The WD Purple Pro 22TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD221PURP costs $0.0455/GB while the Novus 20TB External USB-C 7200RPM Rugged Hard Drive costs $0.0309/GB. Novus 20TB External USB-C 7200RPM Rugged Hard Drive offers 32% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD Purple Pro 22TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD221PURP vs Novus 20TB External USB-C 7200RPM Rugged Hard Drive — Which Is Better Value?
Specification Comparison
| Spec | WD Purple Pro 22TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD221PURP | Novus 20TB External USB-C 7200RPM Rugged Hard Drive |
|---|---|---|
| Brand | Western Digital | Novus |
| Capacity | 22TB | 20TB |
| $/GB | $0.0455 | $0.0309 |
| Price | $999.99 | $619.00 |
| 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 Novus 20TB External USB-C 7200RPM Rugged Hard Drive offers better value at $0.0309//GB compared to the WD Purple Pro 22TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD221PURP at $0.0455//GB — that's roughly 32% less per gigabyte.
The best deal for the Novus 20TB External USB-C 7200RPM Rugged Hard Drive is $619.00 at Newegg, while the WD Purple Pro 22TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD221PURP 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 Purple Pro 22TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD221PURP and Novus 20TB External USB-C 7200RPM Rugged Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is WD Purple Pro 22TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD221PURP or Novus 20TB External USB-C 7200RPM Rugged Hard Drive a better deal?
As of July 2026, Novus 20TB External USB-C 7200RPM Rugged Hard Drive offers better value at $0.0309//GB compared to WD Purple Pro 22TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD221PURP at $0.0455//GB. That is approximately 32% better value per gigabyte.
What is the price per GB of WD Purple Pro 22TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD221PURP?
The WD Purple Pro 22TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD221PURP is currently priced at $0.0455/GB ($999.99 for 22TB) at Newegg.
Where can I buy Novus 20TB External USB-C 7200RPM Rugged Hard Drive for the cheapest price?
The cheapest price for the Novus 20TB External USB-C 7200RPM Rugged Hard Drive is $619.00 at Newegg, which works out to $0.0309/GB.