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Name:
DS120J
- Description:
- DiskStation DS120j - NAS - Tower - Marvell Armada 3700 - 88F3720 - Grey
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3 Year Extended Warranty
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14-Day Money Back Guarantee
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Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.
Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
DS120J Overview
DS120J is a NAS storage solution featuring a 1‐bay design that supports both SATA HDD and SATA SSD drives with a total storage capacity of up to 16 TB. It offers a RAID 0 configuration for straightforward data management and protection while delivering performance in a compact desktop form factor powered by a Realtek processor with 2 cores and 2 GB of pre‐installed DDR3 memory (upgradeable to 4 GB).
DS120J provides connectivity through a USB 2.0 interface alongside a 1GbE network port, ensuring efficient data transfer and network support. With active cooling, a single power supply, no expansion support, and intended use cases including SMB backup, virtualization, and media serving, DS120J is optimized for compact office environments and home backup solutions.
What is the price of DS120J?
Pricing for DS120J is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for DS120J.
Explore more options from Storage or explore other Synology products.
DS120J Specifications
| Product Type | Storage System |
| Storage Type | NAS |
| Form Factor | Desktop |
| Bay Count | 1-bay |
| Supported Drive Types | SATA HDD / SATA SSD |
| Hot-Swap Support | No |
| Max Supported Capacity | 16 TB |
| RAID Support | RAID 0 |
| CPU Type | Realtek |
| CPU Cores | 2 |
| Installed RAM | 2 GB |
| Max RAM Capacity | 4 GB |
| RAM Type | DDR3 |
| Network Ports | 1GbE |
| LAN Ports | 1 |
| USB Ports | USB 2.0 |
| Expansion Support | No |
| Cooling | Active |
| Power Supply | Single |
| Power Supply Wattage | N/A |
| Operating System | DSM |
| Snapshot Support | No |
| Cloud Sync Support | Yes |
| Virtualization Ready | No |
| ISCSI Support | No |
| Surveillance Support | Yes |
| Use Case | Home Backup |
| Product Name | Synology DiskStation DS120j |
| Height | 9.13 inches |
| Width | 6.54 inches |
| Depth | 4.06 inches |
| Weight | 2.8 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Bay Count | 2-bay | 2-bay | 1-bay | 2-bay | 4-bay |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Active | Active | Active | Active |
| CPU Cores | 2 | 4 | 2 | 4 | 4 |
| CPU Type | Intel Celeron | Realtek | Realtek | Realtek | AMD Ryzen |
| Depth | 9.1 inches | 4.25 inches | 4.06 inches | 8.9 inches | 9.06 inches |
| Expansion Support | No | No | No | No | Yes |
| Form Factor | Desktop | Desktop | Desktop | Desktop | Desktop |
| Height | 6.5 inches | 9.13 inches | 9.13 inches | 6.6 inches | 6.61 inches |
| Hot-Swap Support | Yes | Yes | No | Yes | Yes |
| Installed RAM | 2 GB | 2 GB | 2 GB | 2 GB | 4 GB |
| iSCSI Support | Yes | Yes | No | Yes | Yes |
| LAN Ports | 2 | 2 | 1 | 1 | 2 |
| Max RAM Capacity | 6 GB | 2 GB | 4 GB | 4 GB | 32 GB |
| Max Supported Capacity | 32 TB | 32 TB | 16 TB | 32 TB | 64 TB |
| Network Ports | 1GbE | 1GbE | 1GbE | 1GbE | 2.5GbE |
| Operating System | DSM | DSM | DSM | QTS | QTS |
| Power Supply | Single | Single | Single | Single | Single |
| Power Supply Wattage | N/A | N/A | N/A | N/A | 150W |
| Product Name | Synology DiskStation DS220+ | Synology DiskStation DS218 | Synology DiskStation DS120j | TS-DS218PLAY | QNAP DS923+ |
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| RAID Support | RAID 0 / RAID 1 / JBOD | RAID 0 / RAID 1 / JBOD | RAID 0 | RAID 0 / RAID 1 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 |
| RAM Type | DDR4 | DDR4 | DDR3 | DDR4 | ECC DDR4 |
| Snapshot Support | Yes | Yes | No | Yes | Yes |
| Storage Type | NAS | NAS | NAS | NAS | NAS |
| Supported Drive Types | SATA HDD / SATA SSD | SATA HDD / SATA SSD | SATA HDD / SATA SSD | SATA HDD / SATA SSD | Mixed |
| Surveillance Support | Yes | Yes | Yes | Yes | Yes |
| USB Ports | USB 3.0 | USB 3.0 | USB 2.0 | USB 3.0 | USB 3.2 |
| Use Case | SMB | Home Backup / SMB / Media Server / Virtualization | Home Backup | SMB / Media Server | SMB |
| Virtualization Ready | Yes | Yes | No | Yes | Yes |
| Weight | 5.3 lbs | 2.71 lbs | 2.8 lbs | 4.0 lbs | 6.5 lbs |
| Width | 4.3 inches | 6.50 inches | 6.54 inches | 4.0 inches | 8.74 inches |
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Questions & Answers
Q
What is the Synology DiskStation DS120j?
