The Seagate LaCie 2big Dock 20TB External HDD - Thunderbolt and USB4 Compatibility, Data Recovery (STLG20000400) costs $0.0697/GB while the Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) costs $0.0370/GB. Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) offers 47% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate LaCie 2big Dock 20TB External HDD - Thunderbolt and USB4 Compatibility, Data Recovery (STLG20000400) vs Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) — Which Is Better Value?
Specification Comparison
| Spec | Seagate LaCie 2big Dock 20TB External HDD - Thunderbolt and USB4 Compatibility, Data Recovery (STLG20000400) | Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) |
|---|---|---|
| Brand | Seagate | Synology |
| Capacity | 20 TB | 20TB |
| $/GB | $0.0697 | $0.0370 |
| Price | $1393.00 | $739.99 |
| Retailer | Amazon | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) offers better value at $0.0370//GB compared to the Seagate LaCie 2big Dock 20TB External HDD - Thunderbolt and USB4 Compatibility, Data Recovery (STLG20000400) at $0.0697//GB — that's roughly 47% less per gigabyte.
The best deal for the Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) is $739.99 at Newegg, while the Seagate LaCie 2big Dock 20TB External HDD - Thunderbolt and USB4 Compatibility, Data Recovery (STLG20000400) starts at $1393.00 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate LaCie 2big Dock 20TB External HDD - Thunderbolt and USB4 Compatibility, Data Recovery (STLG20000400) and Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate LaCie 2big Dock 20TB External HDD - Thunderbolt and USB4 Compatibility, Data Recovery (STLG20000400) or Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) a better deal?
As of August 2026, Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) offers better value at $0.0370//GB compared to Seagate LaCie 2big Dock 20TB External HDD - Thunderbolt and USB4 Compatibility, Data Recovery (STLG20000400) at $0.0697//GB. That is approximately 47% better value per gigabyte.
What is the price per GB of Seagate LaCie 2big Dock 20TB External HDD - Thunderbolt and USB4 Compatibility, Data Recovery (STLG20000400)?
The Seagate LaCie 2big Dock 20TB External HDD - Thunderbolt and USB4 Compatibility, Data Recovery (STLG20000400) is currently priced at $0.0697/GB ($1393.00 for 20 TB) at Amazon.
Where can I buy Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) for the cheapest price?
The cheapest price for the Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) is $739.99 at Newegg, which works out to $0.0370/GB.