Best Internal Hard Drives Updated August 2025
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Best Internal Hard Drives
2025 Buyer's GuideUpdated August 2025
Advertiser disclosure About our rankings
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Best Hard Drive

9.6

1

9.6

HGST - WD Ultrastar DC HC520 HDD | HUH721212ALE601 | 12TB 7200RPM SATA 6Gb/s 256MB Cache 3.5-Inch | ISE 512e | Helium Data Cent...
Type: Internal HDD
Storage Capacity: 12TB
Transfer Rate: 180 MB/s
Hardware Interface: SATA 6 GB/s
Compatibility: Windows, Mac
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Save 31%
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50+ bought in past month
Save 31%
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50+ bought in past month
50+ bought in past month
Best Hard Drive

9.6

1
HGST - WD Ultrastar DC HC520 HDD | HUH721212ALE601 | 12TB 7200RPM SATA 6Gb/s 256MB Cache 3.5-Inch | ISE 512e | Helium Data Cent...
Type: Internal HDD
Storage Capacity: 12TB
Transfer Rate: 180 MB/s
Hardware Interface: SATA 6 GB/s
Compatibility: Windows, Mac
50+ bought in past month
Save 31%
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Read Full Review

9.4

2

9.4

Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000D...
Type: Internal HDD
Storage Capacity: 1TB - 14TB
Transfer Rate: 190 MB/s
Hardware Interface: SATA 6 GB/s
Compatibility: Windows, Mac
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9.4

2
Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000D...
Type: Internal HDD
Storage Capacity: 1TB - 14TB
Transfer Rate: 190 MB/s
Hardware Interface: SATA 6 GB/s
Compatibility: Windows, Mac
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9.1

3

9.1

Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration...
Type: Internal HDD
Storage Capacity: 1TB - 14TB
Transfer Rate: 190 MB/s
Hardware Interface: SATA 6 GB/s
Compatibility: Windows, Mac
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9.1

3
Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration...
Type: Internal HDD
Storage Capacity: 1TB - 14TB
Transfer Rate: 190 MB/s
Hardware Interface: SATA 6 GB/s
Compatibility: Windows, Mac
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Best Value

8.9

4

8.9

Western Digital 1TB WD Blue PC Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 64 MB Cache, 3.5" - WD10EZEX
Type: Internal HDD
Storage Capacity: 1TB - 8TB
Transfer Rate: 100 MB/s
Hardware Interface: SATA 6 GB/s
Compatibility: Windows, Mac
Save 28%
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Save 28%
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Best Value

8.9

4
Western Digital 1TB WD Blue PC Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 64 MB Cache, 3.5" - WD10EZEX
Type: Internal HDD
Storage Capacity: 1TB - 8TB
Transfer Rate: 100 MB/s
Hardware Interface: SATA 6 GB/s
Compatibility: Windows, Mac
Save 28%
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8.6

5

8.6

Seagate IronWolf 4TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 5900 RPM 64MB Cache for RAID Network Attached Storag...
Type: Internal HDD
Storage Capacity: 3TB - 20TB
Transfer Rate: 180 MB/s
Hardware Interface: SATA 6 GB/s
Compatibility: Windows, Mac
Compare
Compare

8.6

5
Seagate IronWolf 4TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 5900 RPM 64MB Cache for RAID Network Attached Storag...
Type: Internal HDD
Storage Capacity: 3TB - 20TB
Transfer Rate: 180 MB/s
Hardware Interface: SATA 6 GB/s
Compatibility: Windows, Mac
Compare
Popular

8.5

6

8.5

Seagate Enterprise Capacity 3.5 HDD 10TB (Helium) 7200RPM SATA 6Gb/s 256 MB Cache Internal Bare Drive (ST10000NM0016) (Renewed)...
Type: Internal HDD
Storage Capacity: 10TB
Transfer Rate: 600 MB/s
Hardware Interface: SATA 6 GB/s
Compatibility: Windows, Mac, PS5, Xbox
Compare
Compare
Popular

