Synology DiskStation DS1621+ 6-Bay 3.5" SATA HDD NAS Server

Describe

Review NAS Synology DS1621+

Before looking into detailed information about DS1621+, let's watch the review video below:

Powerful, scalable, and flexible DS1621+

The Synology DS1621+ NAS is a compact and powerful 6-bay storage device designed to store and protect critical data. Today's ever-increasing volume of unstructured data requires storage methods that offer large capacity, smarter access and collaboration, and high performance. Designed for scalability, the DS1621+ lets you start small, then scale up as your data grows.

CPU

AMD Ryzen ™
Quad-Core 2.2GHz

Speed up cache

Dual M.2 2280 slots for NVMe caching

Efficiency

110K, 174% higher 4K random read IOPS

Scalability

Expand up to 16 drives with two DX517 expansion units

Easily increase performance

Reduce data transfer times with the DS1621+, designed to accelerate workloads. Add network-attached drives and NVMe drives quickly and easily to increase performance.

Increase read and write speeds up to 2,323/1,434 MB/s.
Upgrade network speeds up to 25 GbE.
Features 2 M.2 caches.

Expand memory on demand

The DS1621+ takes full advantage of high-performance networking and file access without taking up unnecessary space. It features 6 drive bays built-in and can be expanded to 16 bays with 2 DX517 expansion units as data storage needs grow.

Optimized file management and sharing

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

Support for a variety of virtualization solutions

DS1621+ integrates VMware vSphere 6 and VAAI to offload storage operations and optimize computing efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration speeds. Meanwhile, OpenStack Cinder support turns Synology NAS into a block-based storage component.

The Ultimate Backup Solution

Synology DS1621+ integrates various backup applications into an intuitive user interface, providing durable storage technologies to protect 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.
Learn more

Hyper Backup

Coprehensively 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.
Learn more

Synology Drive

Safeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.
Learn more

Active Backup for<br>Microsoft 365 / Google Workspace

Active Backup for
Microsoft 365 / Google Workspace

On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.

Works best with Synology drives

Designed to handle intensive workloads 24/7, Synology drives always deliver peak performance.

Design of Synology DS1621+


1/ Status light	9/ System fan
2/ Warning lights	10/ Power port
3/ Power button and indicator light	11/ Kensington security slot
4/ LAN light	12/ 1 GbE RJ-45 port
5/ Drive status light	13/ Restart button
6/ Drive tray	14/ Expansion port
7/ Lock the drive tray	15/ PCIe expansion slot
8/ USB 3.2 Gen 1 Port

Synology DiskStation DS1621+ 6-Bay 3.5" SATA HDD NAS Server | Synology |

Key Features 6 x 3.5"/2.5" SATA HDD/SSD Drive Bays 2.2 GHz AMD Ryzen V1500B Quad-Core 4GB of DDR4 ECC RAM 4 x Gigabit Ethernet Ports 3 x USB 3.2 Gen 1 Type-A \| 2 x eSATA RAID 0, 1, 5, 6, 10, Hybrid, and JBOD Sequential Writes up to 2300 MB/s AES-NI Hardware Encryption Engine M.2 2280 SSD & 10GbE Expansion Slots Synology DiskStation Manager OS
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)	✓
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	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. 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 about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product.
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
Hot Swappable Drive*	✓
Notes	The hot swappable drive feature is not supported by M.2 SSD slots. "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.
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	✓
Brightness Adjustable Front LED Indicators	✓
Power Recovery	✓
Noise Level*	25.2 dB(A)
Scheduled Power On / Off	✓
Wake on LAN / WAN	✓
Power Supply Unit / Adapter	250 W
AC Input Power Voltage	100V to 240V 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
FCC CE BSMI EAC CCC KC VCCI RCM
Warranty
3-year hardware warranty, extendable to 5 years with EW201
Notes	Availability varies by region. Before purchasing, please visit the official web pages of EW201/202 and Extended Warranty Plus for a list of eligible regions. 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 1 RJ-45 LAN Cable X 2 Quick Installation Guide X 1
Optional Accessories
DDR4 ECC SODIMM: D4ES01-4G/D4ES01-8G/D4ECSO-2666-16G Expansion Units: DX517 3.5" SATA HDD: HAT5300 2.5" SATA SSD: SAT5210 M.2 2280 NVMe SSD: SNV3410 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.

NAS
Drive bay	6-Bay
Form Factor	Tower
Hot Swap	Hot Swap
LAN Ports	4 Ports
Product Line	DS Plus series

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