The WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black costs $0.0423/GB while the Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black costs $0.0315/GB. Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black offers 25% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black vs Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black — Which Is Better Value?

Best Price$929.99
RetailerNewegg
$/GB$0.0423
Buy at Newegg — $929.99
Better Value
Best Price$629.99
RetailerBest Buy
$/GB$0.0315
Rating4.4 (245 reviews)
Buy at Best Buy — $629.99

Specification Comparison

SpecWD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive BlackSeagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black
BrandWestern DigitalSeagate
Capacity22TB20 TB
$/GB$0.0423$0.0315
Price$929.99$629.99
RetailerNeweggBest Buy
CategoryHard Drives (HDD)Hard Drives (HDD)
Subcategoryhddhdd

Price Across Retailers

WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black

Newegg$0.0423//GB
$929.99Buy

Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black

Best Buy$0.0315//GB
$629.99Buy

Which Should You Buy?

Based on current pricing data, the Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black offers better value at $0.0315//GB compared to the WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black at $0.0423//GB — that's roughly 25% less per gigabyte.

The best deal for the Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black is $629.99 at Best Buy, while the WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black starts at $929.99 at Newegg.

However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black and Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black product page for detailed specifications and price history.

Frequently Asked Questions

Is WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black or Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black a better deal?

As of June 2026, Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black offers better value at $0.0315//GB compared to WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black at $0.0423//GB. That is approximately 25% better value per gigabyte.

What is the price per GB of WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black?

The WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black is currently priced at $0.0423/GB ($929.99 for 22TB) at Newegg.

Where can I buy Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black for the cheapest price?

The cheapest price for the Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black is $629.99 at Best Buy, which works out to $0.0315/GB.

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