The ADATA 2TB HD720 Waterproof / Dustproof / Shockproof External Hard Drive USB 3.0 Model AHD720-2TU3-CBL Blue costs $0.0675/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 51% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
ADATA 2TB HD720 Waterproof / Dustproof / Shockproof External Hard Drive USB 3.0 Model AHD720-2TU3-CBL Blue vs HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive — Which Is Better Value?
Specification Comparison
| Spec | ADATA 2TB HD720 Waterproof / Dustproof / Shockproof External Hard Drive USB 3.0 Model AHD720-2TU3-CBL Blue | HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive |
|---|---|---|
| Brand | ADATA | HGST |
| Capacity | 2TB | 3TB |
| $/GB | $0.0675 | $0.0333 |
| Price | $135.00 | $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 ADATA 2TB HD720 Waterproof / Dustproof / Shockproof External Hard Drive USB 3.0 Model AHD720-2TU3-CBL Blue at $0.0675//GB — that's roughly 51% 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 ADATA 2TB HD720 Waterproof / Dustproof / Shockproof External Hard Drive USB 3.0 Model AHD720-2TU3-CBL Blue starts at $135.00 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each ADATA 2TB HD720 Waterproof / Dustproof / Shockproof External Hard Drive USB 3.0 Model AHD720-2TU3-CBL Blue 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 ADATA 2TB HD720 Waterproof / Dustproof / Shockproof External Hard Drive USB 3.0 Model AHD720-2TU3-CBL Blue or HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive a better deal?
As of July 2026, HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive offers better value at $0.0333//GB compared to ADATA 2TB HD720 Waterproof / Dustproof / Shockproof External Hard Drive USB 3.0 Model AHD720-2TU3-CBL Blue at $0.0675//GB. That is approximately 51% better value per gigabyte.
What is the price per GB of ADATA 2TB HD720 Waterproof / Dustproof / Shockproof External Hard Drive USB 3.0 Model AHD720-2TU3-CBL Blue?
The ADATA 2TB HD720 Waterproof / Dustproof / Shockproof External Hard Drive USB 3.0 Model AHD720-2TU3-CBL Blue is currently priced at $0.0675/GB ($135.00 for 2TB) 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.