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Plus Series : DiskStation DS1621+
Data management and protection, for anyone
CPU: AMD Ryzen V1500B 4-core 2.2 GHz
RAM: 4 GB DDR4 ECC SODIMM (MAX 32GB)
M.2 NEMe Slots x2
Gigabit LAN Port x4
USB 3.2 Gen 1 Port x3
eSATA Port x2
PCIe Gen3 x8 slot x1
3 Years Warranty
Synology DS1621+ is a powerful and compact 6-bay network attached storage solution designed to store and protect critical data assets. Today’s 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.
AMD Ryzen™
Quad-core 2.2 GHz
Dual M.2 2280 slots for NVMe Cache
110K, 174% higher 4K random read IOPS1
Expand up to 16 drives with two DX517 expansion units
The DS1621+ is faster in just about everything you can imagine. Get things done quicker through Synology Drive and faster and smoother photos management with Synology Moments.1
Upgrade your DS1621+ to match your data requirements, whether it is for faster networking or for higher storage capacity.
HDD/SSDs, 10GbE network adapter cards, and expansion units are sold separately.
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.
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.
DS1621+ integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device.
Centralize backup tasks for VMware, Windows, and file servers. Restore whatever you want fast and reliably when needed.
Learn more
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.
Learn more
Safeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.
Learn more
Protect corporate data stored on the cloud. On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.
Microsoft 365G Suite
DS1621+ is designed to reliably store your data and is backed by Synology's three-year hardware warranty. An optional two-year extended warranty is available in select regions for up to five years of coverage. Learn more
Manage multiple Synology NAS servers simultaneously on a centralized interface to increase business efficiency.
Learn moreSecure, reliable, and private mail server solution with an intuitive and modern mail client.
Learn moreSeamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
Learn moreComprehensive built-in security tools are constantly updated to protect your devices against evolving threats.
Learn moreComplete surveillance solution for recording, monitoring, and management.
Learn moreEngineered to handle intensive 24/7 workloads, Synology SSDs are designed to provide consistent high-performance.
Notes:
CPU |
CPU Model | AMD Ryzen V1500B |
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CPU Architecture | 64-bit | |
CPU Frequency | 4-core 2.2 GHz | |
Hardware Encryption Engine (AES-NI) | ![]() |
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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 |
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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) |
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Maximum Single Volume Size* | 108 TB | |
Hot Swappable Drive | ![]() |
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Notes |
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External Ports |
RJ-45 1GbE LAN Port | 4 (with Link Aggregation / Failover support) |
USB 3.0 Port | 3 | |
eSATA Port | 2 | |
PCIe |
PCIe Expansion | 1 x Gen3 x8 slot (x4 link) |
File System |
Internal Drives |
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External Drives |
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Notes | exFAT Access is purchased separately 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 |
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Easy Replacement System Fan | ![]() |
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Brightness Adjustable Front LED Indicators | ![]() |
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Power Recovery | ![]() |
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Noise Level* | 25.2 dB(A) | |
Scheduled Power On / Off | ![]() |
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Wake on LAN / WAN | ![]() |
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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) |
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British Thermal Unit | 174.77 BTU/hr (Access) 86.22 BTU/hr (HDD Hibernation) |
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Notes |
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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 |
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Warranty |
3-year hardware warranty, extendable to 5-year coverage - EW201 | |
Notes | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) | |
Environment |
RoHS Compliant | |
Packaging Content |
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Optional Accessories |
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Notes | All memory modules will operate at the maximum frequency specified by the CPU manufacturer. |
Notes:
Plus Series : DiskStation DS1621+
Data management and protection, for anyone
CPU: AMD Ryzen V1500B 4-core 2.2 GHz
RAM: 4 GB DDR4 ECC SODIMM (MAX 32GB)
M.2 NEMe Slots x2
Gigabit LAN Port x4
USB 3.2 Gen 1 Port x3
eSATA Port x2
PCIe Gen3 x8 slot x1
3 Years Warranty