The Seagate - Barracuda 4TB Internal Hard Drive for Desktops costs $0.0275/GB while the WD - Purple 4TB Surveillance Internal Hard Drive costs $0.0262/GB. WD - Purple 4TB Surveillance Internal Hard Drive offers 5% better value per gigabyte as of March 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate - Barracuda 4TB Internal Hard Drive for Desktops vs WD - Purple 4TB Surveillance Internal Hard Drive — Which Is Better Value?
WD - Purple 4TB Surveillance Internal Hard Drive
Specification Comparison
| Spec | Seagate - Barracuda 4TB Internal Hard Drive for Desktops | WD - Purple 4TB Surveillance Internal Hard Drive |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.0275 | $0.0262 |
| Price | $109.99 | $104.99 |
| Retailer | Best Buy | Best Buy |
| Category | Hard Drives & SSDs | Hard Drives & SSDs |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the WD - Purple 4TB Surveillance Internal Hard Drive offers better value at $0.0262//GB compared to the Seagate - Barracuda 4TB Internal Hard Drive for Desktops at $0.0275//GB — that's roughly 5% less per gigabyte.
The best deal for the WD - Purple 4TB Surveillance Internal Hard Drive is $104.99 at Best Buy, while the Seagate - Barracuda 4TB Internal Hard Drive for Desktops starts at $109.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate - Barracuda 4TB Internal Hard Drive for Desktops and WD - Purple 4TB Surveillance Internal Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate - Barracuda 4TB Internal Hard Drive for Desktops or WD - Purple 4TB Surveillance Internal Hard Drive a better deal?
As of March 2026, WD - Purple 4TB Surveillance Internal Hard Drive offers better value at $0.0262//GB compared to Seagate - Barracuda 4TB Internal Hard Drive for Desktops at $0.0275//GB. That is approximately 5% better value per gigabyte.
What is the price per GB of Seagate - Barracuda 4TB Internal Hard Drive for Desktops?
The Seagate - Barracuda 4TB Internal Hard Drive for Desktops is currently priced at $0.0275/GB ($109.99 for 4 TB) at Best Buy.
Where can I buy WD - Purple 4TB Surveillance Internal Hard Drive for the cheapest price?
The cheapest price for the WD - Purple 4TB Surveillance Internal Hard Drive is $104.99 at Best Buy, which works out to $0.0262/GB.