10 Best 20tb hard drives of 2025

Save up to 16% off

Best Choice

1

Western Digital
Western Digital 20TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD201KFGX

16% Off
Main highlights

Key Features
Offers 2-22TB capacity, RAID-optimized, 550TB/yr workload rate. Ideal for 24x7 high-intensity NAS environments. Extensively tested for compatibility.

Ideal Use Cases
Perfect for multi-user NAS systems, high-intensity work environments, and 24x7 operations requiring large storage and reliability.

Customer Reviews
Most praised for its reliability and compatibility with various NAS systems, ensuring smooth and efficient operation.
9.9

Exceptional

Our Rating

9.7
lasts a long time

9.5
materials Quality

9.3
Easy installation
How do we rank?

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Based on millions of stores and reviews

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Value for Money

2

Seagate
Seagate Exos X20 20TB Internal Hard Drive - 3.5 Inch Hyperscale SATA 6Gb/s HDD, 7200 RPM, 2.5M MTBF, 512e and 4Kn FastFormat, Low Latency with Enhanced Caching (ST20000NM007D)
Main highlights

Key Features
Offers hyperscale capabilities, consistent low-latency performance, high capacity for data analytics, cost-effective storage solutions, and unmatched reliability with a 5-year warranty.

Ideal Use Cases
Perfect for big data applications, dense architectural analytics, and environments requiring high reliability and efficiency, such as data centers and complex computing tasks.

Customer Reviews Summary
Most praised for its reliability and efficiency, with users highlighting the low cost per terabyte and the product`s ability to handle intensive data workloads.
9.8

Exceptional

Our Rating

9.5
Easy installation

9.3
Storage space

8.2
worth the money
3

Seagate
Seagate ST20000NE000 IronWolf Pro 20TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 7200 RPM (Renewed)
Main highlights

Optimised for NAS Performance
AgileArray technology ensures top RAID performance in multi-bay systems.

Ideal for Enterprise Use
Perfect for commercial NAS, video production RAID, and network storage.

Praised for Reliability
Customers appreciate its seamless performance despite being refurbished.
9.6

Exceptional

Our Rating
4

Seagate
Seagate Expansion 20TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP20000400)
Main highlights

Plug and Play Convenience
Easy-to-use desktop hard drive with simple plug-in setup.

Ideal for Large Data Storage
Perfect for storing and managing extensive data collections.

Fast Transfer Speeds
USB 3.0 praised for efficient and quick file transfers.
9.5

Excellent

Our Rating
5

MDD MAXDIGITALDATA

MDD MAXDIGITALDATA (MD20TSATA25672NAS 20TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5inch Internal NAS Hard Drive (Renewed)
9.3

Excellent

Our Rating
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6

Western Digital
WD 20TB Elements Desktop External Hard Drive, USB 3.0 drive for plug-and-play storage - WDBWLG0200HBK-NESN
Main highlights

High-Capacity Storage
Offers 20TB of mechanical hard disk space for extensive data.

Ideal for Backup and Media
Perfect for photographers and users needing large media storage.

Quiet and Reliable Performance
Praised for its quiet operation and reliability in reviews.
9.2

Excellent

Our Rating

9.7
Simple to use

9.5
Storage space

9.3
lasts a long time
7

Seagate

Seagate Exos ST24000NM000C 24TB 7.2K RPM SATA 6Gb/s 512e 3.5in Enterprise Hard Drive (Renewed)
9.0

Excellent

Our Rating
8

Seagate

Seagate Exos 22TB SATA HDD 6Gb/s 7200RPM 3.5-inch Enterprise Hard Drive (ST22000NM000C) (Renewed)
8.9

Very Good

Our Rating
9

Seagate

Seagate Exos X20 ST20000NM007D 20TB 7.2K RPM SATA 6Gb/s 3.5in Hard Drive (Renewed)
8.8

Very Good

Our Rating
10

Toshiba
Toshiba N300 20TB NAS 3.5-Inch Internal Hard Drive - CMR SATA 6 GB/s 7200 RPM 512 MB Cache - HDWG62AXZSTA
Main highlights

24/7 Operation Reliability
Designed for continuous use with high reliability and up to 180TB/year workload.

Ideal for NAS Setups
Perfect for small office and home office NAS environments.

High Performance Praised
7200 RPM speed and large cache size enhance performance, as noted by users.
8.7

Very Good

Our Rating

10 Best 20tb hard drives of 2025

1

Western Digital 20TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD201KFGX

9.7

9.5

9.3

How do we rank?

How do we rank?

Analyzing top stores

2

Seagate Exos X20 20TB Internal Hard Drive - 3.5 Inch Hyperscale SATA 6Gb/s HDD, 7200 RPM, 2.5M MTBF, 512e and 4Kn FastFormat, Low Latency with Enhanced Caching (ST20000NM007D)

9.5

9.3

8.2

3

Seagate ST20000NE000 IronWolf Pro 20TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 7200 RPM (Renewed)

4

Seagate Expansion 20TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP20000400)

5

MDD MAXDIGITALDATA (MD20TSATA25672NAS 20TB 7200RPM 256MB Cache SATA 6.0Gb/s 3.5inch Internal NAS Hard Drive (Renewed)

6

WD 20TB Elements Desktop External Hard Drive, USB 3.0 drive for plug-and-play storage - WDBWLG0200HBK-NESN

9.7

9.5

9.3

7

Seagate Exos ST24000NM000C 24TB 7.2K RPM SATA 6Gb/s 512e 3.5in Enterprise Hard Drive (Renewed)

8

Seagate Exos 22TB SATA HDD 6Gb/s 7200RPM 3.5-inch Enterprise Hard Drive (ST22000NM000C) (Renewed)

9

Seagate Exos X20 ST20000NM007D 20TB 7.2K RPM SATA 6Gb/s 3.5in Hard Drive (Renewed)

10

Toshiba N300 20TB NAS 3.5-Inch Internal Hard Drive - CMR SATA 6 GB/s 7200 RPM 512 MB Cache - HDWG62AXZSTA

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