The Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA costs $0.0478/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 25% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA 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 | Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA | Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 20TB | 20TB |
| $/GB | $0.0478 | $0.0360 |
| Price | $955.80 | $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 Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA at $0.0478//GB — that's roughly 25% 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 Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA starts at $955.80 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA 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 Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA 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 Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA at $0.0478//GB. That is approximately 25% better value per gigabyte.
What is the price per GB of Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA?
The Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA is currently priced at $0.0478/GB ($955.80 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.