Synology DiskStation DS420j 4-Bay NAS Server, Realtek RTD1296 Quad Core 1.4GHz, 1GB RAM, 2x USB3.0, 1x GbE, 2 Years Warranty
Six easy payments of $97.68 per week*
Laybuy lets you spread the cost of your purchase over 6, interest-free, weekly payments.
Click the button below or select Laybuy as your payment method during the checkout process.
If you do not have a Laybuy account you will be able to create one at checkout.
*Repayments shown above are indicative only and may vary. Ts and Cs and lending criteria apply.
Learn more about Laybuy
Five easy payments of $117.21 per fortnight*
humm lets you spread the cost of your purchase over 5 or 10 interest free payments.
Click the button below or select humm as your payment method during the checkout process.
If you do not have a humm account you will be able to create one at checkout.
*Repayments shown above are indicative only and may vary. Ts and Cs and lending criteria apply.
Learn more about humm
Finance from $5.58 per week*
Get what you want at a price you can afford. Choose a finance term below to see the weekly repayment amount and apply online during checkout or in-store.Choose a Finance Term
*Repayments shown above are indicitive only and may vary. Ts and Cs and lending criteria apply.
Learn more about Finance Now
No payments or interest for 12 months available*
Q Card / Mastercard is your perfect shopping partner, combining the benefits of a credit card with the added ability to access a range of interest-free deals and payment holidays.
*Ts and Cs and lending criteria apply.
Learn more about Q Card
COMBO DEALS: Buy Together and SAVE!
An essential entry-level NAS for your home
Build a private cloud for your home
DS420j is a 4-bay desktop NAS designed for home data backup, file syncing, and sharing. Supporting up to 64 TB raw capacity, you can easily centralize all your multimedia collections.
64-bit 4-core 1.4 GHz
Over 112 MB/s encrypted reading and writing1
Maximum 64 TB raw capacity
7.88 W in hibernation mode
Manage your photo collections
Smartly organize your photos with Synology Moments, a modern, AI-enabled photo management application that allows you to preserve your precious memories effortlessly.
Stream content to your TV
Turn your Synology NAS into a home media hub and stream your digital contents to your favorite devices such as computers, mobile devices, Samsung TV, Apple TV, Google Chromecast, and DLNA devices.
Seamless integration with your mobile devices
Synology mobile applications are designed to allow quick and secure access to your data wherever you are.
Cross-platform file syncing and sharing
Synology Drive allows you to sync files across Windows, macOS, Linux, and mobile devices, keeping everything up-to-date.
- Sync files on demand: Save the storage space and network bandwidth of your PC.
- Go back in time: Easily retrieve previous versions of your shared files.
- Back up your data: Protect your files as scheduled or in real-time.
Reliable and efficient backup options
Synology Hyper Backup is a reliable and multi-directional backup solution offering data deduplication and compression. You can back up from various source folders, including external USB drives, another Synology NAS, rsync servers, or from public cloud services like Google Drive or Synology C2, and protect your data against malicious attacks and encryption-based ransomware threats.
Complete multimedia solution for management, streaming, and playback.
Simplified backup solution for your Mac, PC, and mobile devices.
Powerful built-in file management and sharing services.
A versatile solution for file management and synchronization.
Store multiple backup versions with block-level incremental data backup and cross-version deduplication.
Complete surveillance solution for recording, monitoring, and management.
Quad Core 1.4 GHz
Hardware Encryption Engine
1 GB DDR4
Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
Compatible Drive Type* (See all supported drives)
3.5" SATA HDD
2.5" SATA HDD
2.5" SATA SSD
Maximum Internal Raw Capacity
64 TB (16 TB drive x 4) (Capacity may vary by RAID types)
Maximum Single Volume Size*
Hot Swappable Drive -
"Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay. The maximum single volume size is not directly related to the maximum raw capacity.
RJ-45 1GbE LAN Port
USB 3.0 Port
exFAT Access is purchased separately in Package Center.
