Synology RackStation RC18015xs+Expansion – RC18015xs+
RackStation RC18015xs+
Uncompromising reliability, unyielding data protection
Overview
High-availability cluster design
By combining two RC18015xs+ and at least one RXD1215sas, the Synology high-availability cluster1 delivers unyielding reliability and data availability. With the active/passive structure, services are automatically switched over to one server if the other unexpectedly goes offline, helping your business avoid costly downtime.
CPU
Intel® Quad-core up to 3.7 GHz
Memory
8GB DDR3 ECC RAM, up to 32GB
Ultra Performance
2,153.26 MB/s reading
Scalability
Up to 180 drives with 15 RXD1215sas
Hardware redundancy enhances system uptime
In addition to the active/passive architecture, RC18015xs+ is equipped with redundant hardware components, such as power supply units, internal system fans, and LAN ports, to optimize service continuity.
Scalable to 10GbE, and beyond
The PCIe 3.0 slot allows for faster networking as you expand your infrastructure. Together with the built-in quad Gigabit ports, RC18015xs+ offers comprehensive connectivity options for link aggregation and failover configurations.
5 year warranty
Synology’s 5-year limited warranty provides hardware replacement and technical support via email and telephone services, maximizing your enterprises’ return on investment.
Synology Replacement Service (SRS)
SRS provides free advance replacement units as early as the next business day in selected regions, maximizing the service uptime for your mission-critical storage and ensuring your business continuity2.Check service availability here.
Complete iSCSI and virtualization solutions
Synology iSCSI storage supports most virtualization solutions including VMware vSphere, Microsoft Hyper-V, Citrix Xen Server, and OpenStack Cinder, to enhance work efficiency. Create and manage virtual machines running multiple operating systems such as Windows, Linux, and DSM using Virtual Machine Manager. Learn more
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
File- or folder-level data restoration accelerates data recovery, providing more flexibility for businesses
Automatic file self-healing detects and recovers corrupted files without user intervention
Powered by Synology DSM
CMS
Manage multiple Synology NAS servers simultaneously on a centralized interface to increase business efficiency.
MailPlus
Secure, reliable, and private mail server solution with an intuitive and modern mail client.
Hyper Backup
Store multiple backup versions with block-level incremental data backup and cross-version deduplication.
Snapshot Replication
Provides schedulable and instantaneous data protection for shared folders and virtual machines on iSCSI LUNs in the event of disaster.
Security
Comprehensive built-in security tools are constantly updated to tackle evolving threats and protect your devices.
- (1) LED indicator
- (2) Beep off button
- (3) Power button and indicator
- (4) Power port
- (5) PSU indicator
- (6) Heartbeat LAN port
- (7) USB 3.0 port
- (8) 1GbE RJ-45 port
- (9) Console port
- (10) SAS OUT port
- (11) PCIe 3.0 slot
- (12) Reset button
Detailed Tech Specification
Hardware Specifications |
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CPU |
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CPU Model | Intel Xeon E3-1230 v2 |
CPU Architecture | 64-bit |
CPU Frequency | Quad Core 3.3 GHz |
Hardware Encryption Engine (AES-NI) |
✓ |
Memory |
|
System Memory | 8 GB DDR3 ECC |
Memory Module Pre-installed | 8 GB (4 GB x 2) |
Total Memory Slots | 4 |
Memory Expandable up to | 32 GB (8 GB x 4) |
Notes | Synology reserves the right to replace memory modules with the same or higher frequency based on supplier’s product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance. |
Storage |
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Maximum Drive Bays with Expansion Unit | 180 |
Compatible Drive Type* (See all supported drives) |
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Maximum Raw Capacity with Expansion Units | 2160 TB (12 TB drive x 180) (Capacity may vary by RAID types) |
Maximum Single Volume Size |
|
Hot Swappable Drive |
– |
External Ports |
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RJ-45 1GbE LAN Port | 4 (with Link Aggregation / Failover support) + 1 for Heartbeat |
USB 3.0 Port | 2 |
Expansion Port | 1 |
PCIe |
|
PCIe Expansion | 1 x Gen3 x8 slot (x8 link) |
Add-in-card support | PCIe Network Interface Card (Learn more) |
File System |
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Internal Drives |
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External Drives |
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Notes | exFAT Access is purchased separately in Package Center. |
Appearance |
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Size (Height x Width x Depth) | 44 mm x 480 mm x 515 mm |
Weight | 7.3 kg |
Rack Installation Support | 4-post 19″ rack (Synology Rail Kit – RKM114/RKS1317) |
