The Seagate Constellation.2 500GB 7200RPM SATA 6 Gb/s 64MB Cache 2.5-Inch Internal Bare Drive ST9500620NS costs $0.0469/GB while the Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA costs $0.0372/GB. Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA offers 21% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

Seagate Constellation.2 500GB 7200RPM SATA 6 Gb/s 64MB Cache 2.5-Inch Internal Bare Drive ST9500620NS vs Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA — Which Is Better Value?

Specification Comparison

SpecSeagate Constellation.2 500GB 7200RPM SATA 6 Gb/s 64MB Cache 2.5-Inch Internal Bare Drive ST9500620NSToshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA
BrandSeagateTOSHIBA
Capacity500 GB4 TB
$/GB$0.0469$0.0372
Price$23.45$149.00
RetailerAmazonAmazon
CategoryHard Drives (HDD)Hard Drives (HDD)
Subcategoryhddhdd

Price Across Retailers

Seagate Constellation.2 500GB 7200RPM SATA 6 Gb/s 64MB Cache 2.5-Inch Internal Bare Drive ST9500620NS

Amazon$0.0469//GB
$23.45Buy

Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA

Amazon$0.0372//GB
$149.00Buy

Which Should You Buy?

Based on current pricing data, the Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA offers better value at $0.0372//GB compared to the Seagate Constellation.2 500GB 7200RPM SATA 6 Gb/s 64MB Cache 2.5-Inch Internal Bare Drive ST9500620NS at $0.0469//GB — that's roughly 21% less per gigabyte.

The best deal for the Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA is $149.00 at Amazon, while the Seagate Constellation.2 500GB 7200RPM SATA 6 Gb/s 64MB Cache 2.5-Inch Internal Bare Drive ST9500620NS starts at $23.45 at Amazon.

However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate Constellation.2 500GB 7200RPM SATA 6 Gb/s 64MB Cache 2.5-Inch Internal Bare Drive ST9500620NS and Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA product page for detailed specifications and price history.

Frequently Asked Questions

Is Seagate Constellation.2 500GB 7200RPM SATA 6 Gb/s 64MB Cache 2.5-Inch Internal Bare Drive ST9500620NS or Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA a better deal?

As of June 2026, Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA offers better value at $0.0372//GB compared to Seagate Constellation.2 500GB 7200RPM SATA 6 Gb/s 64MB Cache 2.5-Inch Internal Bare Drive ST9500620NS at $0.0469//GB. That is approximately 21% better value per gigabyte.

What is the price per GB of Seagate Constellation.2 500GB 7200RPM SATA 6 Gb/s 64MB Cache 2.5-Inch Internal Bare Drive ST9500620NS?

The Seagate Constellation.2 500GB 7200RPM SATA 6 Gb/s 64MB Cache 2.5-Inch Internal Bare Drive ST9500620NS is currently priced at $0.0469/GB ($23.45 for 500 GB) at Amazon.

Where can I buy Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA for the cheapest price?

The cheapest price for the Toshiba Canvio Advance 4TB Portable External Hard Drive USB 3.0, White - HDTCA40XW3CA is $149.00 at Amazon, which works out to $0.0372/GB.

Compare With Similar Products