The WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black costs $0.0300/GB while the Seagate Exos X18 ST18000NM000J 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive costs $0.0333/GB. WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black offers 10% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black vs Seagate Exos X18 ST18000NM000J 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive — Which Is Better Value?
Specification Comparison
| Spec | WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black | Seagate Exos X18 ST18000NM000J 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive |
|---|---|---|
| Brand | Western Digital | Seagate |
| Capacity | 20TB | 18TB |
| $/GB | $0.0300 | $0.0333 |
| Price | $599.99 | $599.00 |
| 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 WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black offers better value at $0.0300//GB compared to the Seagate Exos X18 ST18000NM000J 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive at $0.0333//GB — that's roughly 10% less per gigabyte.
The best deal for the WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black is $599.99 at Newegg, while the Seagate Exos X18 ST18000NM000J 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive starts at $599.00 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black and Seagate Exos X18 ST18000NM000J 18TB 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 WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black or Seagate Exos X18 ST18000NM000J 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive a better deal?
As of June 2026, WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black offers better value at $0.0300//GB compared to Seagate Exos X18 ST18000NM000J 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive at $0.0333//GB. That is approximately 10% better value per gigabyte.
What is the price per GB of WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black?
The WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black is currently priced at $0.0300/GB ($599.99 for 20TB) at Newegg.
Where can I buy Seagate Exos X18 ST18000NM000J 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive for the cheapest price?
The cheapest price for the Seagate Exos X18 ST18000NM000J 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive is $599.00 at Newegg, which works out to $0.0333/GB.