The Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) costs $0.0350/GB while the Seagate Exos 7E8 ST6000NM021A 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 512e costs $0.0579/GB. Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) offers 40% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) vs Seagate Exos 7E8 ST6000NM021A 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 512e — Which Is Better Value?

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Specification Comparison

SpecSeagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000)Seagate Exos 7E8 ST6000NM021A 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 512e
BrandSeagateSeagate
Capacity5 TB6TB
$/GB$0.0350$0.0579
Price$175.00$347.45
RetailerAmazonNewegg
CategoryHard Drives (HDD)Hard Drives (HDD)
Subcategoryhddhdd

Price Across Retailers

Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000)

Amazon$0.0350//GB
$175.00Buy

Seagate Exos 7E8 ST6000NM021A 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 512e

Newegg$0.0579//GB
$347.45Buy

Which Should You Buy?

Based on current pricing data, the Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) offers better value at $0.0350//GB compared to the Seagate Exos 7E8 ST6000NM021A 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 512e at $0.0579//GB — that's roughly 40% less per gigabyte.

The best deal for the Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) is $175.00 at Amazon, while the Seagate Exos 7E8 ST6000NM021A 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 512e starts at $347.45 at Newegg.

However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) and Seagate Exos 7E8 ST6000NM021A 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 512e product page for detailed specifications and price history.

Frequently Asked Questions

Is Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) or Seagate Exos 7E8 ST6000NM021A 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 512e a better deal?

As of August 2026, Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) offers better value at $0.0350//GB compared to Seagate Exos 7E8 ST6000NM021A 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 512e at $0.0579//GB. That is approximately 40% better value per gigabyte.

What is the price per GB of Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000)?

The Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) is currently priced at $0.0350/GB ($175.00 for 5 TB) at Amazon.

Where can I buy Seagate Exos 7E8 ST6000NM021A 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 512e for the cheapest price?

The cheapest price for the Seagate Exos 7E8 ST6000NM021A 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 512e is $347.45 at Newegg, which works out to $0.0579/GB.

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