Size (Height x Width x Depth)
184 mm x 168 mm x 230 mm
80 mm x 80 mm x 2 pcs
Fan Speed Mode
Brightness Adjustable Front LED Indicators
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter
AC Input Power Voltage
100 V to 240 V AC
50/60 Hz, Single Phase
21.71 W (Access)
7.88 W (HDD Hibernation)
British Thermal Unit
74.08 BTU/hr (Access)
26.89 BTU/hr (HDD Hibernation)
Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Noise Level Testing Environment:
Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A);
Temperature: 24.25-25.75°C; Humidity: 58.2-61.8%
0°C to 40°C (32°F to 104°F)
-20°C to 60°C (-5°F to 140°F)
5% to 95% RH
Main Unit X 1
Accessory Pack X 1
AC Power Adapter X 1
AC Power Cord X 1
RJ-45 LAN Cable X 1
Quick Installation Guide X 1
* Warranty period is as stated above unless the manufacturer has chosen to specify a longer period.
All warranties are return to base unless otherwise specified.
The only truly scalable solution
Hybrid reid support gives you truly scalable storage. The system has a number of disadvantages, for example, there is no tool for managing the storage. You can manage your files, but the files created by the services are inaccessible and are deleted only together with the services. which these files create.
Delivery & Pick-up
The estimated time to ship for each product we sell is detailed on the individual product page just underneath the price. From when your items ship, products typically arrive within 1 working day for North Island deliveries and 2 working days for South Island deliveries. Rural deliveries may take an extra working day, and bulk deliveries may take an extra 2-4 working days.
Same Day Delivery
Need your order in a hurry? PB Tech offers same day delivery for the Auckland, Hamilton & Christchurch region. Simple place your order before 2pm (provided your items are in stock) and select one of our same day delivery options 'Evening Delivery' or 'Urgent 3-hour Delivery' in the checkout. T&C's apply. Learn more about Same Day Delivery.
Shipping costs vary based on your location and the items being shipped and in some cases shipping may even be FREE.
To calculate what the shipping costs will be for your order, add the items you are interested in to your cart, view the Shopping Cart page, and select your 'Delivery Area' to calculate the shipping cost.
Shipping Security & Insurance
All orders shipped by PB Tech are sent via a courier with a signature required for each delivery. In some cases, and only where you have given the courier company permission to leave orders at a designated location, your order may be delivered without requiring a signature. All orders sent by PB Tech are fully insured in the unlikely event that your item(s) are damaged or go missing in transit.
1 Hour Store Pick-up / Click & Collect
You can pick-up your online order from any of our stores nationwide. You can select which store you want to pick up from at the checkout. Provided the store you select has stock and there's no hold-ups with payment we will have your order ready within 1 hour (during normal trading hours for that store) otherwise it may take up to 5 working days to transfer the stock to the store so your order can be fulfilled. Learn more about our Click & Collect process.
PB Tech regularly ships overseas to Australia and beyond. If you are located in Australia, you can order directly from our Australian site www.pbtech.com/au. If you are from another country you can order from www.pbtech.com
Returns & Warranty
7 day right of exchange
If you change your mind after making a purchase, or realise you have ordered the incorrect item, you can enjoy the peace of mind that we offer a 7 day exchange policy.
To exchange a product, goods must be sealed / unopened, with packaging in original condition, and accompanied by a valid receipt dated no more than 7 calendar days from when you request an exchange.
If there is not a suitable product that can be exchanged for your returned item you will be offered a credit on your account or gift card based on the value paid at the time of purchase.
Please note, items purchased on finance cannot be exchanged for a gift card.
Hassle free warranty service
If your product develops a fault within the manufacturer warranty period, you can either contact the manufacturer directly (some manufacturers provide a high level of warranty service - including free pickup or in some cases onsite repair), or return to one of our services centres / stores. Where the product has been directly imported by PB Tech, you need to contact us directly or present the product at any one of our service centres / stores together with your proof of purchase.
If your product develops a fault outside of the manufacturer warranty or PB Tech warranty period, we offer a full repair service and are an authorised repair agent for leading brands such as Samsung, HP, Toshiba, Lenovo and more.
Returning a product / making a warranty claim
To contact the manufacturer directly to troubleshoot your product or to request a warranty repair, please view the list of manufacturer / brand warranty contacts (for products imported directly by PB Tech please return to us directly by completing our request a return form).
To return a product to PB Tech directly, please complete our request a return form.
Or view our returns policy for more information.