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 Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA costs $0.0478/GB. WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) offers 28% better value per gigabyte as of August 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 Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA — Which Is Better Value?
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Specification Comparison
| Spec | WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) | Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA |
|---|---|---|
| Brand | Western Digital | Western Digital |
| Capacity | 18TB | 20TB |
| $/GB | $0.0342 | $0.0478 |
| Price | $615.95 | $955.81 |
| 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 $0.0342//GB compared to the Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA at $0.0478//GB — that's roughly 28% 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 Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA starts at $955.81 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 Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA 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 Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA a better deal?
As of August 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 Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA at $0.0478//GB. That is approximately 28% 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 Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA for the cheapest price?
The cheapest price for the Western Digital Ultrastar DC HC560 0F38785 20 TB Hard Drive 3.5' Internal SATA is $955.81 at Newegg, which works out to $0.0478/GB.