The ADATA HD710 Pro, External Hard Drive, Blue, 2TB costs $0.0316/GB while the Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD23PURZ costs $0.0775/GB. ADATA HD710 Pro, External Hard Drive, Blue, 2TB offers 59% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
ADATA HD710 Pro, External Hard Drive, Blue, 2TB vs Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD23PURZ — Which Is Better Value?
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Specification Comparison
| Spec | ADATA HD710 Pro, External Hard Drive, Blue, 2TB | Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD23PURZ |
|---|---|---|
| Brand | ADATA | Western Digital |
| Capacity | 2 TB | 2 TB |
| $/GB | $0.0316 | $0.0775 |
| Price | $63.27 | $154.99 |
| Retailer | Amazon | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the ADATA HD710 Pro, External Hard Drive, Blue, 2TB offers better value at $0.0316//GB compared to the Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD23PURZ at $0.0775//GB — that's roughly 59% less per gigabyte.
The best deal for the ADATA HD710 Pro, External Hard Drive, Blue, 2TB is $63.27 at Amazon, while the Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD23PURZ starts at $154.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each ADATA HD710 Pro, External Hard Drive, Blue, 2TB and Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD23PURZ product page for detailed specifications and price history.
Frequently Asked Questions
Is ADATA HD710 Pro, External Hard Drive, Blue, 2TB or Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD23PURZ a better deal?
As of August 2026, ADATA HD710 Pro, External Hard Drive, Blue, 2TB offers better value at $0.0316//GB compared to Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD23PURZ at $0.0775//GB. That is approximately 59% better value per gigabyte.
What is the price per GB of ADATA HD710 Pro, External Hard Drive, Blue, 2TB?
The ADATA HD710 Pro, External Hard Drive, Blue, 2TB is currently priced at $0.0316/GB ($63.27 for 2 TB) at Amazon.
Where can I buy Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD23PURZ for the cheapest price?
The cheapest price for the Western Digital 2TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD23PURZ is $154.99 at Amazon, which works out to $0.0775/GB.