Seagate EXPANSION DESKTOP EXT DRIVE20TB 3.5IN USB 3.0 GEN 1 EXTERNAL HDD

Picture may differ from actual product, there can be accessories and parts not supplied with the actual product.
ID: 1079581 Product code: STKP20000400
In stock 28 units
Warranty: 2 years
812.82 €
Ready for dispatch
on Thursday, 11.06.2026
starting from 6.99 €
Delivery options
  • Posti parcel machine
    Within 1-2 working days
    6.99 €
  • Post Office
    Within 1-2 working days
    6.99 €
  • Delivery with Posti courier mail
    Within 1-2 working days
    10.99 €
Main product parameters All parameters
  • Capacity: 20 TB
  • Power supply: AC adapter
  • Power supply: USB
All parameters
Model : Expansion STKP20000400
Basic information
Capacity 20 TB
The capacity of the HDD is the data volume index. The more Gigabytes the higher the capacity of the HDD. The average volume of a DivX film is 1.3Gb, the volume of an Mp3 music file is 10Mb (1/100th of a Gigabyte). You should select an HDD of the capacity compliant with your needs.
Color : Black
Weight (g) : 1176
Ports and equipment
Power supply AC adapter, USB
The external HDD is an electronic device with a certain capacity and power consumption. When you select an HDD you should take into account whether it will be used at places where a permanent power supply source is available (220V socket, an external power supply unit) or at places where the battery pack of the portable computer is the only power supply source (USB or battery pack power supply).
If you chose an HDD with USB power supply you should remember that it will consume the power of the portable computer, thus the battery life will be considerably shorter during the time when the disc is used.
USB 3.2 Gen 1

The interface of the connection of the HDD is the connection with the computer, therefore when you buy an HDD you should verify that your computer has the relevant connection slot compatible with the HDD interface.

The convenient USB connection provides a possibility of connecting an external HDD to almost any modern computer and to handle the data stored therein both at work and at home.

Standard USB 2.0 connection:

During the next years the USB 2.0 will be replaced by the new USB 3.0 interface:

