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header-product TerraMaster D4-320 4-Bay Desktop Disk Array for 2.5" and 3.5" SATA HDD/SSD
237.99 €

TerraMaster D4-320 4-Bay Desktop Disk Array for 2.5" and 3.5" SATA HDD/SSD

TerraMaster D4-320 4-Bay Desktop Disk Array Photo 1
TerraMaster D4-320 4-Bay Desktop Disk Array Photo 2
TerraMaster D4-320 4-Bay Desktop Disk Array Photo 3
TerraMaster D4-320 4-Bay Desktop Disk Array Photo 4
TerraMaster D4-320 4-Bay Desktop Disk Array Photo 1
TerraMaster D4-320 4-Bay Desktop Disk Array Photo 2
TerraMaster D4-320 4-Bay Desktop Disk Array Photo 3
TerraMaster D4-320 4-Bay Desktop Disk Array Photo 4
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TerraMaster D4-320 4-Bay Desktop Disk Array for 2.5" and 3.5" SATA HDD/SSD

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Short description

The TerraMaster D4-320 is a 4-bay desktop disk array designed for home and home office use. It supports both 2.5-inch and 3.5-inch SATA HDD and SSD drives, offering a flexible storage expansion solution. Featuring a USB 3.2 interface with speeds up to 10Gbps, this enclosure provides reliable data management and high-speed connectivity for your storage needs in a compact, black chassis.
Available for order: 29 pcs.
Warranty: 2 Years
SKU: 12411627
Manufacturer: OEM
free shipment

Cheapest delivery:

Venipak Locker LV

Pick-up points

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
10.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
15.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.97 kg)
Parcel couriers
Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Latvijas Pasts nodaļa
15.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 6.61 euros per month
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Product information

Description

The TerraMaster D4-320 is a 4-bay desktop disk enclosure designed for home and home office environments. This compact, black device provides a flexible and high-performance storage expansion solution, supporting both 2.5-inch and 3.5-inch SATA HDD and SSD drives. Utilizing the USB 3.2 Gen2 protocol, it delivers data transfer speeds of up to 10 Gbps, ensuring efficient file management and rapid access to your data.

Advantages

The D4-320 features a tool-free, hot-swappable drive bay design with a secure push-lock mechanism, allowing for quick and easy drive replacements without the need for extra tools. Its intelligent, temperature-controlled fan and optimized internal structure ensure effective heat dissipation while maintaining quiet operation, with noise levels reduced by up to 50% compared to previous models. The device also includes advanced power protection to safeguard your drives against electrical issues and supports intelligent sleep mode to extend drive lifespan.

Suitable for

  • Expanding storage capacity for home and office computers
  • High-speed data backups and file archiving
  • Expanding storage space for compatible TerraMaster NAS devices
  • Media storage for connection to TVs or set-top boxes

The D4-320 is not suitable for users who require built-in hardware RAID functionality, as it operates in a single-drive mode by default. If you need RAID arrays for data redundancy or performance, you must manage them using third-party software on your host computer.

Key specifications

  • Drive bays: 4
  • Supported drive types: 2.5-inch and 3.5-inch SATA HDD/SSD
  • Interface: USB 3.2 Gen2 (up to 10 Gbps)
  • Maximum capacity: Up to 88 TB (4 x 22 TB)
  • Power supply: 72 W
  • Compatibility: Windows, Mac, Linux
  • Dimensions: 179 x 154 x 222 mm
  • Weight: 1.9 kg

How to use

To use the device, simply insert your SATA drives into the tool-free brackets and secure them with the push-lock mechanism. Connect the D4-320 to your computer or compatible NAS using the provided USB Type-C cable. Since the device is plug-and-play, it will be automatically recognized by your operating system without the need for additional drivers. For automated backups on Windows, you can install the TPC Backupper software to schedule regular data protection tasks.

What to consider before purchase

  • Check the official TerraMaster compatibility list to ensure your specific hard drive models are supported.
  • Note that this device does not support hardware RAID; software RAID must be configured via your OS if required.
  • Ensure your host device has a compatible USB port to achieve maximum transfer speeds.
Usage recommendations: To maintain optimal performance and drive longevity, place the unit in a well-ventilated area to allow the intelligent cooling system to function effectively. Always use the provided power adapter and ensure the device is safely ejected from your operating system before disconnecting the USB cable.

Specifications

Number of storage drives supported:
4
Weight:
1.9 kg
Supported storage drive interfaces:
Serial ATA
Product colour:
Black
All features
Power consumption (typical): Power consumption in switched-on state expressed in W.
40.8 W
AC input frequency:
50 - 60
AC input voltage:
100 - 240
Storage drive sizes supported:
3.5, 2.5
Number of adapters included:
1 pc(s)
Storage drives installed:
No
Maximum supported storage capacity:
88 TB
Device class:
Home & Home Office
Power supply unit (PSU) capacity:
72 W
Hot-swap drive bays:
Yes
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity:
1
DC output voltage:
12 V

Storage

Number of storage drives supported:
4
Installed storage drive type:
No
Supported storage drive types:
HDD & SSD
Supported storage drive interfaces:
Serial ATA

Technical details

Sustainability compliance:
Yes
Compliance certificates:
RoHS

Design

Product colour:
Black
Number of fans:
1 fan(s)
Fan diameter:
120 mm

Weight & dimensions

Weight:
1.9 kg
Package weight:
3100 g
Height:
222 mm
Width:
179 mm
Depth:
154 mm
Package depth:
186 mm
Package height:
300 mm
Package width:
275 mm

Performance

Data transfer rate:
10 Gbit/s
Noise level: Not only energy saving helps to protect the environment but also noise level reduction. Noise level reduction up to 3 dB really means noise level reduction in 2 times. For example, a device with noise level 39 dB (А) will be two times quieter than a devise with a noise level 42 dB (А). Energy-saving certificate that shows noise level plays the role of an additional objective indicator basing on which You can successfully choose a product.
21 dB

Operational conditions

Operating relative humidity (H-H):
5 - 95
Storage temperature (T-T):
-20 - 60
Operating temperature (T-T):
0 - 40

System requirements

Windows operating systems supported:
Y
Mac operating systems supported:
MacOS
Linux operating systems supported:
Y

Packaging content

Cables included:
AC
Screws included:
Yes

Other features

Chassis type:
Desktop

Description

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Customer reviews

Customer questions

FAQ

How much does the TerraMaster D4-320 4-Bay Desktop Disk Array cost, and is it available for purchase?

The price is 237.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 29 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 10.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can TerraMaster D4-320 4-Bay Desktop Disk Array be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the TerraMaster D4-320 4-Bay Desktop Disk Array online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All OEM products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized OEM service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: number of storage drives supported, weight, supported storage drive interfaces, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.