The Western Digital 1TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5' - WD11PURZ costs $0.1400/GB while the HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive costs $0.0333/GB. HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive offers 76% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Western Digital 1TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5' - WD11PURZ vs HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive — Which Is Better Value?
Specification Comparison
| Spec | Western Digital 1TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5' - WD11PURZ | HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive |
|---|---|---|
| Brand | Western Digital | HGST |
| Capacity | 1TB | 3TB |
| $/GB | $0.1400 | $0.0333 |
| Price | $139.99 | $100.00 |
| 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 HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive offers better value at $0.0333//GB compared to the Western Digital 1TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5' - WD11PURZ at $0.1400//GB — that's roughly 76% less per gigabyte.
The best deal for the HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive is $100.00 at Newegg, while the Western Digital 1TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5' - WD11PURZ starts at $139.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Western Digital 1TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5' - WD11PURZ and HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is Western Digital 1TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5' - WD11PURZ or HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive a better deal?
As of June 2026, HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive offers better value at $0.0333//GB compared to Western Digital 1TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5' - WD11PURZ at $0.1400//GB. That is approximately 76% better value per gigabyte.
What is the price per GB of Western Digital 1TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5' - WD11PURZ?
The Western Digital 1TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5' - WD11PURZ is currently priced at $0.1400/GB ($139.99 for 1TB) at Newegg.
Where can I buy HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive for the cheapest price?
The cheapest price for the HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive is $100.00 at Newegg, which works out to $0.0333/GB.