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Synology RackStation RS3621XS+, Storage server, Rack (2U), Intel® Xeon®, D-1541, 8 GB, DDR4
Synology RackStation RS3621XS+, Storage server, Rack (2U), Intel® Xeon®, D-1541, 8 GB, DDR4
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Synology RackStation RS3621XS+, Storage server, Rack (2U), Intel® Xeon®, D-1541, 8 GB, DDR4

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5 Years Warranty

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Product Code: NSHO-140

MPN #: RS3621XS+

Accelerate your business operations
The 12-bay RS3621xs+ is capable of delivering over 238K 4K random read IOPS and 5,819 MB/s sequential read throughput1— a true enterprise powerhouse. With full power supply redundancy, an 8-core processor, ECC memory, advanced snapshot technology, and file self-healing, the RS3621xs+ provides a reliable foundation to any data-driven business.

Storage you can trust
The RS3621xs+ keeps your data protected while you concentrate on delivering the best results to your customers — even when disaster strikes.

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

Maximize service availability
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.

Tailored to your business
The RS3621xs+ includes two PCIe slots for performance, networking, and storage upgrades enabling it to adapt to any business environment2.

Double bandwidth
Upgrade network bandwidth in minutes by 2x or more with Synology’s range of 10GbE NICs.

SSD cache3
Boost read/write IOPS by up to 16 times by enabling SSD cache with our Synology M.2 NVMe adapter cards and SNV3500 SSDs or by installing one or more 2.5” SAT5200 SSDs.

Storage expansion
Quickly and easily scale up to 36 drives with two RX1217(RP) expansion units.

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.

Active Backup Suite
Enables administrators to easily backup the entire IT infrastructure to their NAS, including Windows & Linux workstations and servers, file servers, VMware and Hyper-V virtual machines, and Microsoft 365 and Google Workspace accounts. Backups benefit from deduplication, multiversioning, and optimizations to reduce bandwidth and storage used.

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.

Specifications
Storage
Hot-swap drive bays Yes
RAID levels 5, 6
RAID support Yes
Storage drive sizes supported 2.5,3.5"
Storage drive interface Serial ATA II, Serial ATA III
Supported storage drive types HDD & SSD
Installed storage drive type No
Number of storage drives supported 12
Storage drives installed No
Processor
Conflict-Free processor Yes
On-board graphics card model Not available
CPU configuration (max) 1
Processor cores 8
Processor boost frequency 2.7 GHz
Processor frequency 2.1 GHz
Processor model D-1541
Processor family Intel® Xeon®
Processor manufacturer Intel
Memory
ECC Yes
Memory form factor UDIMM
Memory slots 4
Maximum RAM supported 64 GB
Internal memory type DDR4
Internal memory 8 GB
Network
Wake-on-LAN ready Yes
Ethernet LAN data rate supported (max) 10000 Mbit/s
Ethernet LAN Yes
Ports & interfaces
PCI Express x8 (Gen 3.x) slots 2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 2
USB port Yes
Ethernet LAN (RJ-45) ports 6
Design
Built-in speaker(s) No
Built-in display No
Fan diameter 8 cm
Number of fans 4 fan(s)
Product colour Black
Cooling type Active
Chassis type Rack (2U)
Performance
On/off switch Yes
Noise level 50.2 dB
Backup function Yes
Device class Small & Medium Business
Type Storage server
Power
AC input frequency 50 - 60 Hz
AC input voltage 100 - 240 V
Power consumption (HDD standby) 72.76 W
Power consumption (typical) 142.5 W
Redundant power supply (RPS) support Yes
Number of power supply units 1
Power supply unit (PSU) capacity 500 W
Weight & dimensions
Weight 14.5 kg
Height 88 mm
Depth 724 mm
Width 482 mm
Packaging content
Power cables quantity 2
Processor special features
Embedded options available No
Enhanced Intel SpeedStep Technology Yes
Execute Disable Bit Yes
Idle States Yes
Intel 64 Yes
Intel Enhanced Halt State Yes
Intel Secure Key Technology version 1.00
Intel TSX-NI Yes
Intel TSX-NI version 1.00
Intel Trusted Execution Technology Yes
Intel VT-x with Extended Page Tables (EPT) Yes
Intel Virtualization Technology (VT-x) Yes
Intel Virtualization Technology for Directed I/O (VT-d) Yes
Operational conditions
Storage temperature (T-T) -20 - 60 °C
Operating relative humidity (H-H) 5 - 95%
Operating temperature (T-T) 0 - 35 °C
Other features
Certification FCC CE BSMI VCCI RCM EAC CCC KC UL
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