 BTU/hr (Access, for RP model) | |
| 74.40 BTU/hr (HDD Hibernation, for RP model) | |
| Redundant Power Supply (for xs+ and RP model) | |
| Environment Temperature | |
| Operating Temperature | 5°C to 35°C (40°F to 95°F) |
| Storage Temperature | -20°C to 60°C (-5°F to 140°F) |
| Relative Humidity | 5% to 95% RH |
| Certification | EAC |
| VCCI | |
| CCC | |
| RCM | |
| KC | |
| FCC | |
| CE | |
| BSMI | |
| Warranty | 3 Year Hardware Warranty, Extendable to 5 Year Coverage - EW202 |
| Notes | Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s). |
| Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8% | |
| DSM Specifications ( See more ) | |
| Storage Management | |
| Maximum Internal Volume Number | 512 |
| Maximum iSCSI Target Number | 32 |
| Maximum iSCSI LUN | 256 |
| iSCSI LUN Clone/Snapshot, Windows ODX | |
| SSD Read/Write Cache (White Paper) | |
| SSD TRIM | |
| Supported RAID Type | Synology Hybrid RAID |
| Basic | |
| JBOD | |
| RAID 0 | |
| RAID 1 | |
| RAID 5 | |
| RAID 6 | |
| RAID 10 | |
| RAID Migration | Basic to RAID 1 |
| Basic to RAID 5 | |
| RAID 1 to RAID 5 | |
| RAID 5 to RAID 6 | |
| Volume Expansion with Larger HDDs | Synology Hybrid RAID |
| RAID 1 | |
| RAID 5 | |
| RAID 6 | |
| Volume Expansion by Adding a HDD | Synology Hybrid RAID |
| RAID 5 | |
| JBOD | |
| RAID 6 (with Expansion Unit) | |
| Global Hot Spare Supported RAID Type | Synology Hybrid RAID |
| RAID 1 | |
| RAID 5 | |
| RAID 6 (with Expansion Unit) | |
| RAID 10 (with Expansion Unit) | |
| File Sharing Capacity | |
| Maximum Local User Accounts | 2048 |
| Maximum Local Groups | 256 |
| Maximum Shared Folder | 512 |
| Maximum Shared Folder Sync Tasks | 8 |
| Maximum Concurrent CIFS/AFP/FTP Connections | 500 |
| Windows Access Control List (ACL) Integration | |
| NFS Kerberos Authentication | |
| High Availability Manager | |
| Log Center | |
| Syslog Events per Second | 800 |
| Virtualization | |
| VMware vSphere 6 with VAAI | |
| Windows Server 2012 | |
| Windows Server 2012 R2 | |
| Windows Server 2016 | |
| Citrix Ready | |
| OpenStack | |
| Add-on Packages (learn more about the complete add-on package list) | |
| Antivirus by McAfee (Trial) | |
| Central Management System | |
| Chat | |
| Maximum Users | 1500 |
| Notes | The number of concurrent HTTP connections for Chat was configured to the maximum. |
| CPU and RAM usage were both under 80% when the number of maximum users was reached. | |
| For tested models with expandable memory, the maximum amount of RAM was installed. | |
| Cloud Station Server | |
| Maximum Number of Concurrently Connected Devices | 500 |
| Maximum Number of Concurrently Connected Devices (with RAM expansion) | 2000 |
| Maximum Number of Synced Files (btrfs) | 1,000,000 / single file reaction time 946 ms |
| Maximum Number of Synced Files (ext4) | 1,000,000 / single file reaction time 564 ms |
| Notes | The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time. For more information on file processing capability, please refer to the reaction time for file processing. |
| File reaction time refers to the preparation time required for other devices to start downloading a 10KByte file from a Synology NAS after the file has been added to the NAS. RAM expansion was not used during testing. | |
| Non-encrypted shared folders were used during the aforementioned testing. | |
| Document Viewer | |
| Download Station | |
| Maximum Concurrent Download Tasks | 80 |
| Drive | |
| Maximum Number of Synced Files | 1,000,000 / single file reaction time 437 ms |
| Maximum Number of Concurrent Connections for PC Clients | 550 |
| Notes | The Btrfs file system was used for the purpose of testing. |
| The maximum number of concurrent connections refers to the maximum number of connections that could be maintained when the maximum number of synced files was reached. | |
| File reaction time refers to the preparation time required for other devices to start downloading a 10KByte file from a Synology NAS after the file has been added to the NAS. | |
| For tested models with expandable memory, the maximum amount of RAM was installed. | |
| Non-encrypted shared folders were used during the aforementioned testing. | |
| exFAT Access (optional) | |
| MailPlus / MailPlus Server | |
| Free Email Accounts | 5 (Licenses required for additional accounts) |
| Recommended MailPlus Client Number | Up to 90 (Btrfs) / 100 (EXT4) |
| Maximum Server Performance | 712,000 (Btrfs) / 844,000 (EXT4) emails per day, approx. 21.73 GB (Btrfs) / 25.76 GB (EXT4) |
| Notes | The CPU and RAM usages were both under 80% when testing recommended client numbers. |
| For tested models with expandable memory, the maximum amount of RAM was installed. | |
| Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed. | |
| The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers. | |
| Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only). | |
| Media Server | |
| DLNA Compliance | |
| Moments | |
| Facial recognition | |
| Subject recognition | |
| Office | |
| Maximum Users | 1800 |
| Notes | Multiple files were opened for testing and each file was edited by 30 users simultaneously. |
| CPU and RAM usage were both under 80% when the number of maximum users was reached. | |
| For tested models with expandable memory, the maximum amount of RAM was installed. | |
| Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM | |
| Snapshot Replication | |
| Maximum Snapshots per Shared Folder | 1024 |
| Maximum Snapshots of all Shared Folder | 65536 |
| Surveillance Station | |
| Maximum IP cam (Licenses required) | 40 (including 2 Free License) (See All Supported IP Cameras) |
| Total FPS (H.264)* | 1200 FPS @ 720p (1280x720) |
| 900 FPS @ 1080p (1920×1080) | |
| 320 FPS @ 3M (2048x1536) | |
| 270 FPS @ 5M (2591x1944) | |
| 120 FPS @ 4K (3840x2160) | |
| Total FPS (H.265)* | 1200 FPS @ 720p (1280x720) |
| 1200 FPS @ 1080p (1920×1080) | |
| 560 FPS @ 3M (2048x1536) | |
| 300 FPS @ 5M (2591x1944) | |
| 200 FPS @ 4K (3840x2160) | |
| Total FPS (MJPEG)* | 540 FPS @ 720p (1280x720) |
| 200 FPS @ 1080p (1920×1080) | |
| 150 FPS @ 3M (2048x1536) | |
| 90 FPS @ 5M (2591x1944) | |
| Notes | Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera. |
| Video Station | |
| Video Transcoding | Group 1 - Type 1 (See more) |
| Maximum Transcoding Channel Number | 1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1 |
| Virtual Machine Manager | |
| Maximum Virtual DSM Number (Licenses required) | 4 (including 1 Free License) (Learn more) |
| Notes | Virtual Machine Manager is not supported on hosts running Synology High Availability. |
| VPN Server | |
| Maximum Connections | 20 |
| Environment & Packaging | |
| Environment | RoHS Compliant |
| Packaging Content | Main Unit X 1 |
| Accessory Pack X 1 | |
| AC Power Cord X 1 | |
| AC Power Cord X 2 (for RP model) | |
| Quick Installation Guide X 1 | |