10 Best internal hard drives of 2025

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Best Choice

1

Western Digital

Western Digital DC HC555 internal hard drive 18 TB
9.8

Exceptional

Our Rating
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Value for Money

2

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

30% 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.
Key specs
- rotation speed:7200 RPM
- flash memory:20 TB
- interface:Serial ATA
- dimensions:5.79 x 4 x 1.03 inches
- hard drive:20 TB Mechanical Hard Disk
9.7

Exceptional

Our Rating

9.7
lasts a long time

9.5
materials Quality

9.3
Easy installation
3

Seagate
Seagate BarraCuda 8TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC (ST8000DMZ04/004)
Main highlights

Proven Reliability
Store more, compute faster with BarraCuda's 20 years of innovation.

Ideal for Backup
Best for slow access tasks like backups and media storage.

Praised Storage Capacity
Customers appreciate its 8TB capacity for extensive file storage.
9.6

Exceptional

Our Rating

9.7
worth the money

9.5
lasts a long time

9.5
Storage space
4

Seagate
Seagate IronWolf 8TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage – Frustration Free Packaging (ST8000VNZ04/N004)
Main highlights

High Capacity and Performance
8TB storage with 7200 RPM speed and 256MB cache for efficient data handling.

Optimized for NAS Use
Ideal for multi-user NAS environments, enhancing file-sharing and reducing wear.

Praised Reliability
Customers appreciate the robust build and long-term reliability for continuous use.
9.5

Excellent

Our Rating

9.9
Long life

9.5
Easy installation

9.5
Storage space
5

Western Digital

Western Digital 14TB Ultrastar DC HC530 SATA HDD - 7200 RPM Class, SATA 6 Gb/s, 512MB Cache, 3.5" - WUH721414ALE604 (Renewed)
9.2

Excellent

Our Rating
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6

Western Digital
Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD101EFBX
Main highlights

Key Features
Supports 1-14TB capacity, up to 215MB/s transfer rate, and 180 TB/yr workload. NASware firmware enhances compatibility.

Ideal Use Cases
Perfect for SMB NAS systems in 24x7 environments, supporting up to 8 bays for extensive storage needs.

Customer Praises
Most reviews highlight its reliability and superior performance in continuous operation environments as the most appreciated features.
9.1

Excellent

Our Rating

9.7
Storage space

9.5
Easy installation

8.9
Noise level
7

Seagate

Seagate Enterprise Capacity 3.5 HDD 10TB (Helium) 7200RPM SATA 6Gb/s 256 MB Cache Internal Bare Drive (ST10000NM0016) (Renewed)

28% Off
8.9

Very Good

Our Rating
8

Western Digital

Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAX
8.6

Very Good

Our Rating
9

Seagate
Seagate Barracuda Pro 10TB Internal Hard Drive Performance HDD – 3.5 Inch SATA 6 Gb/s 7200 RPM 256MB Cache for Computer Desktop PC (ST10000DM0004) (Renewed)
Main highlights

High Capacity Storage Solution
Offers a massive 10TB storage capacity, ideal for extensive data needs.

Optimal for Desktop Use
Perfect for desktop PCs requiring high-speed data access and storage.

Highly Rated Performance
Customers praise its reliable 7200 RPM speed and 256MB cache.
Key specs
- Form Factor:3.5-inch
- Rotational Speed:7200 RPM
- Capacity:10 TB
- Read Speed:220 MB/s
- Hard Drive:10 TB
8.5

Good

Our Rating
10

Western Digital

Western Digital 6TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6004FZBX

14% Off
8.4

Good

Our Rating

10 Best internal hard drives of 2025

1

Western Digital DC HC555 internal hard drive 18 TB

How do we rank?

How do we rank?

Analyzing top stores

2

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

3

Seagate BarraCuda 8TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC (ST8000DMZ04/004)

9.7

9.5

9.5

4

Seagate IronWolf 8TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage – Frustration Free Packaging (ST8000VNZ04/N004)

9.9

9.5

9.5

5

Western Digital 14TB Ultrastar DC HC530 SATA HDD - 7200 RPM Class, SATA 6 Gb/s, 512MB Cache, 3.5" - WUH721414ALE604 (Renewed)

6

Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD101EFBX

9.7

9.5

8.9

7

Seagate Enterprise Capacity 3.5 HDD 10TB (Helium) 7200RPM SATA 6Gb/s 256 MB Cache Internal Bare Drive (ST10000NM0016) (Renewed)

8

Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAX

9

Seagate Barracuda Pro 10TB Internal Hard Drive Performance HDD – 3.5 Inch SATA 6 Gb/s 7200 RPM 256MB Cache for Computer Desktop PC (ST10000DM0004) (Renewed)

10

Western Digital 6TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6004FZBX

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