The Seagate Exos M ST30000NM004K 30TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive costs $0.0655/GB while the Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) costs $0.0279/GB. Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) offers 57% better value per gigabyte as of August 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 Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) — Which Is Better Value?
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Specification Comparison
| Spec | Seagate Exos M ST30000NM004K 30TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive | Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) |
|---|---|---|
| Brand | Seagate | Seagate |
| Capacity | 30TB | 20TB |
| $/GB | $0.0655 | $0.0279 |
| Price | $1964.98 | $559.00 |
| 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 Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) offers better value at $0.0279//GB compared to the Seagate Exos M ST30000NM004K 30TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive at $0.0655//GB — that's roughly 57% less per gigabyte.
The best deal for the Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) is $559.00 at Newegg, while the Seagate Exos M ST30000NM004K 30TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive starts at $1964.98 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 Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) 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 Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) a better deal?
As of August 2026, Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) offers better value at $0.0279//GB compared to Seagate Exos M ST30000NM004K 30TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive at $0.0655//GB. That is approximately 57% 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 $0.0655/GB ($1964.98 for 30TB) at Newegg.
Where can I buy Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) for the cheapest price?
The cheapest price for the Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) is $559.00 at Newegg, which works out to $0.0279/GB.