Seagate Expansion Desktop STKP20000400 20TB 3.5 inch External Hard Drive USB 3.0 Mains Powered Black
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Seagate Expansion Desktop STKP20000400 20TB 3.5 inch External Hard Drive USB 3.0 Mains Powered Black
€1168.58 inc. VAT
STKP20000400
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Delivered to Cyprus from EU stock
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Seagate Expansion Desktop 20TB — STKP20000400 External Hard Drive
20TB USB 3.0Mains Powered — 18 W Adapter IncludedexFAT for Windows and MacToolkit Backup Software
The Seagate STKP20000400 is a 20 TB desktop external hard drive — a 3.5-inch drive in a mains-powered enclosure, connected over USB 3.0, for anyone who needs bulk capacity beside a computer rather than in a bag. Seagate lists it under part number STKP20000400 with EAN 8719706043700 and UPC 763649174494; the EAN on this listing is 8719706043700. Seagate calls the product simply the Expansion desktop drive. It ships preformatted exFAT so it mounts on both Windows and macOS without setup, with an 18-inch USB 3.0 cable, an 18 W power adapter, Seagate Toolkit backup software and Rescue Data Recovery Services included. Typically in stock with fast delivery across Cyprus.
Compatibility — check before buying:
This is a desktop drive, not a portable one, and it needs mains power. A 3.5-inch enclosure cannot run from a USB port: the 18 W adapter in the box is required, and Seagate’s manual instructs you to connect it to a live outlet before use. Any listing implying USB-only power is wrong. The port on the drive is USB micro-B, and only a micro-B to USB-A cable is supplied — a USB-C-only laptop needs an adapter or its own cable. On the interface name: Seagate calls it USB 3.0; retailers often write USB 3.2 Gen 1 Type-A, which is the same 5 Gbps specification under a later naming scheme rather than a different product. The drive arrives formatted exFAT, which reads and writes on both Windows and macOS, but Seagate notes exFAT is not recommended for built-in backup utilities such as Time Machine or File History — reformat to APFS or HFS+ if you want to use Time Machine. Note also that the Expansion line has no hardware encryption and no password protection; those belong to Seagate’s One Touch and Ultra Touch families, and marketing copy is frequently copied across between them. Two things Seagate does not publish for this product: a transfer-speed figure, and whether the drive inside the enclosure uses CMR or SMR recording. We do not state either, because the manufacturer does not.
Best For
✓ Bulk archive and media libraries kept beside a desktop or a TV
✓ Scheduled local backups using the bundled Seagate Toolkit software
✓ Offloading a full internal drive without opening the computer
✓ Shared Windows and Mac households — it ships exFAT
✓ Capacity per euro, where one large enclosure beats several small drives
✓ Anyone who wants a data-recovery safety net included
Key Features
20TB in a single desktop enclosure
A 3.5-inch mechanism in a mains-powered case measuring 178.75 x 41.90 x 125 mm and weighing 1.176 kg. It connects over USB 3.0 with the supplied 18-inch cable, and the 18 W adapter is included in the box. Nothing needs installing to start using it, and the enclosure is identical across the whole Expansion Desktop range from 4 TB upwards.
Ready for Windows and macOS out of the box
The drive is preformatted exFAT, which both operating systems read and write, so it works the moment you plug it in with no reformatting. If you want to use it as a Time Machine target on a Mac, Seagate notes that exFAT is not recommended for built-in backup utilities, so a reformat to APFS or HFS+ is the step to take — plain file storage needs nothing.
Toolkit backup software and Rescue included
Seagate Toolkit is bundled for scheduled and mirrored backups, and Rescue Data Recovery Services are included with the product. Two caveats worth knowing: Seagate’s current datasheet lists Rescue for this drive but does not state a term in years, and its own footnote adds that Rescue Data Recovery Services are not available in all countries — so confirm availability rather than assuming coverage.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight
Expansion is the plain-capacity line, and that is the right way to buy it. There is no hardware encryption here and no password protection — those belong to Seagate’s One Touch and Ultra Touch families — so what you are paying for is 20TB in one mains-powered box with backup software and a recovery service attached. At this capacity that is usually the cheapest route to bulk archive storage, and considerably tidier than several smaller drives with several power bricks. Two honest caveats: it is a desktop unit, so it stays on the desk and needs an outlet; and Seagate does not publish the recording technology of the mechanism inside, which matters if you were planning to shuck it for a NAS. If a NAS is where this is really heading, buy a drive built for it from our NAS hard drives range instead. For something you carry rather than park, our external hard drives range includes bus-powered portable models.
Buyer’s Guide
Buy it if
You want a large single-drive external capacity beside a desktop, with no setup: 20TB, exFAT out of the box for both Windows and Mac, Toolkit backup software, an 18 W adapter and cable in the box, and Rescue Data Recovery included. In EMEA Seagate publishes a 2-year manufacturer term for this part.
Skip it if
You need something portable or bus-powered — this is a mains-only desktop unit weighing 1.176 kg. Skip it too if your laptop is USB-C only and you would rather not source a cable, if you need hardware encryption, which the Expansion line does not have, or if you intend to shuck it for a NAS, since Seagate does not disclose whether the mechanism is CMR or SMR.
Also consider
STKP26000400 or STKP28000400 if you want more capacity in the same enclosure, or the smaller 4 TB to 18 TB Expansion Desktop models below it. Seagate One Touch or Ultra Touch if you want hardware encryption or a more finished design, and a bus-powered 2.5-inch portable drive if it needs to travel. For a NAS or a server, IronWolf Pro and Exos publish their recording technology and workload ratings, none of which Seagate publishes for an external Expansion drive.
Form Factor
- 3.5",
- External
Colour
black
Interface
- USB3.0
Technical specifications
Μέγεθος
20TB
Χαρακτηριστικά
Product Code
CK20280
EAN Code
8719706043700
Manufacturer
Seagate