The WD Blue WD100EAGZ 10TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive costs $0.0478/GB while the Seagate - Expansion Desktop 8TB HDD - Black costs $0.0350/GB. Seagate - Expansion Desktop 8TB HDD - Black offers 27% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Blue WD100EAGZ 10TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive vs Seagate - Expansion Desktop 8TB HDD - Black — Which Is Better Value?
Seagate - Expansion Desktop 8TB HDD - Black
Specification Comparison
| Spec | WD Blue WD100EAGZ 10TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive | Seagate - Expansion Desktop 8TB HDD - Black |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 10TB | 8 TB |
| $/GB | $0.0478 | $0.0350 |
| Price | $477.54 | $279.99 |
| Retailer | Newegg | Best Buy |
| 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 WD Blue WD100EAGZ 10TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive at $0.0478//GB — that's roughly 27% less per gigabyte.
The best deal for the Seagate - Expansion Desktop 8TB HDD - Black is $279.99 at Best Buy, while the WD Blue WD100EAGZ 10TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive starts at $477.54 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD Blue WD100EAGZ 10TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive and Seagate - Expansion Desktop 8TB HDD - Black product page for detailed specifications and price history.
Frequently Asked Questions
Is WD Blue WD100EAGZ 10TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive or Seagate - Expansion Desktop 8TB HDD - Black a better deal?
As of July 2026, Seagate - Expansion Desktop 8TB HDD - Black offers better value at $0.0350//GB compared to WD Blue WD100EAGZ 10TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive at $0.0478//GB. That is approximately 27% better value per gigabyte.
What is the price per GB of WD Blue WD100EAGZ 10TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive?
The WD Blue WD100EAGZ 10TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is currently priced at $0.0478/GB ($477.54 for 10TB) at Newegg.
Where can I buy Seagate - Expansion Desktop 8TB HDD - Black for the cheapest price?
The cheapest price for the Seagate - Expansion Desktop 8TB HDD - Black is $279.99 at Best Buy, which works out to $0.0350/GB.