The SanDisk Professional 22TB G-DRIVE PROJECT Thunderbolt 3 External Hard Drive costs $0.0620/GB while the Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive costs $0.0360/GB. Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers 42% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk Professional 22TB G-DRIVE PROJECT Thunderbolt 3 External Hard Drive vs Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive — Which Is Better Value?
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Specification Comparison
| Spec | SanDisk Professional 22TB G-DRIVE PROJECT Thunderbolt 3 External Hard Drive | Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive |
|---|---|---|
| Brand | SanDisk | Seagate |
| Capacity | 22TB | 20TB |
| $/GB | $0.0620 | $0.0360 |
| Price | $1364.99 | $719.99 |
| Retailer | Newegg | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
SanDisk Professional 22TB G-DRIVE PROJECT Thunderbolt 3 External Hard Drive
Which Should You Buy?
Based on current pricing data, the Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers better value at $0.0360//GB compared to the SanDisk Professional 22TB G-DRIVE PROJECT Thunderbolt 3 External Hard Drive at $0.0620//GB — that's roughly 42% less per gigabyte.
The best deal for the Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is $719.99 at Newegg, while the SanDisk Professional 22TB G-DRIVE PROJECT Thunderbolt 3 External Hard Drive starts at $1364.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk Professional 22TB G-DRIVE PROJECT Thunderbolt 3 External Hard Drive and Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk Professional 22TB G-DRIVE PROJECT Thunderbolt 3 External Hard Drive or Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive a better deal?
As of August 2026, Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive offers better value at $0.0360//GB compared to SanDisk Professional 22TB G-DRIVE PROJECT Thunderbolt 3 External Hard Drive at $0.0620//GB. That is approximately 42% better value per gigabyte.
What is the price per GB of SanDisk Professional 22TB G-DRIVE PROJECT Thunderbolt 3 External Hard Drive?
The SanDisk Professional 22TB G-DRIVE PROJECT Thunderbolt 3 External Hard Drive is currently priced at $0.0620/GB ($1364.99 for 22TB) at Newegg.
Where can I buy Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive for the cheapest price?
The cheapest price for the Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is $719.99 at Newegg, which works out to $0.0360/GB.