The WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ costs $0.0525/GB while the Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) costs $0.0410/GB. Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) offers 22% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ vs Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) — Which Is Better Value?

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Specification Comparison

SpecWD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZSeagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000)
BrandWestern DigitalSeagate
Capacity6TB5 TB
$/GB$0.0525$0.0410
Price$314.99$204.79
RetailerNeweggAmazon
CategoryHard Drives (HDD)Hard Drives (HDD)
Subcategoryhddhdd

Price Across Retailers

WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ

Newegg$0.0525//GB
$314.99Buy
Newegg$0.0530//GB
$317.99Buy
Newegg$0.0533//GB
$319.99Buy
Newegg$0.0549//GB
$329.48Buy

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

Amazon$0.0410//GB
$204.79Buy

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 $0.0410//GB compared to the WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ at $0.0525//GB — that's roughly 22% 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 $204.79 at Amazon, while the WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ starts at $314.99 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 Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ and Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) product page for detailed specifications and price history.

Frequently Asked Questions

Is WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ or Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) 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 $0.0410//GB compared to WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ at $0.0525//GB. That is approximately 22% better value per gigabyte.

What is the price per GB of WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ?

The WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ is currently priced at $0.0525/GB ($314.99 for 6TB) at Newegg.

Where can I buy Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000) for the cheapest price?

The cheapest price 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 $204.79 at Amazon, which works out to $0.0410/GB.

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