Synology 16 Bay Rackstation RS4017xs Storage

Features

Powerful storage solution

RS4017xs+ provides rock-solid storage solution with ultra-high performance at over 240,079 random read IOPS and 6,221 MB/s sequential read throughput1. DDR4 ECC UDIMM and 10GbE connectivity guarantees data accuracy and performance for mission-critical environment.

• CPU : Intel® Xeon® D-1541 8-core processor
• RAM options : 8 GB DDR4 ECC UDIMM, up to 64 GB
• Network : Two 10GBase-T ports, optional 10GbE NIC support
• Chassis : 3U chassis design, 16 SATA drive bays

Robust scalability and reliability

Storage capacity of RS4017xs+ can be further scaled up when connected to two Synology Expansion Unit RX1217 or RX1217RP2, providing a total drive number of 40 without disrupting host services.

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.

Btrfs: Next generation storage efficiency

The Btrfs file system introduces cutting-edge 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

Specifications

CPU

• CPU Model : Intel Xeon D-1541
• CPU Architecture : 64-bit
• CPU Frequency : 8-core 2.1 (base) / 2.7 (turbo) GHz
• Hardware Encryption Engine (AES-NI) : Yes

Memory

• System Memory : 8 GB DDR4 ECC UDIMM
• Memory Module Pre-installed : 8 GB (8 GB x 1)
• Total Memory Slots : 4
• Maximum Memory Capacity : 64 GB (16 GB x 4)
• Notes : 
  • Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
  • For more information on the recommended memory configurations, visit here.
  • Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.

Storage

• Drive Bays : 16
• Maximum Drive Bays with Expansion Unit : 40 (RX1217/RX1217RP x 2)
• Compatible Drive Type* (See all supported drives) : 
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
• Maximum Single Volume Size* : 
  • 200 TB (32 GB RAM required, for RAID 5 or RAID 6 groups only)
  • 108 TB
• Hot Swappable Drive : Yes
• Notes : 
  • "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
  • Each internal volume (may consist of multiple drives) is expandable up to 108 TB (with memory less than 32 GB) or 200 TB (with memory equal to or greater than 32 GB).

External Ports

• RJ-45 1GbE LAN Port : 4 (with Link Aggregation / Failover support)
• RJ-45 10GbE LAN Port : 2 (with Link Aggregation / Failover support)
• USB 3.0 Port : 2
• Expansion Port : 2

PCIe

• PCIe Expansion : 2 x Gen3 x8 slots (x8 link)

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

• Form Factor (RU) : 3U
• Size (Height x Width x Depth) : 132.3 mm x 482 mm x 656.5 mm
• Weight : 17.4 kg
• Rack Installation Support* : 4-post 19" rack (Synology Rail Kit - RKS1317)
• Notes : The rail kit is sold separately

Others

• System Fan : 80 mm x 80 mm x 3 pcs
• Fan Speed Mode : 
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
• Easy Replacement System Fan : 
• Power Recovery : 
• Noise Level* : 44.7 dB(A)
• Scheduled Power On / Off : 
• Wake on LAN / WAN : 
• Power Supply Unit / Adapter : 800 W
• Redundant Power Supply : 
• AC Input Power Voltage : 100 V to 240 V AC
• Power Frequency : 50/60 Hz, Single Phase
• Power Consumption* :
  • 136.4 W (Access)
  • 69.2 W (HDD Hibernation)
  • British Thermal Unit : 465.7 BTU/hr (Access)
  • 236.3 BTU/hr (HDD Hibernation)
• Notes : 
  • Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75?C; Humidity: 58.2-61.8%

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
• CE
• BSMI
• EAC
• CCC
• KC
• VCCI
• RCM

Warranty

• 5 Years
• Notes : The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)

Environment

• RoHS Compliant
• Packaging Content
• Main Unit X 1
• Accessory Pack X 1
• AC Power Cord X 2
• Quick Installation Guide X 1

Optional Accessories

• DDR4 ECC UDIMM: D4EC-2666-8G/D4EC-2666-16G
• Expansion Units: RX1217/RX1217RP
• 2.5" SATA SSD: SAT5200
• M.2 SSD Adapter Card: M2D18
• 10GbE Network Interface Card: E10G18-T2/E10G18-T1/E10G17-F2
• Rail Kit Sliding: RKS1317
• VisualStation: VS960HD/VS360HD
• Surveillance Device License Pack
• Notes : 
  • All memory modules will operate at the maximum frequency specified by the CPU manufacturer.
  • Before installing D4EC-2666-16G, make sure your Synology NAS runs on DSM 6.2.2-24922-6 or above.
  • RS4017xs+ with M2D18 can only support M.2 SATA SSD. M.2 NVMe/AHCI PCIe SSD is not supported.

DSM Specifications

Storage Management

• Maximum Internal Volume Number : 256
• Maximum iSCSI Target Number : 256
• 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
  • RAID 10
• Volume Expansion by Adding a HDD : 
  • RAID F1
  • JBOD
  • RAID 5
  • RAID 6
• Global Hot Spare Supported RAID Type : 
  • RAID F1
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10

File Services

• File Protocol : CIFS/AFP/NFS/FTP/WebDAV
• Maximum Concurrent CIFS/AFP/FTP Connections : 2,000
• Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion) : 10,000
• Windows Access Control List (ACL) Integration : Yes
• NFS Kerberos Authentication : Yes
• Notes : 
  • Regarding data concerning tests with RAM expansion, all memory slots are installed with the maximum capacity of supported RAM.
  • During testing, the maximum number of SSDs supported by this model is installed in a RAID 5 configuration.

Account & Shared Folder

• Maximum Local User Accounts : 16,000
• Maximum Local Groups : 512
• Maximum Shared Folder : 512
• Maximum Shared Folder Sync Tasks : 32

High Availability

• Synology High Availability : Yes

Log Center

• Syslog Events per Second : 3,000

Virtualization

• VMware vSphere 6 with VAAI : Yes
• Windows Server 2012 : Yes
• Windows Server 2012 R2 : Yes
• Windows Server 2016 : Yes
• Windows Server 2019 : Yes
• Citrix Ready : Yes
• OpenStack : Yes

General Specifications

• Networking Protocols : SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
• Supported Browsers : 
  • Google Chrome
  • Firefox
  • Microsoft Edge
  • Internet Explorer 10 onwards
  • Safari 10 onwards
  • Safari (iOS 10 onwards)
  • Google Chrome (Android 6.0 onwards)
• Supported Language : English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, ???????, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, ?eský, ???????, ???, ???, ????, ????