The WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD6003FZBX costs $0.0657/GB while the Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive costs $0.0347/GB. Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers 47% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD6003FZBX vs Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive — Which Is Better Value?
Specification Comparison
| Spec | WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD6003FZBX | Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 6TB | 6TB |
| $/GB | $0.0657 | $0.0347 |
| Price | $394.45 | $207.97 |
| 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 offers better value at $0.0347//GB compared to the WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD6003FZBX at $0.0657//GB — that's roughly 47% 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 is $207.97 at Newegg, while the WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD6003FZBX starts at $394.45 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD6003FZBX and Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD6003FZBX or Seagate BarraCuda ST6000DM003 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard 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 offers better value at $0.0347//GB compared to WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD6003FZBX at $0.0657//GB. That is approximately 47% better value per gigabyte.
What is the price per GB of WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD6003FZBX?
The WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD6003FZBX is currently priced at $0.0657/GB ($394.45 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 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 is $207.97 at Newegg, which works out to $0.0347/GB.