The HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive costs $0.0333/GB while the HP Midline 507750-B21 500GB 7200 RPM SATA 3.0Gb/s 2.5' Internal Hard Drive costs $0.2405/GB. HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive offers 86% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive vs HP Midline 507750-B21 500GB 7200 RPM SATA 3.0Gb/s 2.5' Internal Hard Drive — Which Is Better Value?
Specification Comparison
| Spec | HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive | HP Midline 507750-B21 500GB 7200 RPM SATA 3.0Gb/s 2.5' Internal Hard Drive |
|---|---|---|
| Brand | HGST | HP |
| Capacity | 3TB | 500GB |
| $/GB | $0.0333 | $0.2405 |
| Price | $100.00 | $120.25 |
| 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 HP Midline 507750-B21 500GB 7200 RPM SATA 3.0Gb/s 2.5' Internal Hard Drive at $0.2405//GB — that's roughly 86% 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 HP Midline 507750-B21 500GB 7200 RPM SATA 3.0Gb/s 2.5' Internal Hard Drive starts at $120.25 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive and HP Midline 507750-B21 500GB 7200 RPM SATA 3.0Gb/s 2.5' Internal Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive or HP Midline 507750-B21 500GB 7200 RPM SATA 3.0Gb/s 2.5' Internal 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 HP Midline 507750-B21 500GB 7200 RPM SATA 3.0Gb/s 2.5' Internal Hard Drive at $0.2405//GB. That is approximately 86% better value per gigabyte.
What is the price per GB of HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive?
The HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive is currently priced at $0.0333/GB ($100.00 for 3TB) at Newegg.
Where can I buy HP Midline 507750-B21 500GB 7200 RPM SATA 3.0Gb/s 2.5' Internal Hard Drive for the cheapest price?
The cheapest price for the HP Midline 507750-B21 500GB 7200 RPM SATA 3.0Gb/s 2.5' Internal Hard Drive is $120.25 at Newegg, which works out to $0.2405/GB.