Synology Diskstation DS1621+ 6 bay NAS Enclosure
- 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
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3 Days DOA Replacement


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. Today’s growing amount of unstructured data requires smarter and increasingly higher performance methods of storing, accessing, and collaborating. Designed for scalability, DS1621+ enables you to start small, then expand as your data grows.
Turbocharge and expand it
synology DS1621+’s dual M.2 2280 slots allow NVMe SSD caching to boost performance by 20x or more for commonly accessed data. It also supports an optional 10GbE NIC for faster network environments and more concurrent users.
- AMD Ryzen quad-core 2.2 GHz CPU
- 4 GB DDR4, expandable up to 32GB
- Up to 110,000 4K random read IOPS and 2300 MB/s sequential write speeds
- Dual M.2 2280 slots for NVMe Cache
- Supports 10GbE SFP+ / RJ-45 NIC for turbocharging existing workflows
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File sharing and syncingWith comprehensive support for all major file sharing protocols — like CIFS, AFP, NFS, FTP and more — DiskStation lets you centralize files in one place and access them using any device. Take files on the road or easily share them with other people, thanks to Synology’s easy file sharing and syncing software. | Bulletproof data backupEnsure data remains safe by backing up your computers, servers, and virtual machines to DiskStation, and defend yourself from human-error or ransomware with the multi-version backup. Finally, avoid disaster with the ability to easily back up DiskStation to an offsite location or to any major cloud service. | Virtualization readyWith support for VMware, Citrix, and Microsoft Hyper-V, DiskStation serves as a seamless storage solution for virtualization environments. Additionally, Synology’s Virtual Machine Manager also lets you set up and run various virtual machines directly on DiskStation, including Windows, Linux, and Virtual DSM. | Smart video surveillanceMake your own video surveillance hub. Surveillance Station helps you protect your home or business by offering the ability to manage multiple network cameras, check live camera feeds from anywhere with the mobile app, catch suspicious incidents quickly with intelligent alerts, and easily find relevant recordings. |
| Weight | 1 kg |
|---|---|
| Brands | Synology |
| NAS Bays | 6 |
| EAN / UPC Code | 846504003778 |
| Connector | RJ45, USB 3.2 |
| EAN / UPC Code | 846504003778 |
Specification
| CPU | Quad-Core: Up to 2.2 GHz |
| Processor | AMD Ryzen V1500B |
| Memory | 4 GB ECC DDR4 |
| RAM Configuration / Capacity | 1x User-Replaceable 4 GB / 2 Slots Supporting up to 32 GB |
| RAID | Yes: Supported RAID Modes: 6 / 10 / Hybrid / 5 / 0 / 1 |
| Number of Bays | 2x M.2 (2280) NVMe 6x 2.5″/3.5″ SATA III |
| Inputs/Outputs | 4x RJ45 Gigabit Ethernet 3x USB-A 3.0 / 3.1/3.2 Gen 1 2x eSATA |
| Media Card Slots | No |
| PCI Expansion | 1x PCIe 3.0 |
| Link Aggregation and Failover Support | Yes |
| iSCSI Support | Yes: 256 LUN / 128 Target |
| Installed Operating System | Synology DiskStation Manager |
| OS Compatibility | Windows 7 or Later macOS 10.12 or Later |
| Mobile App Compatible | Yes: Android & iOS |
| Encryption | Yes, AES-NI |
| Security Features | Kensington Security Slot |
| VPN Connections | 30 (Server) |
| Input Power | 100 to 240 VAC, 60 / 50 Hz |
| Power Consumption | 51.22 W (Typical) 25.27 W (Standby) |
| PSU | 1 x 250 W |
| Operating Conditions | 32 to 104°F / 0 to 40°C at 5 to 95% Humidity |
| Storage Conditions | -5 to 140°F / -20 to 60°C |
| Certifications | RoHS |
| Cooling | 2x 92 mm Fans |
| Noise Level | 25.2 dBA |
| Dimensions | 11.1 x 9.6 x 6.5″ / 282 x 243 x 166 mm |
| Weight | 11.2 lb / 5.1 kg |
| Package Weight | 15 lb |
| Box Dimensions (LxWxH) | 16 x 13.2 x 12.9″ |
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