Hardware Specifications
CPU
CPU Model Intel Atom C3538
CPU Architecture 64-bit
CPU Frequency Quad Core 2.1 GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory 4 GB DDR4
Memory Module Pre-installed 4GB (1 x 4GB)
Total Memory Slots 4
Memory Expandable up to 64 GB (16 GB x 4)
Storage
Drive Bays 12
Maximum Drive Bays with Expansion Unit 24
Compatible Drive Type* (See all supported drives)
3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
Maximum Internal Raw Capacity 144 TB (12 TB drive x 12) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units 288 TB (144 TB + 12 TB drive x 12) (Capacity may vary by RAID types)
Maximum Single Volume Size 108 TB
Hot Swappable Drive
Notes
"Compatible drive type" indicates the drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
The maximum raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit. (Learn more)
External Ports
RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support)
USB 3.0 Port 2
Expansion Port 1
PCIe
PCIe Expansion 1 x Gen3 x8 slot (black, x4 link)
Add-in-card support
M2D17 - Dual M.2 SSD adapter card for SSD cache
PCIe Network Interface Card (Learn more)
Notes RS2418+/RS2418RP+ with M2D17 can only support M.2 SATA SSD. M.2 NVMe/AHCI PCIe SSD is not supported.
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) 88 mm x 482 mm x 696 mm
88 mm x 482 mm x 724 mm (for RP model)
Weight 13.22 kg
13.85 kg (for RP model)
Others
System Fan 80 mm x 80 mm x 4 pcs
Fan Speed Mode
Full-Speed Mode
Cool Mode
Quiet Mode
Easy Replacement System Fan
Power Recovery
Noise Level* 54 dB(A)
54.1 dB(A) (for RP model)
Scheduled Power On/Off
Wake on LAN/WAN
Power Supply Unit / Adapter 500W
2 X 500W (for RP model)
AC Input Power Voltage 100V to 240V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 109 W (Access)
52.4 W (System Hibernation)
119.6 W (Access, for RP model)
55.9 W (System Hibernation, for RP model)
British Thermal Unit 371.92 BTU/hr (Access)
178.8 BTU/hr (System Hibernation)
408.09 BTU/hr (Access, for RP model)
190.74 BTU/hr (System 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
FCC
CE
BSMI
Warranty 3 Year Hardware Warranty, Extendable to 5 Year Coverage - EW202
Notes
Support for Wake on WAN needs switch and routers which recognize Magic Packet.
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
RAID Group
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
RAID 6
JBOD
Global Hot Spare Supported RAID Type
Synology Hybrid RAID
RAID 1
RAID 5
RAID 6
RAID 10
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 1000
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 1000
Maximum Number of Concurrently Connected Devices (with RAM expansion) 2000
Maximum Number of Synced Files (btrfs) 1,000,000 / single file reaction time 776 ms
Maximum Number of Synced Files (ext4) 1,000,000 / single file reaction time 521 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 100 (Btrfs) / 100 (EXT4)
Maximum Server Performance 940,000 (Btrfs) / 1,016,000 (EXT4) emails per day, approx. 28.7 GB (Btrfs) / 31 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)
960 FPS @ 1080p (1920×1080)
520 FPS @ 3M (2048x1536)
320 FPS @ 5M (2591x1944)
240 FPS @ 4K (3840x2160)
Total FPS (H.265)* 1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920×1080)
880 FPS @ 3M (2048x1536)
520 FPS @ 5M (2591x1944)
400 FPS @ 4K (3840x2160)
Total FPS (MJPEG)* 560 FPS @ 720p (1280x720)
270 FPS @ 1080p (1920×1080)
190 FPS @ 3M (2048x1536)
110 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
Optional Accessories
Surveillance Device License Pack
D4N2133-4G DDR4 non-ECC UDIMM*
RAMEC2133DDR4-16G DDR4 ECC UDIMM
Expansion Unit: RX1217/RX1217RP X 1
VS360HD
VS960HD
Synology RKS1317 - Rail Kit Sliding
Synology Ethernet Adapter E10G15-F1
Synology Ethernet Adapter E10G17-F2
Synology M2D17 M.2 SSD adapter card
Notes Mixing use of non-ECC and ECC memory modules is not supported.

Synology RackStation RS2418+ is a 12-bay NAS designed for small and medium sized businesses. It provides scalable storage capacity with affordable total cost of ownership, ideal to serve as a file server or centralized backup destination. It can be seamlessly integrated in virtual environments and provides easy to use storage applications to safeguard company data assets. Synology RS2418+ is backed by Synology's 3 year limited warranty.


Specification:

•CPU Frequency: Quad Core 2.1GHz
•Floating Point
•Memory: DDR4 4GB (Expandable, up to 64GB
•Internal HDD/SSD: 3.5" or 2.5" SATA(II) x12 (Hard drive not included)
•Max Internal Capacity: 96TB (12x 8TB HDD) (Capacity may vary by RAID types)
•Hot Swappable HDD
•External HDD Interface: USB 3.0 Port X 2,Epansion Port x1
•Size (HxWxD): 88x430.5x664mm
•Weight: 13.22Kg
•LAN: Gigabit x4
•Link Aggregation
•Wake on LAN/WAN
•System Fan: 80x80mm x4
•Easy Replacement System Fan
•Wireless Support (dongle)
•Noise Level: 39.3 dB(A)
•Power Recovery
•AC Input Power Voltage: 100V-240V AC
•Power Frequency: 50/60 Hz, Single Phase
•Power Consumption: 88W (Access); 36W (HDD Hibernation)
•Operating Temperature: 5°C-35°C
•Storage Temperature: -10°C-70°C
•Relative Humidity: 5%-95% RH
•Maximum Operating Altitude: 6,500 feet