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 LaCie 2big RAID 16TB USB-C External Hard Drive STHJ16000800 Black costs $0.0625/GB. WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) offers 44% 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 LaCie 2big RAID 16TB USB-C External Hard Drive STHJ16000800 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) | LaCie 2big RAID 16TB USB-C External Hard Drive STHJ16000800 Black |
|---|---|---|
| Brand | Western Digital | LaCie |
| Capacity | 18TB | 16TB |
| $/GB | $0.0353 | $0.0625 |
| Price | $635.07 | $999.99 |
| 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 Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) offers better value at $0.0353//GB compared to the LaCie 2big RAID 16TB USB-C External Hard Drive STHJ16000800 Black at $0.0625//GB — that's roughly 44% less per gigabyte.
The best deal for the WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) is $635.07 at Newegg, while the LaCie 2big RAID 16TB USB-C External Hard Drive STHJ16000800 Black starts at $999.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) and LaCie 2big RAID 16TB USB-C External Hard Drive STHJ16000800 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 LaCie 2big RAID 16TB USB-C External Hard Drive STHJ16000800 Black a better deal?
As of July 2026, WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) offers better value at $0.0353//GB compared to LaCie 2big RAID 16TB USB-C External Hard Drive STHJ16000800 Black at $0.0625//GB. That is approximately 44% 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 LaCie 2big RAID 16TB USB-C External Hard Drive STHJ16000800 Black for the cheapest price?
The cheapest price for the LaCie 2big RAID 16TB USB-C External Hard Drive STHJ16000800 Black is $999.99 at Newegg, which works out to $0.0625/GB.