The WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) costs $0.0342/GB while the iStorage diskAshur DT2 18TB Secure encrypted desktop hard drive - FIPS Level 3 certified, Password protected, military grade hardware encryption costs $0.0675/GB. WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) offers 49% 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 iStorage diskAshur DT2 18TB Secure encrypted desktop hard drive - FIPS Level 3 certified, Password protected, military grade hardware encryption — 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) | iStorage diskAshur DT2 18TB Secure encrypted desktop hard drive - FIPS Level 3 certified, Password protected, military grade hardware encryption |
|---|---|---|
| Brand | Western Digital | iStorage |
| Capacity | 18TB | 18TB |
| $/GB | $0.0342 | $0.0675 |
| Price | $615.95 | $1214.95 |
| Retailer | Newegg | Newegg |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4)
iStorage diskAshur DT2 18TB Secure encrypted desktop hard drive - FIPS Level 3 certified, Password protected, military grade hardware encryption
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 $0.0342//GB compared to the iStorage diskAshur DT2 18TB Secure encrypted desktop hard drive - FIPS Level 3 certified, Password protected, military grade hardware encryption at $0.0675//GB — that's roughly 49% 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 $615.95 at Newegg, while the iStorage diskAshur DT2 18TB Secure encrypted desktop hard drive - FIPS Level 3 certified, Password protected, military grade hardware encryption starts at $1214.95 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 iStorage diskAshur DT2 18TB Secure encrypted desktop hard drive - FIPS Level 3 certified, Password protected, military grade hardware encryption 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 iStorage diskAshur DT2 18TB Secure encrypted desktop hard drive - FIPS Level 3 certified, Password protected, military grade hardware encryption 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 $0.0342//GB compared to iStorage diskAshur DT2 18TB Secure encrypted desktop hard drive - FIPS Level 3 certified, Password protected, military grade hardware encryption at $0.0675//GB. That is approximately 49% 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 $0.0342/GB ($615.95 for 18TB) at Newegg.
Where can I buy iStorage diskAshur DT2 18TB Secure encrypted desktop hard drive - FIPS Level 3 certified, Password protected, military grade hardware encryption for the cheapest price?
The cheapest price for the iStorage diskAshur DT2 18TB Secure encrypted desktop hard drive - FIPS Level 3 certified, Password protected, military grade hardware encryption is $1214.95 at Newegg, which works out to $0.0675/GB.