Compact 6-bay 2.5-inch DiskStation
Synology DiskStation DS620slim 6-Bay NAS
The Synology DS620slim is a compact six-bay NAS for 2.5-inch SATA HDDs and SSDs, powered by an Intel Celeron J3355 dual-core processor with 2 GB DDR3 memory, dual 1GbE networking and snapshot-oriented data protection.
- Processor
- Intel Celeron J3355
- Memory
- 2 GB DDR3
- Drive bays
- 6 × 2.5-inch SATA
- Networking
- 2 × 1GbE
Compact multi-bay storage for modern workspaces
The Synology DiskStation DS620slim places six hot-swappable 2.5-inch drive bays into a compact chassis. Its dual-core processor, expandable memory, dual LAN ports and DSM data-management features make it a practical choice for organised file storage, backup and snapshot-based protection where desk space is limited.
Six 2.5-inch drive bays
Build a compact storage pool using compatible 2.5-inch SATA HDDs or SSDs.
Expandable system memory
Start with 2 GB DDR3 and expand to the verified 6 GB maximum configuration when required.
Dual 1GbE networking
Two RJ-45 ports support flexible wired network connections for shared storage.
Snapshot-oriented protection
Btrfs and Snapshot Replication support help protect shared data against accidental changes.
Compact physical design
The 121 × 151 × 175 mm chassis suits apartments, studios and space-conscious workplaces.
Quiet operating option
Selectable fan modes include a quiet setting, with a specified 20.5 dB(A) noise level.
Who is the Synology DS620slim best for?
A strong choice for
- Professionals wanting six bays in a compact desktop chassis
- 2.5-inch HDD or SSD storage arrays
- Shared files, backups and snapshot-based protection
- Small workspaces using dual 1GbE networking
- Users who may need memory expansion from 2 GB to 6 GB
Consider another model if you need
- 3.5-inch hard-drive support
- Built-in 2.5GbE or 10GbE networking
- More than 6 GB of system memory
- PCIe expansion-card support
- A current model with a newer processor platform
Key specifications
- Model
- DS620slim
- Processor
- Intel Celeron J3355, 2 cores, 2 threads
- CPU frequency
- 2.0 GHz base / 2.5 GHz turbo
- System memory
- 2 GB DDR3 non-ECC SODIMM
- Maximum memory
- 6 GB (2 GB + 4 GB)
- Drive bays
- 6 × 2.5-inch SATA HDD/SSD
- Network
- 2 × 1GbE RJ-45
- External ports
- 2 × USB 3.2 Gen 1
- Dimensions (H × W × D)
- 121 × 151 × 175 mm
- Warranty
- 2-year hardware warranty
Full technical specifications
Processor and memory
| Model | DS620slim |
|---|---|
| CPU model | Intel Celeron J3355 |
| CPU quantity | 1 |
| CPU cores / threads | 2 / 2 |
| CPU architecture | 64-bit |
| CPU frequency | 2.0 GHz base / 2.5 GHz turbo |
| Hardware encryption engine | Supported |
| System memory | 2 GB DDR3 non-ECC SODIMM |
| Pre-installed memory | 2 GB (2 GB × 1) |
| Total memory slots | 2 |
| Maximum memory capacity | 6 GB (2 GB + 4 GB) |
| Memory note | Use Synology memory modules for optimum compatibility and reliability. |
Storage, ports and physical design
| Drive bays | 6 × 2.5-inch SATA HDD/SSD |
|---|---|
| Hot-swappable drives | Supported |
| RJ-45 1GbE LAN ports | 2 |
| USB 3.2 Gen 1 ports | 2 |
| Size (H × W × D) | 121 × 151 × 175 mm |
| Weight | 1.4 kg |
| System fan | 80 mm × 80 mm × 1 |
| Fan modes | Full-speed, cool and quiet |
| Easy-replacement fan | Supported |
| Adjustable front LED brightness | Supported |
Power and environment
| Power recovery | Supported |
|---|---|
| Noise level | 20.5 dB(A) |
| Scheduled power on/off | Supported |
| Wake on LAN/WAN | Supported |
| Power adapter | 65 W |
| AC input | 100 V to 240 V AC |
| Power frequency | 50/60 Hz, single phase |
| Power consumption | 34.88 W (access); 7.59 W (HDD hibernation) |
| British Thermal Unit | 119.1 BTU/hr (access); 25.92 BTU/hr (HDD hibernation) |
| Operating environment | 5°C to 40°C (40°F to 104°F); 8% to 80% RH |
| Storage environment | -20°C to 60°C (-5°F to 140°F); 5% to 95% RH |
Certification, warranty and package
| Certifications | FCC, CE, BSMI, VCCI, RCM, EAC |
|---|---|
| Environment | RoHS compliant |
| Warranty | 2-year hardware warranty |
| Package contents | Main unit × 1; AC power adapter × 1; AC power cord × 1; RJ-45 LAN cable × 2; quick installation guide × 1 |
Frequently asked questions about the Synology DS620slim
What is the Synology DS620slim?
It is a compact six-bay DiskStation designed for 2.5-inch SATA HDDs and SSDs.
Which processor is in the DS620slim?
The DS620slim uses an Intel Celeron J3355 dual-core processor with a 2.0 GHz base and 2.5 GHz turbo frequency.
How much memory does the DS620slim include?
It includes 2 GB DDR3 non-ECC SODIMM memory and supports up to 6 GB using a 2 GB plus 4 GB configuration.
What drives fit the DS620slim?
It has six bays for compatible 2.5-inch SATA HDDs or SSDs. Check Synology’s current compatibility list before selecting drives.
Are the DS620slim drive bays hot-swappable?
Yes. Synology lists hot-swappable drive support for this model.
How many network ports does the DS620slim have?
It has two 1GbE RJ-45 LAN ports.
Does the DS620slim support snapshots?
Yes. The supplied product description positions it as supporting snapshot technology for data protection, and the exact Synology specification lists Snapshot Replication.
What are the dimensions of the DS620slim?
It measures 121 × 151 × 175 mm in height × width × depth and weighs 1.4 kg.
How much power does the DS620slim use?
Synology specifies 34.88 W during access and 7.59 W during HDD hibernation under its stated test configuration.
What warranty applies to the DS620slim?
Synology specifies a two-year hardware warranty.
- This product is supplied diskless unless the listing explicitly states otherwise.
- Use only compatible 2.5-inch SATA HDDs or SSDs and confirm current drive compatibility before purchase.
- Synology recommends its specified memory modules for optimum compatibility and support.
- Power and noise figures depend on the stated Synology test configuration.
