The Seagate Exos M ST30000NM004K 30TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive costs $0.0392/GB while the Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black costs $0.0315/GB. Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black offers 20% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate Exos M ST30000NM004K 30TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive vs Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black — Which Is Better Value?
Specification Comparison
| Spec | Seagate Exos M ST30000NM004K 30TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive | Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 30TB | 20 TB |
| $/GB | $0.0392 | $0.0315 |
| Price | $1175.00 | $629.99 |
| 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 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black offers better value at $0.0315//GB compared to the Seagate Exos M ST30000NM004K 30TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive at $0.0392//GB — that's roughly 20% less per gigabyte.
The best deal for the Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black is $629.99 at Best Buy, while the Seagate Exos M ST30000NM004K 30TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive starts at $1175.00 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 Exos M ST30000NM004K 30TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive and Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate Exos M ST30000NM004K 30TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive or Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black a better deal?
As of June 2026, Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black offers better value at $0.0315//GB compared to Seagate Exos M ST30000NM004K 30TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive at $0.0392//GB. That is approximately 20% better value per gigabyte.
What is the price per GB of Seagate Exos M ST30000NM004K 30TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive?
The Seagate Exos M ST30000NM004K 30TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive is currently priced at $0.0392/GB ($1175.00 for 30TB) at Newegg.
Where can I buy Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black for the cheapest price?
The cheapest price for the Seagate - Expansion 20TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black is $629.99 at Best Buy, which works out to $0.0315/GB.