8.5

6
Seagate Enterprise Capacity 3.5 HDD 10TB (Helium) 7200RPM SATA 6Gb/s 256 MB Cache Internal Bare Drive (ST10000NM0016) (Renewed)...
Type: Internal HDD
Storage Capacity: 10TB
Transfer Rate: 600 MB/s
Hardware Interface: SATA 6 GB/s
Compatibility: Windows, Mac, PS5, Xbox
Compare

8.3

7

8.3

Western Digital 2TB WD Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 64 MB Cache, 3.5" - WD2003FZEX
Type: Internal HDD
Storage Capacity: 500GB - 10TB
Transfer Rate: 164 MB/s
Hardware Interface: SATA 6 GB/s
Compatibility: Windows, Mac
Save 12%
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Save 12%
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8.3

7
Western Digital 2TB WD Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 64 MB Cache, 3.5" - WD2003FZEX
Type: Internal HDD
Storage Capacity: 500GB - 10TB
Transfer Rate: 164 MB/s
Hardware Interface: SATA 6 GB/s
Compatibility: Windows, Mac
Save 12%
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8.2

8

8.2

Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Resc...
Type: Internal HDD
Storage Capacity: 4TB
Transfer Rate: 6000 MB/s
Hardware Interface: SATA 6GB/s
Compatibility: Windows
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Save 15%
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Save 15%
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8.2

8
Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Resc...
Type: Internal HDD
Storage Capacity: 4TB
Transfer Rate: 6000 MB/s
Hardware Interface: SATA 6GB/s
Compatibility: Windows
Save 15%
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Premium Pick

8.1

9

8.1

Seagate (Recertified Exos X 28TB Internal Hard Drive HDD - 3.5 in CMR SATA 6Gb/s, 7200 RPM, 512MB Cache, 2.5M MTBF (ST28000NM00...
Type: Internal HDD
Storage Capacity: 28TB
Transfer Rate: 270 MB/s
Hardware Interface: SATA 6Gb/s
Compatibility: Windows, Mac
Compare
Compare
Premium Pick

8.1

9
Seagate (Recertified Exos X 28TB Internal Hard Drive HDD - 3.5 in CMR SATA 6Gb/s, 7200 RPM, 512MB Cache, 2.5M MTBF (ST28000NM00...
Type: Internal HDD
Storage Capacity: 28TB
Transfer Rate: 270 MB/s
Hardware Interface: SATA 6Gb/s
Compatibility: Windows, Mac
Compare

7.4

10

7.4

Western Digital 10TB Ultrastar DC HC510 SATA HDD - 7200 RPM Class, SATA 6 Gb/s, 256MB Cache, 3.5" - Power-Disable Model - HUH72...
Quality
Value for money
Capacity
Speed
Save 66%
Save 66%

7.4

10
Western Digital 10TB Ultrastar DC HC510 SATA HDD - 7200 RPM Class, SATA 6 Gb/s, 256MB Cache, 3.5" - Power-Disable Model - HUH72...
Quality
Value for money
Capacity
Speed
Save 66%
We also considered 4 others:

Our Top Choice

Best Hard Drive

9.6

1

9.6

HGST - WD Ultrastar DC HC520 HDD | HUH721212ALE601 | 12TB 7200RPM SATA 6Gb/s 256MB Cache 3.5-Inch | ISE 512e | Helium Data Cent...
Type: Internal HDD
Storage Capacity: 12TB
Transfer Rate: 180 MB/s
Hardware Interface: SATA 6 GB/s
Compatibility: Windows, Mac
Read Full Review
Save 31%
Compare
50+ bought in past month
Save 31%
Compare
50+ bought in past month
50+ bought in past month
Best Hard Drive

9.6

1
HGST - WD Ultrastar DC HC520 HDD | HUH721212ALE601 | 12TB 7200RPM SATA 6Gb/s 256MB Cache 3.5-Inch | ISE 512e | Helium Data Cent...
Type: Internal HDD
Storage Capacity: 12TB
Transfer Rate: 180 MB/s
Hardware Interface: SATA 6 GB/s
Compatibility: Windows, Mac
50+ bought in past month
Save 31%
Compare
Read Full Review

