The Synology HAT5310-20T 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Enterprise 3.5' SATA HDD costs $0.0575/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 37% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Synology HAT5310-20T 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Enterprise 3.5' SATA HDD vs Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive — Which Is Better Value?
Specification Comparison
| Spec | Synology HAT5310-20T 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Enterprise 3.5' SATA HDD | Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive |
|---|---|---|
| Brand | Synology | Seagate |
| Capacity | 20TB | 20TB |
| $/GB | $0.0575 | $0.0360 |
| Price | $1149.99 | $719.99 |
| 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 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 Synology HAT5310-20T 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Enterprise 3.5' SATA HDD at $0.0575//GB — that's roughly 37% 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 Synology HAT5310-20T 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Enterprise 3.5' SATA HDD starts at $1149.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Synology HAT5310-20T 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Enterprise 3.5' SATA HDD 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 Synology HAT5310-20T 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Enterprise 3.5' SATA HDD or Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive a better deal?
As of July 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 Synology HAT5310-20T 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Enterprise 3.5' SATA HDD at $0.0575//GB. That is approximately 37% better value per gigabyte.
What is the price per GB of Synology HAT5310-20T 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Enterprise 3.5' SATA HDD?
The Synology HAT5310-20T 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Enterprise 3.5' SATA HDD is currently priced at $0.0575/GB ($1149.99 for 20TB) 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.