Notes | The rail kit is sold separatelty. |
Others |
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System Fan | 40 mm x 40 mm x 6 pcs |
Fan Speed Mode |
|
Easy Replacement System Fan |
✓ |
Power Recovery |
✓ |
Noise Level* | 48 dB(A) |
Scheduled Power On/Off |
✓ |
Wake on LAN/WAN |
✓ |
Power Supply Unit / Adapter | 2 X 150W |
AC Input Power Voltage | 100V to 240V AC |
Power Frequency | 50/60 Hz, Single Phase |
Power Consumption* | 60.16 W (Access) |
British Thermal Unit | 205.27 BTU/hr (Access) |
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 |
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Warranty |
5 Years |
Notes |
When upgrading RAM to more than 24GB, the original 4GB RAM modules must be removed. |
DSM Specifications ( See more ) |
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Storage Management |
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Maximum Internal Volume Number | 1024 |
Maximum iSCSI Target Number | 256 |
Maximum iSCSI LUN | 512 |
iSCSI LUN Clone/Snapshot, Windows ODX |
✓ |
SSD Read/Write Cache (White Paper) |
✓ |
SSD TRIM |
✓ |
RAID Group |
✓ |
Supported RAID Type |
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RAID Migration |
|
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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File Services |
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File Protocol | CIFS/AFP/NFS/FTP/WebDAV |
Maximum Concurrent CIFS/AFP/FTP Connections | 2000 |
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) | 8000 |
Windows Access Control List (ACL) Integration |
✓ |
NFS Kerberos Authentication |
✓ |
Account & Shared Folder |
|
Maximum Local User Accounts | 16000 |
Maximum Local Groups | 512 |
Maximum Shared Folder | 512 |
Maximum Shared Folder Sync Tasks | 32 |
High Availability Manager |
✓ |
Log Center |
✓ |
Syslog Events per Second | 3000 |
Virtualization |
|
VMware vSphere 5 with VAAI |
✓ |
VMware vSphere 6 with VAAI |
✓ |
Windows Server 2012 |
✓ |
Windows Server 2012 R2 |
✓ |
Citrix Ready |
✓ |
OpenStack |
✓ |
Add-on Packages (learn more about the complete add-on package list) |
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Antivirus by McAfee (Trial) |
✓ |
Central Management System |
✓ |
Chat |
✓ |
Maximum Users | 6000 |
Notes |
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Cloud Station Server |
✓ |
Maximum Number of Concurrently Connected Devices | 2000 |
Maximum Number of Concurrently Connected Devices (with RAM expansion) | 10000 |
Maximum Number of Hosted Files (btrfs) | 1,000,000 |
Maximum Number of Hosted Files (ext4) | 1,000,000 |
Notes |
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Document Viewer |
✓ |
Download Station |
✓ |
Maximum Concurrent Download Tasks | 80 |
exFAT Access (optional) |
✓ |
MailPlus / MailPlus Server |
✓ |
Free Email Accounts | 5 (Licenses required for additional accounts) |
Maximum number of concurrent users | Up to 600 |
Maximum Server Performance | 3,847,000 emails per day, approx. 117GB |
Notes |
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Media Server |
✓ |
DLNA Compliance |
✓ |
Moments |
✓ |
Facial recognition |
✓ |
Subject recognition |
✓ |
Auto Color & Rotate |
✓ |
Moments Select |
✓ |
PetaSpace |
✓ |
Snapshot Replication |
✓ |
Maximum Snapshots per Shared Folder | 1024 |
Maximum of system snapshots | 65536 |
Surveillance Station |
✓ |
Maximum IP cam (Licenses required) | 90 (including 2 Free License) (See All Supported IP Cameras) |
Total FPS (H.264)* | 2700 FPS @ 720p (1280×720) 1080 FPS @ 1080p (1920×1080) 650 FPS @ 3M (2048×1536) 500 FPS @ 5M (2591×1944) |
Total FPS (MJPEG)* | 900 FPS @ 720p (1280×720) 360 FPS @ 1080p (1920×1080) 250 FPS @ 3M (2048×1536) 150 FPS @ 5M (2591×1944) |
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. |
Synology Drive |
✓ |
Recommended Number of Hosted Files | 3,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) |
Recommended Number of Concurrent Connections for PC Clients | 1,800 (the number of connections that can be maintained when the recommended number of hosted files was reached) |
Notes |
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Synology Office |
✓ |
Maximum Users | 3000 |
Notes |
|
Video Station |
✓ |
Video Transcoding | Group 1 – Type 2 (See more) |
Maximum Transcoding Channel Number | 1 channel, 30 FPS @ 720p (1280×720), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1 |
Virtual Machine Manager |
✓ |
Recommended Virtual Machine Instances | 8 (Learn more) |
Recommended Virtual DSM Number(Licenses required) | 8 (including 1 Free License) |
Notes |
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VPN Server |
✓ |
Maximum Connections | 40 |
Environment & Packaging |
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Environment |
RoHS Compliant |
Packaging Content |
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Optional Accessories |
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