Synology RackStation RS815+

Hardware Specifications

CPU

CPU Model INTEL Atom C2538
CPU Frequency Quad Core 2.4 GHz
Floating Point
Hardware Encryption Engine (AES-NI)

Memory

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)

Storage

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+

Appearance

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)

Others

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

Certification

- FCC Class A
- CE Class A
- BSMI Class A

Notes

-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

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)
SSD TRIM

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
Virtualization
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
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.