The Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 costs $0.0495/GB while the WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black costs $0.0365/GB. WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black offers 26% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 vs WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black — Which Is Better Value?
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Specification Comparison
| Spec | Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 | WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 20TB | 20TB |
| $/GB | $0.0495 | $0.0365 |
| Price | $989.99 | $729.00 |
| Retailer | Newegg | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000
Which Should You Buy?
Based on current pricing data, the WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black offers better value at $0.0365//GB compared to the Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 at $0.0495//GB — that's roughly 26% less per gigabyte.
The best deal for the WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black is $729.00 at Newegg, while the Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 starts at $989.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 and WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 or WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black a better deal?
As of September 2026, WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black offers better value at $0.0365//GB compared to Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 at $0.0495//GB. That is approximately 26% better value per gigabyte.
What is the price per GB of Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000?
The Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000 is currently priced at $0.0495/GB ($989.99 for 20TB) at Newegg.
Where can I buy WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black for the cheapest price?
The cheapest price for the WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black is $729.00 at Newegg, which works out to $0.0365/GB.