Best 18tb Festplatte 2026

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Last Updated - 22.07.2026

Best Choice

01

Western Digital

Western Digital Ultrastar DC HC550 Enterprise Hard Drive 18 TB (3.5 inch, SATA 6 Gbps, SAS 12 Gbps, 7200 rpm, 512 MB Cache, 5 Year Warranty)

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9.9

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

With a very high capacity and reliability of an estimated MTBF of 2.5 million hours, the internal 18TB hard drive is ideal for object storage applications
The internal hard drive has security and encryption features that protect data from unauthorized access, and is available in SED versions with SATA and SAS
The Western Digital Ultrastar DC HC550 hard drive offers a very high storage capacity, lowers your operating costs and adds value to your data center
HelioSeal technology forms the basis for Western Digital high-capacity hard drives and is the sixth generation of HelioSeal products
Contents Ultrastar DC HC550 Enterprise Hard Drive 18 TB (3.5 inch, SATA 6 Gbps, SAS 12 Gbps, 7200 rpm, 512 MB Cache)

950,71 €
02

Seagate

Seagate IronWolf Pro 20 TB, NAS Internal Hard Drive HDD, 9 cm, 7200 rpm, CMR, 256 MB Cache, SATA 6 GB/s, Includes Data Rescue Service (ST20000NTZ01)

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Worry-free data recovery: 3-Year Rescue Data Recovery Services for smooth, free data recovery.
Unrivalled reliability: Workload performance of up to 550 TB/year, 2.5 million hours MTBF and 5-year limited warranty for premium total cost of ownership (TCO).
Powerful: All IronWolf Pro hard drives use Conventional Magnetic Recording (CMR) for consistent, premium performance in continuous operation, giving users access to their data anytime, anywhere.
Optimised for NAS: AgileArray enables two-level balancing, time-limited error correction, and torsional vibration sensors for premium RAID performance in multi-drive bay environments.
IronWolf Health Management: Simplifies data protection through prevention, intervention and data recovery recommendations for optimal system health.

871,87 €
03

WD

WD Elements 18 TB Desktop Storage, Desktop Storage USB 3.0 Compatible, Additional Storage for Photos, Music, Videos and all Other Files, Shockproof, Black

18% Off

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The WD Elements external hard drive is the perfect addition to your computer. From now on, you will never have to delete your data again when you want to save new data.
The WD Elements HDD drive allows you to transfer data from your full computer to desktop storage for more performance on your computer.
Thanks to its shock resistance and durability, the WD external hard drive in proven WD quality ensures the security of your data. Compatible with USB 3.0 and USB 2.0.
Now store all your pictures, videos, documents and music files in one place. The WD Elements 18 TB external hard drive gives you a huge storage space for all your data.
Contents: WD Elements desktop storage 18 TB (desktop storage, USB 3.0 compatible, additional storage for photos, music, videos and all other files, shockproof), black.

434,00 € 526,99 €(18% Off off)
04

WD

G-DRIVE 18TB Desktop Hard Drive, 270MB/s Read and Write Speed, USB-C (5Gbps), USB-C (USB 3.2 Gen 2), Quick Start Guide, 7200RPM, Power Supply and Cable

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Suitable for Apple MacOS 10.15 or later
Stackable housing made of high-quality aluminium
Speeds of up to 280MB/s reading and writing
High storage capacity of 18 TB
External 3.5 inch hard drive with USB-C interface (10 Gbps)

638,90 €
Value for Money

05

WD

WD My Book 18TB USB 3.0 Desktop Hard Drive with Password Protection (Desktop-Storage, Backup Software, Hardware Encryption, SuperSpeed USB)

22% Off

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The external storage includes backup software to back up your important data. Simply set up automatic data backup by determining the time and frequency.
The My Book is a proven USB 3.0 memory to back up your creations. Reliable Desktop-Storage in an attractive design and proven WD-quality secures your data easily and securely.
The My Book external hard drive 18 TB offers you a large amount of storage. Whether to expand your current PC memory or to back up your data, the My Book Destop storage is ideally suited.
My Book's built-in 256-bit AES hardware encryption with password protection ensures that your content remains confidential and protected at all times.
Box contents: WD My Book Desktop-Storage 18 TB, USB-3.0 Cable, Power Supply, Software for Management, Backup and Password Protection of Devices, Quick Installation Guide.

430,77 € 553,99 €(22% Off off)
06

Seagate

Seagate Exos X18 Enterprise, 18TB HDD, CMR 3.5", Hyperscale SATA 6GB/s, 7,200 rpm, 512e, 4Kn FastFormat (ST18000NM000J)

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

SCALABLE: Run big data applications for hyperscale requirements
RELIABLE: An MTBF time of 2.5 million hours and a limited 5-year warranty ensure maximum reliability
HIGH CAPACITY: Support data analytics and other dense architectures to achieve the highest rack efficiency
EFFICIENT: Consistent performance due to low latency and repeatable response times through improved caching
Cost-effective: optimised total costs through lowest cost per terabyte

691,37 €
07

Seagate

Seagate Expansion Desktop 20TB External Hard Drive 3.5 Inch USB 3.0 PC & Notebook with Data Rescue Service (STKP20000400)

15% Off

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

User-friendly desktop hard drive - simply plug in power supply and USB cable
Security with the included limited warranty and Rescue Data Recovery Services for data recovery
Fast file transfers with USB 3.0
Drag and drop file storage without setup
Automatic detection of Windows and Mac computers for easy setup (reformatting is required for use with Time Machine)

482,55 € 569,99 €(15% Off off)
08

WD

WD Elements 16 TB External Drive, Desktop Storage USB 3.0 Compatible, Additional Storage for Photos, Music, Videos and all Other Files, Shockproof, Mechanical Hard Drive, Black

20% Off

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The WD Elements HDD drive allows you to transfer data from your full computer to desktop storage for more performance on your computer.
The WD Elements 16 TB external hard drive allows you to back up all your photos, videos, music and documents in one place in proven WD quality thanks to its generous storage.
Thanks to its shock resistance and durability, the WD external hard drive in proven WD quality ensures the security of your data. Compatible with USB 3.0 and USB 2.0.
Note: This device must only be used with the compatible UL listed power supply.
Easily expand your computer's storage space with WD Elements desktop storage. The slim and stylish design makes the external hard drive visually eye-catching.
Content: WD Elements desktop storage 16 TB (desktop storage, USB 3.0 compatible, additional storage for photos, music, videos and all other files, shockproof), black.

379,00 € 472,99 €(20% Off off)
09

Seagate

Seagate Expansion Desktop 16TB External Hard Drive 3.5 Inch USB 3.0 PC & Notebook with Data Rescue Service (STKP16000400)

25% Off

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

User-friendly desktop hard drive - simply plug in power supply and USB cable
Security with the included limited warranty and Rescue Data Recovery Services for data recovery
Fast file transfers with USB 3.0
Drag and drop file storage without setup
Automatic detection of Windows and Mac computers for easy setup (reformatting is required for use with Time Machine)

391,05 € 523,99 €(25% Off off)
10

WD

WD Elements 20 TB Desktop Storage, Desktop Storage USB 3.0 Compatible, Additional Storage for Photos, Music, Videos and all Other Files, Shockproof, Black

18% Off

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Surface Laptop Go 3

481,23 € 584,99 €(18% Off off)