2U, Intel Xeon D-1521 (4x 2.4GHz), 8GB DDR4, 12x 2.5"/3.5" SATA, 4x RJ-45, 2x USB 3.0, 2x PCIe Gen3 x8 + 12x 144TB HDD

Description

High-speed scalable storage server
Synology RS3618xs is a reliable, superior-performance network-attached storage solution for large-scale enterprises with demanding business applications. It simplifies data management, optimizes virtualization environments, and rapidly expands storage capacity with minimal time investment in setup and maintenance.

Ready for 10GbE and beyond
PCIe 3.0 slots allow for faster networking options as you expand your infrastructure. Together with the built-in quad Gigabit ports, RS3618xs offers comprehensive connectivity options for link aggregation and failover configurations.

Ultimate Backup Solution
RS3618xs integrates various backup applications to safeguard your important data on any device with an intuitive user interface and durable storage technologies.

Active Backup for Business
Centralize backup tasks for VMware, Windows, and file servers. Restore whatever you want fast and reliably when needed.
Hyper Backup
Comprehensively back up your data to a local shared folder, an external device, another Synology NAS, an rsync server, or a public cloud to ensure data safety.
Synology Drive
Safeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.
Active Backup for Office 365 / G Suite
Protect corporate data stored on the cloud. On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.

Fully certified storage virtualization solutions
Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimizes computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component.

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 all 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 makes data recovery fast and flexible
- Automatic file self-healing detects and recovers corrupted files without user intervention

Powered by Synology DSM

Central Management System
Manage multiple Synology NAS servers simultaneously on a centralized interface to increase business efficiency.
Snapshot Replication
Schedulable and instantaneous data protection of shared folders and iSCSI LUNs for disaster prevention.
Virtual Machine Manager
Run various operating systems in isolated sandboxes. Seamlessly clone, restore and migrate virtual machines.
Synology MailPlus
Secure, reliable, and private mail server solution with an intuitive and modern mail client.
Synology High Availability
Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
Synology Drive
A versatile solution for file management and synchronization.

Specifications

Storage
Total installed storage capacity 144 TB
Online RAID migration Yes
Online RAID expansion Yes
Storage drives installed Yes
Installed storage drive type HDD
Number of storage drives installed 12
Supported storage drive types HDD & SSD
Number of storage drives supported 12
Storage drive interface Serial ATA II, Serial ATA III
Storage drive capacity 12 TB
Hot-swap drive bays Yes
RAID support Yes
Supported file systems Fat, HFS+, NTFS, ext3, ext4
RAID levels 0, 1, 5, 6, 10, JBOD
Supported storage drive interfaces Serial ATA II, Serial ATA III
Storage drive sizes supported 2.5,3.5"
Processor
Processor manufacturer Intel
Processor threads 8
Processor cache 6 MB
Processor boost frequency 2.7 GHz
CPU configuration (max) 1
Conflict-Free processor Yes
Processor frequency 2.4 GHz
Processor family Intel® Xeon® D
Processor model D-1521
Processor cores 4
Memory
Internal memory type DDR4
Internal memory 8 GB
Memory clock speed 2133 MHz
Maximum RAM supported 64 GB
Memory slots 4
Memory form factor UDIMM
Network
Link aggregation Yes
Ethernet LAN Yes
Ethernet LAN data rates 10,100,1000 Mbit/s
Wake-on-LAN ready Yes
Supported network protocols CIFS, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN)
iSCSI support Yes
Ports & interfaces
USB port Yes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 2
PCI Express x8 (Gen 3.x) slots 2
Ethernet LAN (RJ-45) ports 4
Hard drive
RAID support Yes
Supported file systems Fat, HFS+, NTFS, ext3, ext4
RAID levels 0, 1, 5, 6, 10, JBOD
Design
Cooling type Active
Fan diameter 8 cm
Product colour Black
Number of fans 4 fan(s)
LED indicators Yes
Chassis type Rack (2U)
Technical details
Type NAS
Device class Large Enterprise Business
Backup function Yes
Backup features Cloud, iSCSI LUN
Product colour Black
Number of users 16000 user(s)
Noise level 50.2 dB
Multilingual support Yes
LED indicators Yes
Chassis type Rack (2U)
Number of fans 4 fan(s)
Sustainability compliance Yes
Harmonized System (HS) code 84714100
Compliance certificates RoHS
Performance
Built-in UPnP AV media server Yes
Built-in FTP server Yes
System log Yes
Share folder CIFS, AFP, FTP
S.M.A.R.T. support Yes
Hot spare Yes
Type NAS
Device class Large Enterprise Business
Backup function Yes
Backup features Cloud, iSCSI LUN
On/off switch Yes
Windows operating systems supported Windows 10, Windows 7
Server operating systems supported Windows Server 2012, Windows Server 2012 R2
Mac operating systems supported Yes
Web-based management Yes
Security algorithms HTTPS, SSH, SSL/TLS
Reset button Yes
Operating system installed DiskStation Manager
Number of users 16000 user(s)
Noise level 50.2 dB
Multilingual support Yes
Access Control List (ACL) Yes
Cooling
Cooling type Active
Fan diameter 8 cm
Number of fans 4 fan(s)
Security
Security algorithms HTTPS, SSH, SSL/TLS
Access Control List (ACL) Yes
Software
Windows operating systems supported Windows 10, Windows 7
Server operating systems supported Windows Server 2012, Windows Server 2012 R2
Mac operating systems supported Yes
Operating system installed DiskStation Manager
Management features
On/off switch Yes
Web-based management Yes
Reset button Yes
Power
Power consumption (HDD standby) 55.05 W
Power supply location Built-in
Power supply unit (PSU) capacity 500 W
AC input voltage 100 - 240 V
AC input frequency 50 - 60 Hz
Power consumption (typical) 142.76 W
Number of power supply units 1
Weight & dimensions
Width 482 mm
Depth 724 mm
Height 88 mm
Packaging content
Cables included AC
Power cables quantity 1
Processor special features
Intel VT-x with Extended Page Tables (EPT) Yes
Intel Virtualization Technology for Directed I/O (VT-d) Yes
Intel Virtualization Technology (VT-x) Yes
Intel TSX-NI version 1.00
Intel TSX-NI Yes
Intel Trusted Execution Technology Yes
Intel Secure Key Technology version 1.00
Intel Enhanced Halt State Yes
Intel 64 Yes
Idle States Yes
Execute Disable Bit Yes
Enhanced Intel SpeedStep Technology Yes
Embedded options available No
Sustainability
Sustainability compliance Yes
System requirements
Windows operating systems supported Windows 10, Windows 7
Server operating systems supported Windows Server 2012, Windows Server 2012 R2
Mac operating systems supported Yes
Operational conditions
Storage temperature (T-T) -20 - 60 °C
Storage relative humidity (H-H) 5 - 95%
Operating temperature (T-T) 5 - 35 °C
Operating relative humidity (H-H) 5 - 95%
Operating altitude 0 - 5000 m
Certificates
Certification EAC, VCCI, CCC, RCM, FCC, CE, BSMI
Logistics data
Harmonized System (HS) code 84714100
Packaging data
Cables included AC
Other features
Certification EAC, VCCI, CCC, RCM, FCC, CE, BSMI
Compliance certificates RoHS
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