10 Best 4tb internal hard drives of 2025

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Best Choice

1

Western Digital

Western Digital 4TB WD Black Gaming Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD4006FZBX
9.8

Exceptional

Our Rating
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Value for Money

2

Seagate
Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006)
Main highlights

High Capacity and Reliability
Offers up to 16TB storage with 1M hours MTBF for durability.

Perfect for NAS Environments
Designed for up to 8-bay NAS systems, enhancing performance.

Praised for Reliable Performance
Customers appreciate its reliability in RAID configurations.
9.7

Exceptional

Our Rating

9.7
Storage space

9.5
Easy installation

9.3
Long life
3

Seagate

Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004

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9.5

Excellent

Our Rating

9.7
worth the money

9.5
lasts a long time

9.5
Storage space
4

Western Digital

Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAX
9.2

Excellent

Our Rating
5

Western Digital
Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" -WD40EFPX
Main highlights

Key Features and Benefits
4TB capacity, 5400 RPM, 256MB cache, SATA 6 Gb/s, CMR.

Ideal Use Cases
Perfect for NAS systems and small to medium business environments.

Praised Feature in Reviews
Reliability and performance in continuous operation setups.
Key specs
- rotation speed:5400 RPM
- interface:Serial ATA-600
- dimensions:5.79 x 4 x 1.03 inches
- hard drive:4 TB Mechanical Hard Disk
- flash memory:N/A
8.9

Very Good

Our Rating

9.9
Storage space

9.7
lasts a long time

8.0
Noise level
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6

Seagate
Seagate Skyhawk 4TB Video Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 64MB Cache for DVR NVR Security Camera System with Drive Health Management and in-House Rescue Services (ST4000VXZ16/016)
Main highlights

Video Optimized Storage
Built for video DVR and NVR security camera systems, SkyHawk delivers video-optimized storage, supporting workloads up to 180TB/year with zero dropped frames.

Ideal for Security Systems
Perfect for multi-bay NVR setups, SkyHawk drives maintain performance with built-in RV sensors, lower power consumption, and scalable storage options.

Highly Reliable Performance
Customers praise the reliability and performance of Seagate SkyHawk drives, noting long-term use without issues, quiet operation, and efficient temperature management.
Key specs
- rotation speed:7200 RPM
- interface:eSATA
- dimensions:0.8 x 4 x 5.78
- hard drive:4 TB Mechanical
- flash memory:4 TB
8.6

Very Good

Our Rating

9.9
Storage space

9.7
Easy installation

8.9
lasts a long time
7

HGST
HGST MegaScale DC 4000.B HMS5C4040BLE640 (0F23139) 4TB Coolspin 64MB Cache SATA III 6.0Gb/s 3.5in Enterprise NAS Hard Drive - w/3 Year Warranty (Renewed)
Main highlights

Key Features
4TB storage, 64MB Cache, Coolspin 5700RPM, SATA III interface. Enterprise-class reliability with 3-year warranty, optimized for 24/7 operations.

Ideal Use Cases
Perfect for NAS, RAID, backup storage, servers, PCs/Macs, and surveillance systems. Designed for heavy-duty, continuous operation in data-intensive environments.

Customer Praise
Most reviews highlight its excellent reliability and power efficiency, making it a top choice for datacenter and heavy-duty applications.
Key specs
- rotation speed:5700 RPM
- interface:Serial ATA-600
- dimensions:5.5 x 4 x 1 inches
- hard drive:4 TB Raid
- flash memory:4 TB
8.4

Good

Our Rating

9.9
Easy installation

9.7
worth the money

9.5
Storage space
8

Western Digital

Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ
8.2

Good

Our Rating
9

Western Digital
Western Digital RE 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Internal Hard Drive (WD4000FYYZ) OEM (Renewed)
Main highlights

Key Features
High-capacity (4 TB) with 6 Gb/s transfer rates, 171 MB/s sequential data, dual processor, and 1.2 million hour MTBF for reliability.

Ideal Use Cases
Perfect for 24x7 operation in high-duty cycle applications, business-critical storage, and environments requiring sustained high-performance and reliability.

Customer Reviews
Most praised for its reliability and performance consistency in demanding applications, offering peace of mind with a worry-free return policy.
Key specs
- rotation speed:7200 RPM
- interface:Serial ATA-600
- dimensions:5.8 x 4 x 1 inches
- hard drive:4 TB Mechanical Hard Disk
- flash memory:4 TB
8.0

Good

Our Rating

9.9
Easy installation

9.9
Storage space

9.1
for playing video games
10

HGST

HGST Ultrastar 7K4000 HUS724040ALA640 (0F14688) 4TB 64MB 7200RPM SATA 6Gb/s 3.5in Internal Enterprise Hard Drive (Renewed)
7.9

Good

Our Rating

10 Best 4tb internal hard drives of 2025

1

Western Digital 4TB WD Black Gaming Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD4006FZBX

How do we rank?

How do we rank?

Analyzing top stores

2

Seagate IronWolf 4TB NAS Internal Hard Drive CMR 3.5 Inch SATA 6Gb/s 5400 RPM 64MB Cache for RAID Network Attached Storage Rescue Services (ST4000VNZ06/006)

9.7

9.5

9.3

3

Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004

9.7

9.5

9.5

4

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

5

Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" -WD40EFPX

9.9

9.7

8.0

6

Seagate Skyhawk 4TB Video Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 64MB Cache for DVR NVR Security Camera System with Drive Health Management and in-House Rescue Services (ST4000VXZ16/016)

9.9

9.7

8.9

7

HGST MegaScale DC 4000.B HMS5C4040BLE640 (0F23139) 4TB Coolspin 64MB Cache SATA III 6.0Gb/s 3.5in Enterprise NAS Hard Drive - w/3 Year Warranty (Renewed)

9.9

9.7

9.5

8

Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ

9

Western Digital RE 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Internal Hard Drive (WD4000FYYZ) OEM (Renewed)

9.9

9.9

9.1

10

HGST Ultrastar 7K4000 HUS724040ALA640 (0F14688) 4TB 64MB 7200RPM SATA 6Gb/s 3.5in Internal Enterprise Hard Drive (Renewed)

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