Compare Features

Hardware Interface
Best Hard Drive
1. WD Ultrastar DC HC520 HDD (Renewed)
HGST Preview HGST Preview
HGST
at Amazon
2. Seagate BarraCuda Internal Hard Drive HDD
SEAGATE Preview SEAGATE Preview
SEAGATE
at Amazon
3. Seagate BarraCuda Internal Hard Drive (4TB)
SEAGATE Preview SEAGATE Preview
SEAGATE
at Amazon
Best Value
4. Western Digital WD Blue Hard Drive
WESTERN DIGITAL Preview WESTERN DIGITAL Preview
WESTERN DIGITAL
at Amazon
5. Seagate Ironwolf NAS Internal Hard Drive
SEAGATE Preview SEAGATE Preview
SEAGATE
at Amazon
Popular
6. Seagate Enterprise ST10000NM0016 Internal Hard Drive (Renewed)
SEAGATE Preview SEAGATE Preview
SEAGATE
at Amazon
7. Western Digital 2TB Black Internal Hard Drive
WESTERN DIGITAL Preview WESTERN DIGITAL Preview
WESTERN DIGITAL
at Amazon
8. Seagate IronWolf 4TB NAS Internal Hard Drive
SEAGATE Preview SEAGATE Preview
SEAGATE
at Amazon
Premium Pick
9. Seagate Exos X Internal Hard Drive (Renewed)
SEAGATE Preview SEAGATE Preview
SEAGATE
at Amazon
10. Western Digital 10TB Ultrastar DC HC510 SATA HDD - 7200 RPM Class, SATA 6 Gb/s, 256MB Cache, 3.5" - Power-Disable Model - HUH72...
WESTERN DIGITAL Preview WESTERN DIGITAL Preview
WESTERN DIGITAL
at Amazon
Deal
Save 31% — — Save 28% — — Save 12% Save 15% — Save 66%
Deal Save 31% — — Save 28% — — Save 12% Save 15% — Save 66%
Type
Internal HDD Internal HDD Internal HDD Internal HDD Internal HDD Internal HDD Internal HDD Internal HDD Internal HDD
Type 		Internal HDD Internal HDD Internal HDD Internal HDD Internal HDD Internal HDD Internal HDD Internal HDD Internal HDD
Storage Capacity
12TB 1TB - 14TB 1TB - 14TB 1TB - 8TB 3TB - 20TB 10TB 500GB - 10TB 4TB 28TB
Storage Capacity 		12TB 1TB - 14TB 1TB - 14TB 1TB - 8TB 3TB - 20TB 10TB 500GB - 10TB 4TB 28TB
Transfer Rate
180 MB/s 190 MB/s 190 MB/s 100 MB/s 180 MB/s 600 MB/s 164 MB/s 6000 MB/s 270 MB/s
Transfer Rate 		180 MB/s 190 MB/s 190 MB/s 100 MB/s 180 MB/s 600 MB/s 164 MB/s 6000 MB/s 270 MB/s
Hardware Interface
SATA 6 GB/s SATA 6 GB/s SATA 6 GB/s SATA 6 GB/s SATA 6 GB/s SATA 6 GB/s SATA 6 GB/s SATA 6GB/s SATA 6Gb/s
Hardware Interface 		SATA 6 GB/s SATA 6 GB/s SATA 6 GB/s SATA 6 GB/s SATA 6 GB/s SATA 6 GB/s SATA 6 GB/s SATA 6GB/s SATA 6Gb/s
Compatibility
Windows, Mac Windows, Mac Windows, Mac Windows, Mac Windows, Mac Windows, Mac, PS5, Xbox Windows, Mac Windows Windows, Mac
Compatibility 		Windows, Mac Windows, Mac Windows, Mac Windows, Mac Windows, Mac Windows, Mac, PS5, Xbox Windows, Mac Windows Windows, Mac

Related Categories
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Related Categories
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