More detailed specification
Additional part number - STKP20000400  
ARTIKEL1 - EXPANSION DESKTOP EXT DRIVE20TB
ARTIKEL2 - 3.5IN USB 3.0 GEN 1 EXTERNAL HDD
Brand - Seagate
BrandPartCode - STKP20000400
Breite - 0
Bus powered Power - No
Category - External Hard Drives
Category 1 - Festplatten
Category 2 - Externe Festplatten
Category Code - HDE
Color - Black
Depth - 41.9 mm
Depth Weight & dimensions - 125 mm
Description - Expansion The Seagate Expansion desktop hard drive is an ideal solution for adding extra storage capacity to your computer. It is easy to set up and provides more space for storing important files, photos, videos, and documents. Free up space on your internal drive and keep everything in one place. With Seagates proven quality, you can rely on this drive to protect your data and simplify your digital life.
Description - The Seagate Expansion desktop drive provides extra storage for your files. Instantly add space, consolidate files to a single location, or free up space on your computer’s internal drive. Expansion External Hard Drives & SSDs Seagate offers easy-to-use solutions when you need to instantly add storage to your computer.Easy-to-use desktop hard drive — simply plug in the power adapter and USB cableFast file transfers with USB 3.0Drag-and-drop file saving right out of the boxAutomatic recognition of Windows and Mac computers for simple setup (Reformatting required for use with Time Machine)Enjoy peace of mind with the included limited warranty and Rescue Data Recovery Services
Designation - CE+WEEE
dimension depth - 80 mm
dimension height - 220 mm
dimension weight - 1300 g
dimension width - 210 mm
Disk type - HDD
Drive type - External
ean - 8719706043700
EAN - 8719706043700
EANCode - 8719706043700
External power adapter Power - Yes
Features - Mac operating systems supported - Yes
Features - Product colour - Black
Features - Windows operating systems supported - Yes
Form factor (width) - 3,5'' (LFF)
Gewicht - 1.35
GRUPPE1 - Hard Drive/Optical
GRUPPE2 - Mobile Drives
GTIN - 0763649174494
GTIN - 763649174494
GTIN - 8719706043700
guarantee - 24
guarantee_type - statutory
Hard drive - HDD capacity - 20 TB
Hard drive - HDD size - 3.5"
HDD capacity - 20 TB
HDD capacity Hard drive - 20 TB
HDD Family name - Expansion
HDD interface - USB 3.0/USB 3.1 gen 1/USB 3.2 gen 1
HDD size Hard drive - 3.5"
Height - 178.85 mm
Height Weight & dimensions - 178.8 mm
HERSTELLER - SEAGATE
Hoehe - 0
HSTNUMMER - STKP20000400
Laenge - 0
LongDesc - The Seagate Expansion desktop drive provides extra storage for your files. Instantly add space, consolidate files to a single location, or free up space on your computer’s internal drive.Expansion External Hard Drives & SSDsSeagate offers easy-to-use solutions when you need to instantly add storage to your computer.
LongProductName - 20 TB, USB 3.0, 178.75 x 41.9 x 125 mm, 1176 g
LongSummaryDescription - Seagate Expansion STKP20000400. HDD capacity: 20 TB, HDD size: 3.5". USB version: 3.2 Gen 1 (3.1 Gen 1). Product colour: Black
Mac operating systems supported Features - Yes
Manufacturer - Seagate
Manufacturer code - STKP20000400
Model - Expansion
MPN - STKP20000400
name - Hard drive Expansion 20TB 3.5 inches STKP20000400
Name - SEAGATE Expansion Desktop External Drive 20TB USB3.0 8,89cm 3,5Zoll
Package depth Packaging data - 226 mm
Package height Packaging data - 80 mm
Package weight Packaging data - 1.34 kg
Package width Packaging data - 208 mm
Packaging data - Package depth - 226 mm
Packaging data - Package height - 80 mm
Packaging data - Package weight - 1.34 kg
Packaging data - Package width - 208 mm
Ports & interfaces - USB version - 3.2 Gen 1 (3.1 Gen 1)
Ports & interfaces - Wi-Fi - No
Power - Bus powered - No
Power - External power adapter - Yes
producer - Seagate
Product colour Features - Black
ProductName - STKP20000400
Product Net Weight - 1.18 kg
ShortSummaryDescription - Seagate Expansion STKP20000400, 20 TB, 3.5", 3.2 Gen 1 (3.1 Gen 1), Black
Stck_Kart - 4
Stck_Pal - 200
Storno - N
Summary - Seagate Expansion STKP20000400. HDD capacity: 20 TB, HDD size: 3.5". USB version: 3.2 Gen 1 (3.1 Gen 1). Product colour: Black
Title - Seagate Expansion STKP20000400 external hard drive 20 TB 3.5" 3.2 Gen 1 (3.1 Gen 1) Black
Unit Box Height - 0.215
Unit Box Length - 0.215
Unit Box Width - 0.08
Unit Calculated Volume - 0.00429 cubm
Unit Calculated Weight - 1.44 kg
Units per Pallet - 0
Units per Shipping Box - 4
URL - https://www.seagate.com/gb/en/products/external-hard-drives/expansion-desktop-hard-drive/
USB version Ports & interfaces - 3.2 Gen 1 (3.1 Gen 1)
Vendor Homepage - https://www.seagate.com/gb/en/products/external-hard-drives/expansion-desktop-hard-drive/
vendpn - STKP20000400
Warranty - 24 months
WarrantyInfo -
Weight - 1.34
Weight - 1.176 kg
Weight & dimensions - Depth - 125 mm
Weight & dimensions - Height - 178.8 mm
Weight & dimensions - Weight - 1.18 kg
Weight & dimensions - Width - 41.9 mm
Weight Weight & dimensions - 1.18 kg
Wi-Fi Ports & interfaces - No
Width - 125 mm
Width Weight & dimensions - 41.9 mm
Windows operating systems supported Features - Yes
812.82 €
Seagate EXPANSION DESKTOP EXT DRIVE20TB 3.5IN USB 3.0 GEN 1 EXTERNAL HDD
Intel technology provider Platinum 2020
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