The Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) costs $0.0279/GB while the WD My Book 24TB Desktop Hard Drive WDBBGB0240HBK-NESN Black costs $0.0454/GB. Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) offers 38% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) vs WD My Book 24TB Desktop Hard Drive WDBBGB0240HBK-NESN Black — Which Is Better Value?
WD My Book 24TB Desktop Hard Drive WDBBGB0240HBK-NESN Black
Specification Comparison
| Spec | Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) | WD My Book 24TB Desktop Hard Drive WDBBGB0240HBK-NESN Black |
|---|---|---|
| Brand | Seagate | Western Digital |
| Capacity | 20TB | 24TB |
| $/GB | $0.0279 | $0.0454 |
| Price | $559.00 | $1089.99 |
| 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 Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) offers better value at $0.0279//GB compared to the WD My Book 24TB Desktop Hard Drive WDBBGB0240HBK-NESN Black at $0.0454//GB — that's roughly 38% less per gigabyte.
The best deal for the Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) is $559.00 at Newegg, while the WD My Book 24TB Desktop Hard Drive WDBBGB0240HBK-NESN Black starts at $1089.99 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 Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) and WD My Book 24TB Desktop Hard Drive WDBBGB0240HBK-NESN Black product page for detailed specifications and price history.
Frequently Asked Questions
Is Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) or WD My Book 24TB Desktop Hard Drive WDBBGB0240HBK-NESN Black a better deal?
As of July 2026, Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) offers better value at $0.0279//GB compared to WD My Book 24TB Desktop Hard Drive WDBBGB0240HBK-NESN Black at $0.0454//GB. That is approximately 38% better value per gigabyte.
What is the price per GB of Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR)?
The Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR) is currently priced at $0.0279/GB ($559.00 for 20TB) at Newegg.
Where can I buy WD My Book 24TB Desktop Hard Drive WDBBGB0240HBK-NESN Black for the cheapest price?
The cheapest price for the WD My Book 24TB Desktop Hard Drive WDBBGB0240HBK-NESN Black is $1089.99 at Newegg, which works out to $0.0454/GB.