The WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) costs $0.0353/GB while the WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black costs $0.0342/GB. WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black offers 3% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) vs WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black — Which Is Better Value?
Specification Comparison
| Spec | WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) | WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black |
|---|---|---|
| Brand | Western Digital | Western Digital |
| Capacity | 18TB | 18TB |
| $/GB | $0.0353 | $0.0342 |
| Price | $635.07 | $614.99 |
| 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 WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black offers better value at $0.0342//GB compared to the WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) at $0.0353//GB — that's roughly 3% less per gigabyte.
The best deal for the WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black is $614.99 at Newegg, while the WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) starts at $635.07 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 Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) and WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black product page for detailed specifications and price history.
Frequently Asked Questions
Is WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) or WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black a better deal?
As of July 2026, WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black offers better value at $0.0342//GB compared to WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) at $0.0353//GB. That is approximately 3% better value per gigabyte.
What is the price per GB of WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4)?
The WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) is currently priced at $0.0353/GB ($635.07 for 18TB) at Newegg.
Where can I buy WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black for the cheapest price?
The cheapest price for the WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black is $614.99 at Newegg, which works out to $0.0342/GB.