Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA
Brand Seagate
From
£597.56
Free delivery
You save £55.53 (9%)
3 offers at 3 retailers
Listed since 4 June 2026
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Description
Specifications
| HDD capacity | 20 TB |
| HDD speed | 7200 RPM |
| Storage drive buffer size | 512 MB |
| HDD size | 3.5" |
| Interface | Serial ATA |
| Type | HDD |
| Component for | PC |
| HDD interface transfer rate | 6 Gbit/s |
| HDD sustained transfer rate | 190 MiB/s |
| Power consumption (typical) | 8.9 W |
| Power consumption (idle) | 6.7 W |
| Operating voltage | 5 / 12 V |
| Start-up current | 2 A |
| Operating temperature (T-T) | 10 - 60 °C |
| Storage temperature (T-T) | -40 - 70 °C |
| Storage drive adapter included | No |
| Width | 101.8 mm |
| Height | 26.1 mm |
| Depth | 147 mm |
| Weight | 695 g |
| Quantity per pack | 1 pc(s) |
| Compliance certificates | RoHS |
Full specifications
| Marque | Seagate |
| Référence fabricant | st20000dm001 |
| EAN | 8719706439411 |
Overview of the Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA
When it comes to Périphériques informatiques, the Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA by Seagate is a reference that savvy buyers know well. Its value for money in 2026 deserves particular attention, especially given its availability across many retailers and the brand's strength in the market. Our comparison tool lets you view all available offers in real time, with or without free delivery, and click directly on the offer of your choice.
What makes the Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA stand out in 2026
This product stands out for the build quality that is characteristic of the Seagate brand. Users particularly appreciate its reliability in daily use and how easy it is to get started right from the first use. The design, intended for regular use, ensures satisfying durability, and the balance between the features offered and the asking price is well received by buyers. Seagate has a strong reputation in the Périphériques informatiques category, which makes it easy to access after-sales service and the manufacturer warranty when needed. You can also compare with the Seagate SkyHawk 2TB 3.5" Surveillance HDD - ST2000VX017 | 5400 RPM | 256MB Cache | ImagePerfect Firmware | 3-Year Warranty to refine your choice.
Performance and key features
In the Périphériques informatiques category, buyers pay close attention to declared performance and build quality. The Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA meets these expectations with technical specifications that reflect Seagate's positioning on this segment. The key features, available in the spec sheet on this page, allow you to verify this product matches your needs before finalising your purchase. Also compare with the Seagate SkyHawk 2TB 3.5" Surveillance HDD - ST2000VX017 | 5400 RPM | 256MB Cache | ImagePerfect Firmware | 3-Year Warranty from the same brand to refine your decision.
Design and ease of use
The Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA is generally described as intuitive by users in the Périphériques informatiques category. Seagate designed this product to be accessible from the first use, whether you are a beginner or an experienced user in this range.
Market price ranges in 2026
| Range | Indicative price |
|---|---|
| Entry-level | Under 2250 £ |
| Mid-range | 2250 £ to 5250 £ |
| High-end | Over 5250 £ |
To find the Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA at the best price today, compare all available offers on Compiral. Our comparison tool updates prices several times a day to ensure you get the lowest rate from our partner retailers. Remember to activate the free delivery filter to reduce the total cost of your purchase. Also check the estimated delivery time at each retailer, which can vary considerably from one shop to another.
Frequently asked questions about Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA
Is the Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA worth its price in 2026?
In 2026, the Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA is listed from £597.56 at our partner retailers. This price is consistent with the positioning of Seagate in the Périphériques informatiques category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.
What warranty does the Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA come with?
The Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA generally comes with a manufacturer warranty of 1 to 2 years depending on the retailer. In addition to the commercial warranty from Seagate, statutory consumer rights apply to all purchases. Check the warranty conditions directly on the retailer's page before finalising your order.
Is the Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA in stock?
Stock availability for the Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Périphériques informatiques category.
Where can I buy the Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA at the best price?
To buy the Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA at the best price, compare all available offers in our table at the top of this page. The 3 offers listed include delivery costs to give you the true total cost. Sort by ascending price and filter by free delivery to quickly identify the best deal among our verified partner retailers.
How does the Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA compare to competitors in the Périphériques informatiques category?
In the Périphériques informatiques category, the Seagate Barracuda 20TB internal hard drive 7200 RPM 512 MB 3.5" Serial ATA occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.
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