Synology RackStation RS3618xs SAN/NAS Storage System - Intel Xeon D-1521 Quad-core (4 Core) 2.40 GHz - 12 x HDD Supported - 144 TB Supported HDD Capacity - 12 x SSD Supported - 8 GB RAM DDR4 SDRAM - Serial ATA Controller0, 1, 5, 6, 10, Basic, JBOD, RAID F1 - 12 x Total Bays - 12 x 2.5"/3.5" Bay - 2 x Total Slot(s) - Gigabit Ethernet - 2 USB Port(s) - 2 USB 3.0 Port(s) - Network (RJ-45) - DiskStation Manager - iSCSI, DLNA, AFP, CIFS, Kerberos, FTP, HTTP, RSync, NFS, SMB - 2U - Rack-mountable

Hardware Specifications
CPU
CPU Model
Intel Xeon D-1521
CPU Architecture
64-bit
CPU Frequency
Quad Core 2.4 (base) / 2.7 (turbo) GHz
Hardware Encryption Engine (AES-NI)
yes
Memory
System Memory
8 GB DDR4 ECC UDIMM
Memory Module Pre-installed
8GB (1 x 8GB)
Total Memory Slots
4
Memory Expandable up to
64 GB (16 GB x 4)
Storage
Drive Bays
12
Maximum Drive Bays with Expansion Unit
36
Compatible Drive Type (See all supported drives)
3.5inch SATA HDD
2.5inch SATA HDD
2.5inch 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
432 TB (144 TB + 12 TB drive x 24) (Capacity may vary by RAID types)
Maximum Single Volume Size
200 TB (32GB RAM required, for RAID 5 or RAID 6 groups only)
108 TB
Hot Swappable Drive
yes
External Ports
RJ-45 1GbE LAN Port
4 (with Link Aggregation / Failover support)
USB 3.0 Port
2
Expansion Port
2
PCIe
PCIe Expansion
2 x Gen3 x8 slots (x8 link)
Add-in-card supportPCIe
Network Interface Card
File System
Internal Drives
Btrfs
EXT4
External Drives
Btrfs
EXT4
EXT3
FAT
NTFS
HFS+
exFAT
Notes
exFAT Access is purchased separately in Package Center.
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
yes
Power Recovery
yes
Noise Level
50.2 dB(A)
Scheduled Power On/Off
yes
Wake on LAN/WAN
yes
Power Supply Unit / Adapter
500W
AC Input Power Voltage
100V to 240V AC
Power Frequency
50/60 Hz, Single Phase
Power Consumption
142.76 W (Access)
55.05 W (HDD Hibernation)
British Thermal Unit
487.12 BTU/hr (Access)
187.84 BTU/hr (HDD Hibernation)
Environment Temperature
Operating Temperature
5oC to 35oC (40oF to 95oF)
Storage Temperature
-20oC to 60oC (-5oF to 140oF)
Relative Humidity
5% to 95% RH
Certification
EAC
VCCI
CCC
RCM
FCC
CE
BSMI
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: 24.25-25.75oC Humidity: 58.2-61.8%
DSM Specifications
Storage Management
Maximum Internal Volume Number
1024
Maximum iSCSI Target Number
64
Maximum iSCSI LUN
512
iSCSI LUN Clone/Snapshot, Windows ODX
yes
SSD Read/Write Cache (White Paper)
yes
SSD TRIM
yes
RAID Group
yes
Supported RAID Type
RAID F1
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
RAID F1
RAID 1
RAID 5
RAID 6
Volume Expansion by Adding a HDD
RAID F1
RAID 5
RAID 6
JBOD
Global Hot Spare Supported RAID Type
RAID F1
RAID 1
RAID 5
RAID 6
RAID 10