A
The Synology DiskStation DS120j is an entry-level single-bay NAS tower powered by a Marvell Armada 3700 88F3720 quad-core processor and 512 MB DDR3L memory, designed for home and small office centralized storage, backup, and file sharing.
Q
What CPU and performance does the DS120j deliver?
A
The DS120j runs on a Marvell Armada 3700 88F3720 quad-core 1.7 GHz processor with 512 MB DDR3L memory, delivering up to 93 MB/s sequential read and 94 MB/s sequential write throughput for efficient file transfers.
Q
How do I set up the DiskStation DS120j?
A
Setup takes less than 5 minutes: install a compatible 3.5” or 2.5” HDD/SSD, connect to your router via Gigabit Ethernet, power on, then use Synology’s Web Assistant to install DSM and configure storage and user accounts.
Q
What storage capacity and expansion options are available?
A
The DS120j accommodates one 3.5” or 2.5” SATA drive up to 16 TB. For added capacity, connect an external USB 3.0 drive to one of its two USB ports or migrate your drive to a multi-bay Synology NAS.
Q
Which RAID levels are supported on the DS120j?
A
As a single-bay NAS, the DS120j supports Basic volume type only. For RAID redundancy, consider upgrading to a multi-bay model like the DS220j or DS420j.
Q
Is the DS120j compatible with DiskStation Manager (DSM)?
A
Yes. The DS120j runs Synology DiskStation Manager 6.2 or later, offering rich apps for file sharing, backup, media streaming, cloud syncing, and more via the Package Center.
Q
How energy-efficient is the Synology DS120j?
A
The DS120j consumes just 6.06 W in access mode and 2.78 W in hibernation, featuring an efficient Marvell Armada CPU and built-in scheduled power on/off and HDD hibernation for lower operating costs.
Q
Can the DS120j stream multimedia content?
A
Yes. The DS120j supports DLNA, AirPlay, and Chromecast streaming with Video Station and Audio Station apps, plus media indexing and transcoding for smooth playback on TVs, computers, and mobile devices.
Q
What backup and sync solutions are included with DS120j?
A
DS120j offers Hyper Backup for multi-version backup to local, remote, or cloud destinations; Cloud Sync for real-time syncing with major public clouds; and Active Backup for business data protection.
Q
How secure is the data stored on DS120j?
A
DS120j uses AES-256 volume encryption, two-factor authentication, IP auto-block, and firewall controls in DSM to protect your data. It also supports HTTPS, SSH, and audit logs for enhanced security.
Q
Can I access my DS120j remotely?
A
Yes. QuickConnect and Synology DDNS allow secure remote access to files and apps without port forwarding. You can use Synology Drive, DS file, or any web browser to manage your NAS from anywhere.
Q
Which mobile apps work with the DS120j?
A
Synology DS file, DS video, DS audio, DS photo, Synology Drive, and Moments apps provide file browsing, streaming, backup, and sharing on iOS and Android devices.
Q
What hard drives or SSDs are compatible with the DS120j?
A
The DS120j supports 3.5” SATA HDDs and 2.5” SATA HDDs/SSDs. For best reliability, use Synology-validated drives or reputable NAS-grade models from Western Digital, Seagate, or Toshiba.
Q
Which network protocols does the DS120j support?
A
DS120j supports SMB, AFP, NFS, FTP, WebDAV, iSCSI, and HTTPS, enabling cross-platform file sharing between Windows, macOS, Linux, and mobile devices.
Q
What is the warranty and support for the DiskStation DS120j?
A
Synology provides a two-year limited warranty for the DS120j, including global technical support, software updates, and access to the Synology Knowledge Center and community forums.
Q
How loud is the DS120j during operation?
A
The DS120j produces only 19.8 dB(A) at full load thanks to a silent 92 mm fan and efficient thermal design, making it one of the quietest single-bay NAS devices on the market.
