The Seagate - Expansion Desktop 8TB HDD - Black costs $0.0350/GB while the 400-ASSX 8TB 7.2K SATA 3.5 6Gb/s HARD DRIVE REPLACEMENT KIT costs $0.0625/GB. Seagate - Expansion Desktop 8TB HDD - Black offers 44% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate - Expansion Desktop 8TB HDD - Black vs 400-ASSX 8TB 7.2K SATA 3.5 6Gb/s HARD DRIVE REPLACEMENT KIT — Which Is Better Value?
Seagate - Expansion Desktop 8TB HDD - Black
Specification Comparison
| Spec | Seagate - Expansion Desktop 8TB HDD - Black | 400-ASSX 8TB 7.2K SATA 3.5 6Gb/s HARD DRIVE REPLACEMENT KIT |
|---|---|---|
| Brand | Seagate | 400-ASSX |
| Capacity | 8 TB | 8TB |
| $/GB | $0.0350 | $0.0625 |
| Price | $279.99 | $500.00 |
| Retailer | Best Buy | 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 - Expansion Desktop 8TB HDD - Black offers better value at $0.0350//GB compared to the 400-ASSX 8TB 7.2K SATA 3.5 6Gb/s HARD DRIVE REPLACEMENT KIT at $0.0625//GB — that's roughly 44% less per gigabyte.
The best deal for the Seagate - Expansion Desktop 8TB HDD - Black is $279.99 at Best Buy, while the 400-ASSX 8TB 7.2K SATA 3.5 6Gb/s HARD DRIVE REPLACEMENT KIT starts at $500.00 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate - Expansion Desktop 8TB HDD - Black and 400-ASSX 8TB 7.2K SATA 3.5 6Gb/s HARD DRIVE REPLACEMENT KIT product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate - Expansion Desktop 8TB HDD - Black or 400-ASSX 8TB 7.2K SATA 3.5 6Gb/s HARD DRIVE REPLACEMENT KIT a better deal?
As of July 2026, Seagate - Expansion Desktop 8TB HDD - Black offers better value at $0.0350//GB compared to 400-ASSX 8TB 7.2K SATA 3.5 6Gb/s HARD DRIVE REPLACEMENT KIT at $0.0625//GB. That is approximately 44% better value per gigabyte.
What is the price per GB of Seagate - Expansion Desktop 8TB HDD - Black?
The Seagate - Expansion Desktop 8TB HDD - Black is currently priced at $0.0350/GB ($279.99 for 8 TB) at Best Buy.
Where can I buy 400-ASSX 8TB 7.2K SATA 3.5 6Gb/s HARD DRIVE REPLACEMENT KIT for the cheapest price?
The cheapest price for the 400-ASSX 8TB 7.2K SATA 3.5 6Gb/s HARD DRIVE REPLACEMENT KIT is $500.00 at Newegg, which works out to $0.0625/GB.