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Synology RS815RP+ RackStation 4-Bay Scalable NAS ( RAIL KIT optional )

Model: SY20092 / Item No: 413461

Synology RS815RP+ RackStation 4-Bay Scalable NAS ( RAIL KIT optional )

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RackStation RS815RP+

High-performance NAS server optimized for intensive tasks and encryption

Featuring a quad-core processor and AES-NI hardware encryption engine RS815RP+ (equipped with redundant power supplies) deliver the superior performance which is essential for business’s data transmission needs. The ability to expand to 6GB DDR3 RAM and scale storage up to 8 drives with Synology Expansion Unit RX415 give your business the agility to meet evolving workload demands.

Quad-core CPU brings high performance

Powered by a quad-core CPU running at 2.4 GHz, RS815+/RS815RP+ delivers average 389.03 MB/s reading and 361.33 MB/s writing.1 With this superior performance and a RAM module expandable to 6GB (2GB by default), RS815+/RS815RP+ is a powerful 1U NAS server for mission-critical tasks of SMBs.


Ideal encrypted data transmission with AES-NI

RS815+/RS815RP+ features a hardware encryption engine, which offloads encryption calculation tasks away from the main CPU. That means files and folders are encrypted on the fly without compromising the performance ─delivering encrypted data transmission speeds over 388.66 MB/s reading and 158.9 MB/s writing.

Robust scalability up to 8 drives

When your data storage is nearing its limits, RS815+/RS815RP+ can be connected to a dedicated RX415 expansion unit2, letting you easily scale up to 8 drives for additional storage on the fly. With a RX415 connected through an eSATA cable with specially-designed locking connectors, raw capacity can be as high as 48TB.3


Quad LAN ports for failover and Link Aggregation support

To ensure your business continuity, RS815+/RS815RP+ features four built-in Gigabit LAN ports supporting failover, which is engineered to provide reliable redundancy even if LAN connection malfunction occurs on one port, reducing the chance of service disruption and costly downtime. In addition, Link Aggregation powered by four LAN ports increases connection speeds beyond the limits of a single network cable or port.


SSD cache technology

RS815+/RS815RP+ enables the combination of hard drives and SSD cache, boosting throughput efficiently while minimizing cost per gigabyte. With full SSD cache support, RS815+/RS815RP+ offers a significant reduction in I/O latency without crippling your budget. With only a small upfront investment, businesses can benefit from significant server performance enhancement.

Learn more about SSD Cache in our white paper.


Award winning OS - DiskStation Manager

Synology DiskStation Manager (DSM) is a sleek, browser-based operating system running on every DiskStation and RackStation, which makes managing your Synology NAS a breeze. Featuring an intuitive user interface, DSM makes accessing and sharing your data smarter and simpler. Synology's Package Center lets you download and install useful add-on packages designed specifically for individual or business needs, meaning you can enjoy more entertainment in your life or better productivity at work. Learn more


Seamless storage solution for virtualization environments

RS815+/​RS815RP+ provides seamless storage solutions for virtualization environments, including VMware, Citrix, and Microsoft Hyper-V. With VMware vSphere® 5 & VAAI integration, RS815+/​RS815RP+ helps offload specific storage operations and optimizes computation power in VMware environments. Windows ODX support speeds up data manipulation as the data transfer is offloaded. iSCSI also lets SMB users consolidate storage into data center storage arrays while providing hosts with the illusion of locally-attached disks. Learn more


Fit into business environments easily

With the support of Windows AD, LDAP, and Domain Trust, RS815+/​RS815RP+ enables seamless account integration. The User Home feature can automatically create a "home" folder for every user account to minimize the administrator's effort in repeatedly creating "home" folders for all accounts. Windows ACL support on RS815+/​RS815RP+ allows IT administrators to fine tune access controls and set up privileges to files and folders on RS815+/​RS815RP+ through the familiar Windows user interface. With compatibility for major protocols, RS815+/​RS815RP+ can eliminate server configuration overhead and enhance IT administrators’ efficiency. Learn more


Optimize storage management

With Synology's Storage Manager, RS815+/​RS815RP+ allows for flexible storage deployment and utilization. You can optimize RAID configuration with Synology Hybrid RAID (SHR) while providing redundant data protection. Other features such as multiple volumes on single RAID and Global Hot Spare also greatly enhance management efficiency and fit deployment of any kind. Learn more


Synology CMS (Central Management System)

For enterprises with more than one Synology NAS server, CMS offers the flexibility and convenience for IT administrators to manage all of them from a single point of entry. Through a simple interface, you can obtain a clear overview on resource consumption and logs, helping you identify any issue right away. With group policies, CMS can do much more for your daily tasks. Once a NAS joins a group, it will automatically adopt its rules and behave as intended, without extra configuration. Learn more


