The WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ costs $0.0473/GB while the Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive costs $0.0339/GB. Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers 28% better value per gigabyte as of July 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 ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive — Which Is Better Value?
WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ
Specification Comparison
| Spec | WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ | Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 6TB | 6TB |
| $/GB | $0.0473 | $0.0339 |
| Price | $284.00 | $203.36 |
| Retailer | Newegg | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers better value at $0.0339//GB compared to the WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ at $0.0473//GB — that's roughly 28% less per gigabyte.
The best deal for the Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive is $203.36 at Newegg, while the WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ starts at $284.00 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 ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive 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 ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive a better deal?
As of July 2026, Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive offers better value at $0.0339//GB compared to WD Purple 6TB 3.5' SATA Internal Hard Disk Drive WD64PURZ at $0.0473//GB. That is approximately 28% 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 $0.0473/GB ($284.00 for 6TB) at Newegg.
Where can I buy Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive for the cheapest price?
The cheapest price for the Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive is $203.36 at Newegg, which works out to $0.0339/GB.