FRANK'S CORNER

The Need for Data Storage: Comparing External Disk Drives

By Frank Fota, LTC, USA (Ret.), VFW Post 3103 Auxiliary

 

As digital content continues to grow in size and quality, the need for reliable data storage has never been greater. Photos, music, and videos now occupy significantly more space than they did just a decade ago, driven by advances in resolution, file formats, and consumer demand for high-quality media.

Media Type

Typical File Size (2015)

Typical File Size (2025)

Main Growth Drivers

Photos

2–4 MB

6–15 MB+

Higher resolution, RAW formats

Digital Music

3–10 MB (MP3)

3–50 MB+ (Hi-Res/FLAC)

Lossless, hi-res audio adoption

Videos

1–2 GB/hour (HD)

7–15 GB+/hour (4K/8K)

4K/8K, HDR, higher frame rates

 

With this rapid increase in data generation, consumers need dependable storage solutions for both primary files and backups. External disk drives remain essential for expanding storage, safeguarding important data, and transferring large files. Choosing the right drive can simplify data management and enhance security, especially for novice users.

 

Types of External Disk Drives

 

Hard Disk Drives (HDDs)

  • Use traditional spinning disks
  • Offer large capacities at low cost
  • Slower than SSDs but reliable for backups and archiving
  • Heavier and less resistant to shocks

Solid State Drives (SSDs)

  • Use flash memory with no moving parts
  • Significantly faster for reading and writing files
  • More durable and portable
  • Higher cost per gigabyte, but prices have decreased

 

HDDs are best for affordable, high-capacity backups. SSDs are ideal for those who prioritize speed, portability, and durability—especially for travel or frequent use.

 

Top External Drives Under $150

Drive

Type

Capacity Options

Typical Price

Max Speed

Warranty

Portability

Notable Features

Seagate Expansion

HDD

2TB–5TB+

$70–$100

~120 MB/s

1 yr

Low

High capacity, low cost

WD My Passport

HDD

1TB–5TB

$60–$125

~120 MB/s

3 yrs

High

Compact, reliable

WD Elements Portable

HDD

1TB–4TB

$65–$100

~120 MB/s

2 yrs

High

Plug-and-play, great value

Samsung T7

SSD

500GB–2TB

$100–$150

~1,050 MB/s

3 yrs

Very High

Fast, secure, rugged

Kingston XS1000

SSD

1TB–2TB

$75–$120

~1,000 MB/s

3 yrs

Very High

Ultra-compact, fast

SanDisk Extreme Portable

SSD

1TB–2TB

$130–$220

~1,050 MB/s

3 yrs

High

Rugged, water/dust resistant

 

Best for Capacity and Value

  • Seagate Expansion (HDD): 2TB for about $70, 5TB for about $100. Excellent for storing large photos, videos, and document collections.
  • WD My Passport (HDD): 5TB for about $125. Compact, USB-powered, and reliable with a three-year warranty.
  • WD Elements Portable (HDD): 2TB for about $65, 4TB for about $100. Highly rated for value and reliability, with a simple setup.

Best for Speed and Portability

  • Samsung T7 (SSD): 1TB for about $100–$120. Ultra-fast, compact, and features hardware encryption.
  • Kingston XS1000 (SSD): 2TB for about $120. Extremely small and fast, ideal for travel.
  • SanDisk Extreme Portable SSD: 1TB for about $130. Rugged, water and dust resistant (IP65), though some users report reliability concerns—check the warranty and back up data redundantly.

 

What to Consider When Choosing

  • Compatibility: Most drives are compatible with Windows and Mac, but check for included cables (USB-A, USB-C) and potential reformatting requirements.
  • Portability: SSDs are lighter and more durable, ideal for frequent travel.
  • Backup Features: Some drives include backup software, while others rely on your computer’s tools.
  • Security: Drives like the Samsung T7 offer hardware encryption for secure storage of sensitive data.
  • Warranty: Longer warranties (2–3 years) offer added peace of mind.

 

Recommendations by Need

 

  • Photo/Video Storage: Opt for a high-capacity hard drive (HDD) like the Seagate Expansion or WD My Passport for affordable archiving.
  • Travel and Portability: Opt for an SSD such as the Samsung T7 or Kingston XS1000 for durability and speed on the go.
  • Backup and Security: Select drives with robust warranties and backup features, such as the WD My Passport Ultra. Always keep at least two copies of your critical files, and consider cloud backup for extra protection.

 

Conclusion

For those seeking the best external disk drives under $150, your choice depends on your priorities:

  • Best for Storage: Seagate Expansion and WD My Passport provide the most space for your money.
  • Best for Speed and Portability: Samsung T7 and Kingston XS1000 SSDs are fast, durable, and easy to carry.
  • Best All-Around: The WD Elements Portable strikes a balance between price, reliability, and ease of use.

Regardless of your choice, regularly back up your essential data and consider your specific needs—whether it’s archiving family memories, traveling, or simply expanding your computer’s storage. Today’s external drives make reliable, affordable storage accessible for everyone.

 

Sources

1. CNET, The Best External Hard Drives: Our Top Storage Picks for 2025, Apr 9, 2025, David Carnoy, https://www.cnet.com/tech/computing/best-external-hard-drive-ssd/

 

2. PC Magazine, The Best External Hard Drives for 2025, May 12, 2025, Tony Hoffman,

https://www.pcmag.com/picks/the-best-external-hard-drives

 

3. TechRadar, Best External Hard Drive of 2025: Expert Picks Based on Real-world Testing, Apr 15, 2025, John Loeffler, https://www.techradar.com/news/best-external-desktop-and-portable-hard-disk-drives

 

4. The New York Times, Wirecutter, The Best External Hard Drive, Jun 3, 2024, Joel Santo Domingo, https://www.nytimes.com/wirecutter/reviews/best-external-hard-drives/

 

5. Wired, The Best External Hard Drives, Feb 18, 2025, Scott Gilbertson,

https://www.wired.com/story/best-portable-external-storage-drives/