Hardware Specifications
CPU Model INTEL Atom C2538
CPU Frequency Quad Core 2.4 GHz
Floating Point  
Hardware Encryption Engine (AES-NI)  
System Memory 2 GB DDR3
Memory Module Pre-installed 2 GB X 1
Total Memory Slots 2
Memory Expandable up to 6 GB (2 GB + 4 GB)
Drive Bay(s) 4
Maximum Drive Bays with Expansion Unit 8
Compatible Drive Type
  • 3.5" SATA(III) / SATA(II) HDD
  • 2.5" SATA(III) / SATA(II) HDD
  • 2.5" SATA(III) / SATA(II) SSD
Maximum Internal Raw Capacity 24 TB (6 TB HDD X 4) (Capacity may vary by RAID types) (See All Supported HDD)
Hot Swappable Drive  
External Ports
USB 3.0 Port 2
eSATA Port 1
File System
Internal Drives EXT4
External Drives
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
Size (Height X Width X Depth) 44 mm X 430.5 mm X 457.5 mm 
44 mm X 430.5 mm X 591.8 mm (for RP model)
Weight 6.73 kg 
9.36 kg (for RP model)
RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support)
Wake on LAN/WAN  
System Fan 40 mm X 40 mm X 3 pcs
Wireless Support (dongle)  
Noise Level* 25.3 dB(A) 
52.8 dB(A) (for RP model)
Power Recovery  
Scheduled Power On/Off  
Power Supply Unit / Adapter 250W 
2 X 250W (for RP model)
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 HZ, Single Phase
Power Consumption* 36.78W (Access) 
20.57W (HDD Hibernation) 
45.88W (Access, for RP model) 
30.74W (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
  • FCC Class A
  • CE Class A
  • BSMI Class A
Warranty 3 Years
  • Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 1TB ST31000520AS 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 Single Volume Size 108 TB
Maximum Internal Volume Number 512
Maximum iSCSI Target Number 32
Maximum iSCSI LUN 256
iSCSI LUN Clone/Snapshot, Windows ODX  
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)
SSD Support
SSD Read/Write Cache (White Paper)  
File Sharing Capacity
Maximum User Accounts 2048
Maximum Groups 256
Maximum Shared Folder 512
Maximum Shared Folder Sync Tasks 8
Maximum Concurrent CIFS/AFP/FTP Connections 512
Windows Access Control List (ACL) Integration  
NFS Kerberos Authentication  
High Availability Manager  
Log Center  
Syslog Events per Second 800
VMware vSphere 5 with VAAI  
Windows Server 2012  
Windows Server 2012 R2  
Citrix Ready  
Notes Performance figures could vary on different environments.
Add-on Packages (See more)
Antivirus Essential  
Antivirus by McAfee (Trial)  
Audio Station  
Central Management System  
Cloud Station  
Maximum Concurrent File Transfers 512
Cloud Sync  
Directory Server  
DNS Server  
Download Station  
Maximum Concurrent Download Tasks 80
Glacier Backup  
HiDrive Backup  
iTunes Server  
Java Manager  
Mail Server  
Mail Station  
Media Server  
DLNA Certification  
Note Station  
Photo Station  
RADIUS Server  
Surveillance Station  
Maximum IP cam (Licenses required) 40 (including 2 Free License) (See All Supported IP Cameras)
Total FPS (H.264)* 1200 FPS @ 720p (1280x800) 
480 FPS @ 1080p (1920×1080) 
250 FPS @ 3M (2048x1536) 
200 FPS @ 5M (2591x1944)
Total FPS (MJPEG)* 300 FPS @ 720p (1280x800) 
150 FPS @ 1080p (1920×1080) 
100 FPS @ 3M (2048x1536) 
60 FPS @ 5M (2591x1944)
Time Backup  
Maximum Task Number 8
Video Station  
Video Transcoding Group 1 (See more)
VPN Server  
Maximum Connections 20
Notes Surveillance Station throughput is tested with Axis P1347 (1280X720); FPS set to 30 at every channel.
Environment & Packaging
Environment RoHS Compliant
Packaging Content
  • Main Unit X 1
  • Welcome Note X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • AC Power Cord X 2 (for RP model)
Optional Accessories
  • Remote
  • Camera License Pack
  • 4GB DDR3 RAM Module
  • Expansion Unit: RX415 X 1
  • VS240HD
  • Synology RKS1314 - Rail Kit Sliding
  • Synology RKM114 - Rail Kit Mounted


Shipping Calculator

Skycomp Technology uses the best carriers in the business to make sure your order gets to you on time.
Australia Post eParcel 
eParcel generally takes 2-10 business days to be delivered depending on final destination.
We recommend you use this service for PO Box or if you believe your delivery address will be unattended as you will be able to collect this from your local Post Office. 

Australia eParcel Express
eParcel Express generally takes 1-3 business days to be delivered depending on final destination.
We recommend you use this service for PO Box or if you believe your delivery address will be unattended as you will be able to collect this from your local Post Office.

Other prefered partner
• Local Express:Delivered in 1-2 Business Days 
• Nationwide Delivery: 1-4 Business Days* 
• Nationwide Express: Next Business Day* 
*Allow extra days for regional areas 
All orders will be shipped from our Australian (NSW/QLD/VIC/WA) warehouses. More than 95% order are shipped via Australia Post E-Parcel and some from our preferred Partner listed below:

Following are the contact details of the freight companies we use:


Ph: 02-92800583 
Usually 24 hours after placing your order.

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