The Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) costs $0.0370/GB while the Glyph BlackBox Pro External Hard Drive 7200 RPM, USB-C (3.1,Gen2) (20TB) costs $0.0450/GB. Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) offers 18% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) vs Glyph BlackBox Pro External Hard Drive 7200 RPM, USB-C (3.1,Gen2) (20TB) — Which Is Better Value?
Glyph BlackBox Pro External Hard Drive 7200 RPM, USB-C (3.1,Gen2) (20TB)
Specification Comparison
| Spec | Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) | Glyph BlackBox Pro External Hard Drive 7200 RPM, USB-C (3.1,Gen2) (20TB) |
|---|---|---|
| Brand | Synology | Glyph Production Technologies |
| Capacity | 20TB | 20 TB |
| $/GB | $0.0370 | $0.0450 |
| Price | $739.99 | $899.99 |
| Retailer | Newegg | Amazon |
| 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 Glyph BlackBox Pro External Hard Drive 7200 RPM, USB-C (3.1,Gen2) (20TB) at $0.0450//GB — that's roughly 18% 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 Glyph BlackBox Pro External Hard Drive 7200 RPM, USB-C (3.1,Gen2) (20TB) starts at $899.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) and Glyph BlackBox Pro External Hard Drive 7200 RPM, USB-C (3.1,Gen2) (20TB) product page for detailed specifications and price history.
Frequently Asked Questions
Is Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) or Glyph BlackBox Pro External Hard Drive 7200 RPM, USB-C (3.1,Gen2) (20TB) a better deal?
As of July 2026, Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) offers better value at $0.0370//GB compared to Glyph BlackBox Pro External Hard Drive 7200 RPM, USB-C (3.1,Gen2) (20TB) at $0.0450//GB. That is approximately 18% better value per gigabyte.
What is the price per GB of Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T)?
The Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T) is currently priced at $0.0370/GB ($739.99 for 20TB) at Newegg.
Where can I buy Glyph BlackBox Pro External Hard Drive 7200 RPM, USB-C (3.1,Gen2) (20TB) for the cheapest price?
The cheapest price for the Glyph BlackBox Pro External Hard Drive 7200 RPM, USB-C (3.1,Gen2) (20TB) is $899.99 at Amazon, which works out to $0.0450/GB.