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Internal Hard Drives Comparison - September 2025

2 Best Internal Hard Drives In Canada

1
Best Choice
9.9Exceptional
2
9.7Exceptional
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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
Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ

Brand

Seagate
Brand
Western Digital

Reviews

330,618 reviews
Reviews
675 reviews

Available On

Available On

Our Top 2 Picks

Here are the top 2 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
  • 9.7
    2
    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 .

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Features

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Consumer Reviews

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Popularity

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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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