SYN-DS1621+

Overview:

DiskStationDS1621+ - Powerful, scalable, and versatile
Synology DS1621+ is a powerful and compact 6-bay network attached storage solution designed to store and protect critical data assets. Todays growing amount of unstructured data requires smarter and increasingly higher performance methods of storing, accessing, and collaborating. Designed for scalability, the DS1621+ enables you to start small, then expand as your data grows.

CPU
AMD Ryzen Quad-core 2.2 GHz

Cache Acceleration
Dual M.2 2280 slots for NVMe Cache

Performance
110K, 174% higher 4K random read IOPS

Scalability
Expand up to 16 drives with two DX517 expansion units

Features:

Faster than ever
Compared to its predecessor, DS1621+ is faster in just about everything. Get things done quicker through Synology Drive and streamline photo management with Synology Moments.

Turbocharge and expand it
Upgrade your DS1621+ to match your data requirements, whether it is for faster networking or for higher storage capacity.

• 2 x M.2 NVMe Enable ultra-fast NVMe cache to accelerate HDD arrays by 20X or more
• 10GbE support Add in faster SFP+ or RJ-45 networking to turbocharge existing workflows
• Storage Expansion Supports two DX517 expansion units for a total of 16 bays

Ultimate file management and sharing
File Station is a web-based, fast and secure management tool built to allow easy, drag-and-drop operations without requiring any complex setup on Mac or PC. Advanced search and filtering tools allow for easy organization and file sharing. For complete compatibility, DS1621+ supports the following protocols: AFP, FTP, iSCSI, NFS, SMB, and WebDAV.

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.

Ultimate Backup Solution
DS1621+ integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device.

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.

Central Management System
Conveniently manage your fleet of Synology NAS from a centralized console.

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.

Security
Secure data with comprehensive built-in security tools to protect your devices against evolving threats.

Synology Drive
Instantly access your NAS files across multiple devices whenever you want, wherever you are.

Surveillance Station
Complete surveillance solution for recording, monitoring, and management.

Specifications:

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Specifications
Product Code	SYN-DS1621+
CPU
CPU Model	AMD Ryzen V1500B
CPU Quantity	1
CPU Architecture	64-bit
CPU Frequency	4-core 2.2 GHz
Hardware Encryption Engine (AES-NI)	Yes
Memory
System Memory	4 GB DDR4 ECC SODIMM
Memory Module Pre-installed	4 GB (4 GB x 1)
Total Memory Slots	2
Maximum Memory Capacity	32 GB (16 GB x 2)
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.
	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	6
Maximum Drive Bays with Expansion Unit	16 (DX517 x 2)
M.2 Drive Slots	2 (NVMe)
Compatible Drive Type* (See all supported drives)	3.5" SATA HDD
	2.5" SATA HDD
	2.5" SATA SSD
	M.2 2280 NVMe SSD
Maximum Single Volume Size	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 108TB.
External Ports
RJ-45 1GbE LAN Port	4 (with Link Aggregation / Failover support)
USB 3.2 Gen 1 Port	3
eSATA Port	2
Notes	The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
PCIe
PCIe Expansion	1 x Gen3 x8 slot (x4 link)
File System
Internal Drives	Btrfs
	EXT4
External Drives	Btrfs
	EXT4
	EXT3
	FAT
	NTFS
	HFS+
	exFAT
Notes	exFAT Access can be installed for free from Package Center in DSM 7.0. In DSM 6.2 or earlier versions, exFAT Access needs to be purchased in Package Center.
Appearance
Size (Height x Width x Depth)	166 mm x 282 mm x 243 mm
Weight	5.1 kg
Others
System Fan	92 mm x 92 mm x 2 pcs
Fan Speed Mode	Full-Speed Mode
	Cool Mode
	Quiet Mode
Easy Replacement System Fan	Yes
Brightness Adjustable Front LED Indicators	Yes
Power Recovery	Yes
Noise Level	25.2 dB(A)
Scheduled Power On / Off	Yes
Wake on LAN / WAN	Yes
Power Supply Unit / Adapter	250 W
AC Input Power Voltage	100 V to 240 V AC
Power Frequency	50/60 Hz, Single Phase
Power Consumption	51.22 W (Access)
	25.27 W (HDD Hibernation)
British Thermal Unit	174.77 BTU/hr (Access)
	86.22 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	0°C to 40°C (32°F to 104°F)
Storage Temperature	-20°C to 60°C (-5°F to 140°F)
Relative Humidity	5% to 95% RH
Certification
Certification	FCC
	CE
	BSMI
	EAC
	CCC
	KC
	VCCI
	RCM
Environment
Environment	RoHS Compliant
Packaging Content
Packaging Content	Main Unit X 1
	Accessory Pack X 1
	AC Power Cord X 1
	RJ-45 LAN Cable X 2
	Quick Installation Guide X 1
Optional Accessories
Optional Accessories	DDR4 ECC SODIMM: D4ES01-4G/D4ES01-8G/D4ECSO-2666-16G
	Expansion Units: DX517
	3.5" SATA HDD: HAT5300
	2.5" SATA SSD: SAT5200
	M.2 2280 NVMe SSD: SNV3400
	25GbE Network Interface Card: E25G21-F2
	10GbE Network Interface Card: E10G21-F2/E10G18-T2/E10G18-T1
	VisualStation: VS360HD
	Surveillance Device License Pack
Notes	All memory modules will operate at the maximum frequency specified by the CPU manufacturer.