The WD 44TB My Book Duo Desktop RAID External Hard Drive HDD, USB 3.1, With Password Protection and Auto Backup Software - WDBFBE0440JBK-NESN costs $0.0357/GB while the Seagate Exos X18 ST18000NM001J 18 TB Hard Drive - Internal - SATA (SATA-600) costs $0.0289/GB. Seagate Exos X18 ST18000NM001J 18 TB Hard Drive - Internal - SATA (SATA-600) offers 19% better value per gigabyte as of April 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD 44TB My Book Duo Desktop RAID External Hard Drive HDD, USB 3.1, With Password Protection and Auto Backup Software - WDBFBE0440JBK-NESN vs Seagate Exos X18 ST18000NM001J 18 TB Hard Drive - Internal - SATA (SATA-600) — Which Is Better Value?
Specification Comparison
| Spec | WD 44TB My Book Duo Desktop RAID External Hard Drive HDD, USB 3.1, With Password Protection and Auto Backup Software - WDBFBE0440JBK-NESN | Seagate Exos X18 ST18000NM001J 18 TB Hard Drive - Internal - SATA (SATA-600) |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 44 TB | 18TB |
| $/GB | $0.0357 | $0.0289 |
| Price | $1569.99 | $520.00 |
| Retailer | Amazon | Newegg |
| Category | Hard Drives & SSDs | Hard Drives & SSDs |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Seagate Exos X18 ST18000NM001J 18 TB Hard Drive - Internal - SATA (SATA-600) offers better value at $0.0289//GB compared to the WD 44TB My Book Duo Desktop RAID External Hard Drive HDD, USB 3.1, With Password Protection and Auto Backup Software - WDBFBE0440JBK-NESN at $0.0357//GB — that's roughly 19% less per gigabyte.
The best deal for the Seagate Exos X18 ST18000NM001J 18 TB Hard Drive - Internal - SATA (SATA-600) is $520.00 at Newegg, while the WD 44TB My Book Duo Desktop RAID External Hard Drive HDD, USB 3.1, With Password Protection and Auto Backup Software - WDBFBE0440JBK-NESN starts at $1569.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD 44TB My Book Duo Desktop RAID External Hard Drive HDD, USB 3.1, With Password Protection and Auto Backup Software - WDBFBE0440JBK-NESN and Seagate Exos X18 ST18000NM001J 18 TB Hard Drive - Internal - SATA (SATA-600) product page for detailed specifications and price history.
Frequently Asked Questions
Is WD 44TB My Book Duo Desktop RAID External Hard Drive HDD, USB 3.1, With Password Protection and Auto Backup Software - WDBFBE0440JBK-NESN or Seagate Exos X18 ST18000NM001J 18 TB Hard Drive - Internal - SATA (SATA-600) a better deal?
As of April 2026, Seagate Exos X18 ST18000NM001J 18 TB Hard Drive - Internal - SATA (SATA-600) offers better value at $0.0289//GB compared to WD 44TB My Book Duo Desktop RAID External Hard Drive HDD, USB 3.1, With Password Protection and Auto Backup Software - WDBFBE0440JBK-NESN at $0.0357//GB. That is approximately 19% better value per gigabyte.
What is the price per GB of WD 44TB My Book Duo Desktop RAID External Hard Drive HDD, USB 3.1, With Password Protection and Auto Backup Software - WDBFBE0440JBK-NESN?
The WD 44TB My Book Duo Desktop RAID External Hard Drive HDD, USB 3.1, With Password Protection and Auto Backup Software - WDBFBE0440JBK-NESN is currently priced at $0.0357/GB ($1569.99 for 44 TB) at Amazon.
Where can I buy Seagate Exos X18 ST18000NM001J 18 TB Hard Drive - Internal - SATA (SATA-600) for the cheapest price?
The cheapest price for the Seagate Exos X18 ST18000NM001J 18 TB Hard Drive - Internal - SATA (SATA-600) is $520.00 at Newegg, which works out to $0.0289/GB.