Synology RackStation RS3621RPxs NAS Rack (2U) Intel® Xeon® D D-1531 8 GB DDR4 192 TB HDD DiskStation Manager Black

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  • 192TB. 2U
  • Intel Xeon D-1531 (6x 2.2GHz)
  • 8GB DDR4
  • 12x 2.5"/3.5"
  • 2x USB 3.2 Gen 1
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SKU #: RS3621RPXS/192T/12X16T
UNSPSC #: 43201835
Safeguard your business assets
Synology RS3621RPxs is a powerful 12-bay storage server. Its 6-core processor enables compute-intensive services while its redundant power, ECC memory, and Btrfs file system safeguard mission-critical data. Capable of delivering 189,098 4K random read IOPS and 4,718 MB/s sequential read throughput1, it is ideal for small businesses.

Reliability first
Service continuity is at the core of the RS3621RPxs design.

Redundant power
Dual PSUs provide protection against a PSU failure or accidental cord removal while hot-swappable fans can be replaced without powering down the system.

Near-zero downtime
Synology High Availability (SHA) pairs two identical units together creating an active-passive cluster with minute-level failover.

Next-generation file system
Btrfs prevents data corruption and reduces maintenance overheads with advanced storage technologies and optimized snapshots.

Customize to suit
The two built-in PCIe slots allow users to customize the RS3621RPxs to satisfy unique performance, networking, and storage requirements2.

10GbE ready
Support for 10GbE NICs expands the throughput of the unit by up to 5x times using link aggregation.

SSD cache3
Boost read/write IOPS by up to 16 times by enabling SSD cache via our Synology M.2 NVMe adapter cards and SNV3000 Series SSDs or by installing one or more 2.5” SAT5200 SSDs.

On-demand drive bays
Expand to 36 drive bays using two RX1217(RP) expansion units with minimal intervention.

Hyper Backup
A comprehensive backup and recovery solution for securing data stored on Synology servers. Backup data locally, to another Synology device, rsync server, or cloud-based storage such as Google Drive, Dropbox, S3-compatible destinations, and Synology C2. Deduplication4, integrity checks, and incremental transfer technology reduce bandwidth and storage used.

Snapshot Replication
Easily schedule flexible point-in-time backups of shared folders and iSCSI LUNs with an RPO as low as 5 minutes and recovery in seconds. Set up replication and failover to other Synology storage systems for fast RTOs and minimal service disruption.

Storage for virtualization
Synology iSCSI storage supports mainstream virtualization solutions with an easy management interface to enhance usability. VMware vSphere 6.5 and VAAI integration helps offload storage operations. Windows Offloaded Data Transfer (ODX) speeds up data transfer. OpenStack Cinder support turns your Synology NAS into a block-based storage component. Additionally, Synology Storage Console enables even more simplified storage provisioning and management options in VMware and Windows environments

Works best with Synology drives
Engineered to handle intensive 24/7 workloads, Synology drives consistently deliver top-grade performance.
SKU RS3621RPXS/192T/12X16T
Manufacturer Synology
In Stock N
Storage
Total installed storage capacity192 TB
Online RAID migrationYes
Online RAID expansionYes
Storage drives installedYes
Installed storage drive typeHDD
Number of storage drives installed12
Supported storage drive typesHDD & SSD
Number of storage drives supported12
Storage drive capacity16 TB
Hot-swap drive baysYes
RAID supportYes
Supported file systemsBTRFS, Fat, HFS+, NTFS, exFAT, ext3, ext4
RAID levels0, 1, 5, 6, 10, F1, JBOD
Supported storage drive interfacesSerial ATA II, Serial ATA III
Storage drive sizes supported3.5,2.5"
Processor
Processor manufacturerIntel
Processor threads12
Processor cache9 MB
Processor boost frequency2.7 GHz
CPU configuration (max)1
Conflict-Free processorYes
Processor frequency2.2 GHz
Processor familyIntel® Xeon® D
Processor modelD-1531
Processor cores6
Memory
Internal memory typeDDR4
Internal memory8 GB
Maximum RAM supported64 GB
Memory slots4
Memory form factorUDIMM
ECCYes
Network
Link aggregationYes
Ethernet LANYes
Ethernet LAN data rates10,100,1000 Mbit/s
Wake-on-LAN readyYes
Supported network protocolsSMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN
iSCSI supportYes
Ports & interfaces
USB portYes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity2
PCI Express x8 (Gen 3.x) slots2
Ethernet LAN (RJ-45) ports4
Hard drive
RAID supportYes
Supported file systemsBTRFS, Fat, HFS+, NTFS, exFAT, ext3, ext4
RAID levels0, 1, 5, 6, 10, F1, JBOD
Design
Cooling typeActive
Fan diameter8 cm
Product colourBlack
Number of fans4 fan(s)
LED indicatorsYes
Chassis typeRack (2U)
Technical details
TypeNAS
Device classSmall & Medium Business
Backup functionYes
Backup featuresCloud, iSCSI LUN
Product colourBlack
Number of users4000 user(s)
Noise level50.2 dB
Multilingual supportYes
LED indicatorsYes
Chassis typeRack (2U)
Number of fans4 fan(s)
Sustainability complianceYes
Compliance certificatesRoHS
Performance
Built-in iTunes serverYes
Built-in FTP serverYes
System logYes
Share folderSMB/NFS/AFP/FTP
Browser supportedChrome, Firefox, Edge, Internet Explorer, Safari
TypeNAS
Device classSmall & Medium Business
Backup functionYes
Backup featuresCloud, iSCSI LUN
On/off switchYes
Windows operating systems supportedYes
Mac operating systems supportedYes
Web-based managementYes
Security algorithmsHTTPS, SSH, SSL/TLS
Reset buttonYes
Operating system installedDiskStation Manager
Number of users4000 user(s)
Noise level50.2 dB
Multilingual supportYes
Access Control List (ACL)Yes
Third-party supportYes
SnapshotYes
Cooling
Cooling typeActive
Fan diameter8 cm
Number of fans4 fan(s)
Security
Security algorithmsHTTPS, SSH, SSL/TLS
Access Control List (ACL)Yes
Software
Windows operating systems supportedYes
Mac operating systems supportedYes
Operating system installedDiskStation Manager
Management features
On/off switchYes
Web-based managementYes
Reset buttonYes
Power
Power consumption (HDD standby)65.94 W
Power supply locationBuilt-in
Power supply unit (PSU) capacity500 W
AC input voltage100 - 240 V
Redundant power supply (RPS) supportYes
Power consumption (typical)140.01 W
Weight & dimensions
Width482 mm
Depth724 mm
Height88 mm
Packaging content
Cables includedAC
Power cables quantity2
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 version1.00
Intel TSX-NIYes
Intel Trusted Execution TechnologyYes
Intel Secure Key Technology version1.00
Intel Enhanced Halt StateYes
Intel 64Yes
Idle StatesYes
Execute Disable BitYes
Enhanced Intel SpeedStep TechnologyYes
Embedded options availableNo
Sustainability
Sustainability complianceYes
System requirements
Windows operating systems supportedYes
Mac operating systems supportedYes
Operational conditions
Storage temperature (T-T)-20 - 60 °C
Storage relative humidity (H-H)5 - 95%
Operating temperature (T-T)0 - 35 °C
Operating relative humidity (H-H)5 - 95%
Operating altitude0 - 5000 m
Packaging data
Cables includedAC
Other features
Compliance certificatesRoHS