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Internal Hard Drives Comparison - June 2025

3 Best Internal Hard Drives In Canada

1
Best Choice
9.9Exceptional
2
9.6Exceptional
3
Best Value
9.4Excellent
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Model

Seagate BarraCuda 8TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC – Frustration Free Packaging (ST8000DMZ04)
Model
Seagate IronWolf Pro 16TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage, Rescue Services - FFP g (ST16000NTZ01)
Model
Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ

Brand

Seagate
Brand
Seagate
Brand
Western Digital

Reviews

330,618 reviews
Reviews
82,629 reviews
Reviews
675 reviews

Tech Specs

product dimensions

14.71 x 10.16 x 2.62 cm 657.71 g
product dimensions
10.16 x 14.48 x 2.62 cm 670 g
product dimensions
14.71 x 10.16 x 2.62 cm 550 g

hard disk interface

Serial ATA
hard disk interface
eSATA
hard disk interface
Serial ATA-600

customer reviews

4.6 4.6 out of 5 stars 110, 206 ratings 4.6 out of 5 stars
customer reviews
4.6 4.6 out of 5 stars 27, 543 ratings 4.6 out of 5 stars
customer reviews
4.3 4.3 out of 5 stars 225 ratings 4.3 out of 5 stars

item dimensions l x w x h

14.7 x 10.2 x 2.6 Centimetres
item dimensions l x w x h
10.2 x 14.5 x 2.6 Centimetres
item dimensions l x w x h
14.7 x 10.2 x 2.6 Centimetres

hard drive rotational speed

5400 RPM
hard drive rotational speed
7200 RPM
hard drive rotational speed
5400 RPM

hard drive

8 TB Mechanical Hard Disk
hard drive
16 TB Mechanical Hard Disk
hard drive
4 TB Mechanical Hard Disk

Available On

Available On
Available On

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.9
    1
    Seagate

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

    Why we love it

    Large 8TB storage capacity.
    Versatile for various applications.
    Includes a two-year warranty.
    Main highlights
    • The go-to SATA hard drive solution for nearly every PC application—from music to video to photo editing to PC gaming
    • Store more, compute faster, and do it confidently with the proven reliability of BarraCuda internal hard drives
    • Recording technology: SMR
    • Note: Graphics May Vary & Size (3.5") refer to the size of the data platters not the size of the hard drive mechanism
    • Build a powerhouse gaming computer or desktop setup with a variety of capacities and form factors
  • 9.6
    2
    Seagate

    Seagate IronWolf Pro 16TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage, Rescue Services - FFP g (ST16000NTZ01)

    Main highlights
    • Peace of Mind with Data Recovery: Complimentary 3 year Rescue Data Recovery Services for a hassle-free, zero-cost data recovery experience
    • Optimized for NAS: AgileArray with dual-plane balancing, time-limited error recovery (TLER), and rotational vibration (RV) sensors to deliver top RAID performance in multi-bay environments
    • IronWolf Health Management: Helps protect data with prevention, intervention, and recovery recommendations to ensure peak system health
    • High Performance: All-CMR (conventional magnetic recording) portfolio enables consistent, industry-leading 24×7 performance allowing users to access data anytime, anywhere
    • Class-Leading Dependability: Up to 550TB/year workload rating, 2.5M hours MTBF, and 5-year limited warranty for unparalleled total cost of ownership (TCO)
  • 9.4
    3
    Western Digital

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

    Main highlights
    • WD AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications
    • Tarnish-resistant components(6) | (6) Tarnish resistant components for capacities 3TB and higher.
    • Supports up to 180 TB/yr workload rate(3) | (3) Workload Rate is defined as the amount of user data transferred to or from the hard drive. Workload Rate is annualized (TB transferred ✕ (8760 / recorded power-on hours)). Workload Rate will vary depending on your hardware and software components and configurations.
    • Support for up to 16 bays(7) | (7) 1TB through 2TB support up to eight bays; 3TB and above support up to 16 bays.
    • Engineered for mainstream surveillance systems, not compatible with NAS .

Our ranking system

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Features

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Consumer Reviews

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Value for money

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When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.

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