# External HDD SEAGATE Expansion STKN1000400 — 1 TB, USB 3.2 Gen 1 (3.1 Gen 1), Black

**URL:** https://aio.lv/en/product--seagate-stkn1000400--10748356
**Data updated:** 2026-03-11 11:55 (EET)
**Category:** External HDD
**Manufacturer:** SEAGATE
**Manufacturer code:** STKN1000400
**EAN:** 3660619040278
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 90.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 74.79 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--seagate-stkn1000400--10748356

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

SEAGATE Expansion STKN1000400 is a portable external HDD with 1 TB (1000 GB) capacity and USB 3.2 Gen 1 (3.1 Gen 1) interface for file transfer and backup. Compact and lightweight (0.159 kg), it connects via USB Type-A for compatibility with PCs and laptops, supporting additional storage for media, documents and system backups.

## Long description

SEAGATE Expansion STKN1000400 is a portable external HDD with 1 TB (1000 GB) capacity and a USB 3.2 Gen 1 (3.1 Gen 1) interface. The compact, lightweight black enclosure provides additional storage for media, documents and system backups and connects via a single USB Type-A cable that also supplies power. The drive is recognised by Windows and macOS without additional drivers, and Seagate provides included tools for backup and optional Rescue Data Recovery Services.
Advantages
The drive offers plug-and-play connectivity through a USB Type-A cable and is bus-powered, eliminating the need for an external power adapter. Its USB 3.2 Gen 1 (3.1 Gen 1) interface enables faster file transfers when used with a compatible port, and the compact form factor makes it convenient for transport. The package includes Seagate Toolkit backup software for on-demand and scheduled backups and access to Rescue Data Recovery Services for recovery support.
Suitable for (tasks / use cases)
 Expanding storage for PCs and laptops
 Transporting large media files between locations
 Offloading photos, videos and documents to free internal drive space
 Creating simple backups of Windows or macOS systems
Key specifications
 Storage capacity: 1 TB (1000 GB)
 Interface: USB 3.2 Gen 1 (3.1 Gen 1) via USB Type-A cable
 Power: bus-powered from USB connection
 Colour: Black
 Weight: 0.159 kg
 Compatibility: Windows and macOS (plug-and-play recognition)
How to use
Connect the SEAGATE Expansion STKN1000400 to a computer using the supplied USB Type-A cable; the drive receives power through the same cable so no external power supply is needed. The operating system will automatically recognise the drive; on Windows you can use the included Seagate Toolkit to configure on-demand or scheduled backups. To transfer files, use standard file manager operations (drag and drop or copy/paste). Eject the drive safely from the operating system before disconnecting the cable.
Usage recommendations
For the best transfer speeds, connect the drive to a USB 3.x port on your computer. Maintain at least one backup copy of important files and consider enabling scheduled backups via Seagate Toolkit. Store the drive in a dry, stable environment and avoid impacts while the drive is operating to reduce risk of data loss.

## Specifications

### Ports & interfaces

| Feature | Value |
|---|---|
| Ethernet LAN | No |
| Wi-Fi | No |
| USB version | 3.2 Gen 1 (3.1 Gen 1) |
| USB connector | USB Type-A |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84717050 |

### Power

| Feature | Value |
|---|---|
| External power adapter | No |
| Bus powered | USB |

### Hard drive

| Feature | Value |
|---|---|
| HDD capacity | 1000 GB |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 239 g |
| Cables included | USB |
| Package depth | 146 mm |
| Package height | 32 mm |
| Package width | 105 mm |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.159 kg |
| Height | 12.6 mm |
| Width | 80 mm |
| Depth | 115.3 mm |

### Features

| Feature | Value |
|---|---|
| Product colour | Black |
| Windows operating systems supported | Y |
| Mac operating systems supported | Y |

## FAQ

### How much does the SEAGATE Expansion STKN1000400 external HDD 1 TB cost, and is it available for purchase?

The price is 90.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 01.07.2026 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 SEAGATE Expansion STKN1000400 external HDD 1 TB be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 SEAGATE 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 SEAGATE 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. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: usb version, hdd capacity, weight, 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.

### Where can I download the instructions for SEAGATE Expansion STKN1000400 external HDD 1 TB?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/10748356/64743750_large.webp