Synology DiskStation DS620slim SANNAS Storage System

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Synology DiskStation DS620slim SAN/NAS Storage System - Intel Celeron J3355 Dual-core (2 Core) 2 GHz - 6 x HDD Supported - 30 TB Supported HDD Capacity - 6 x SSD Supported - 30 TB Supported SSD Capacity - 2 GB RAM DDR3L SDRAM - Serial ATA Controller - RAID Supported 0, 1, 5, 6, 10, Basic, Hybrid RAID, JBOD - 6 x Total Bays - 6 x 2.5" Bay - Gigabit Ethernet - 2 USB Port(s) - 2 USB 3.0 Port(s) - Network (RJ-45) - DiskStation Manager - iSCSI, WEBDAV, AFP, FTP, NFSv3, SMB 1.0, CIFS/SMB, SMB 2.0

When performance meets style

DS620slim is a mini 6-bay NAS with a stylish chassis design, perfectly blending in modern workplaces or apartments. Supporting near-instantaneous snapshot technology and real-time 4K video transcoding, DS620slim is an all-around file management solution that fulfills professionals' needs of advanced data protection and high-quality media streaming.

Remain classic while shrinking footprint

The mini 6-bay design keeps DS620slim classic and saves deployment space. With six 2.5" drive support, DS620slim is able to boost performance by installing SSDs.

  • Compact Design

    Mini design with the dimensions of 121 x 151 x 175 mm, flexible to fit in anywhere

  • RAID Flexibility

    Flexible in a variety of RAID configurations to realize maximum 30TB raw capacity or better data protection with RAID 5/6/10

  • SSD Cache Support

    Further enhance storage performance with SSD read/write cache while still having abundant drive bays for data storage

Btrfs: Next generation storage efficiency

Btrfs file system introduces the most advanced storage technologies to meet the management needs of modern large scale businesses:

Flexible Shared Folder/User Quota System provides comprehensive quota control on all user accounts and shared folders

Snapshot Replication provides schedulable and storage capacity-saving data protection with 1,024 shared folder backups and 65,000 system-wide snapshots

File or folder level data restoration makes data recovery fast and flexible

Automatic file self-healing detects and recovers corrupted files without user intervention

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, DS620slim supports the following protocols: AFP, FTP, iSCSI, NFS, SMB, and WebDAV.

Synchronize files across your devices

Cloud Station Suite provides real-time data synchronization across all your devices and other Synology NAS. "Intelliversioning" keeps the most important file versions to better utilize storage space.

4K Multimedia Server

Access and stream your 4K media content anytime and anywhere. DS620slim supports 4K H.264/H.265 online transcoding via Video Station and DS video, allowing 4K videos to be converted and played on the fly on other computers, smartphones, and media players that originally do not support Ultra HD formats.

Powered by Synology DSM

File Server/Management

Powerful built-in file management and sharing services.

Snapshot Replication

Schedulable and instantaneous data protection of shared folders and iSCSI LUNs for disaster prevention.


Complete multimedia solution for management, streaming, and playback.


Award-winning operating system with an intuitive user interface and powerful capabilities.


Comprehensive built-in security tools are constantly updated to protect your devices against evolving threats.

Public Cloud Integration

Backup and synchronize data easily between your public cloud accounts and your NAS.


Country of Origin Taiwan
Operating System DiskStation Manager
I/O Expansions
Number of Total Expansion Bays 6
Number of 2.5" Bays 6
Standard Memory 2 GB
Memory Technology DDR3L SDRAM
Network & Communication
Ethernet Technology Gigabit Ethernet
Gigabit Ethernet
Power Description
Number of Power Supplies Installed 1
Maximum Power Supply Wattage 65 W
RAID Levels 0, 1, 5, 6, 10, Basic, Hybrid RAID, JBOD
Controller Type Serial ATA
RAID Supported Yes
Management & Protocols
Protocols DLNA
SMB 1.0
SMB 2.0
SMB 3.0
Number of Network (RJ-45) Ports 2
Network (RJ-45) Yes
Total Number of USB Ports 2
Number of USB 3.0 Ports 2
Physical Characteristics
Weight (Approximate) 3.09 lb
Form Factor Desktop
Height 4.8"
Width 5.9"
Depth 6.9"
Processor & Chipset
Processor Speed 2 GHz
Processor Type Celeron
Processor Model J3355
Processor Core Dual-core (2 Core)
Processor Manufacturer Intel
Total Hard Drive Capacity Supported 30 TB
Total Solid State Drive Capacity Supported 30 TB
Number of Hard Drives Supported 6
Number of Hard Drives Installed No
Number of Solid State Drive Supported 6
Number of Solid State Drive Installed No
General Information
Product Type SAN/NAS Storage System
Manufacturer Part Number DS620SLIM
Manufacturer Website Address
Packaged Quantity 1
Manufacturer Synology, Inc
Product Model DS620slim
Product Name DiskStation DS620slim SAN/NAS Storage System
Product Line DiskStation
Brand Name Synology