The WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black costs $0.0455/GB while the WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) costs $0.0318/GB. WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) offers 30% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black vs WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) — Which Is Better Value?
WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black
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Specification Comparison
| Spec | WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black | WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) |
|---|---|---|
| Brand | Western Digital | Western Digital |
| Capacity | 22TB | 18TB |
| $/GB | $0.0455 | $0.0318 |
| Price | $999.99 | $573.07 |
| 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 $0.0318//GB compared to the WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black at $0.0455//GB — that's roughly 30% 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 $573.07 at Newegg, while the WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive 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 My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black and WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) product page for detailed specifications and price history.
Frequently Asked Questions
Is WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black or WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) a better deal?
As of September 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 $0.0318//GB compared to WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black at $0.0455//GB. That is approximately 30% better value per gigabyte.
What is the price per GB of WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black?
The WD My Book 22TB USB 3.0, Micro-B External Desktop Hard Drive Black is currently priced at $0.0455/GB ($999.99 for 22TB) at Newegg.
Where can I buy WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) for the cheapest price?
The cheapest price for the WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4) is $573.07 at Newegg, which works out to $0.0318/GB.