The SanDisk Sandisk Extreme - Flash Memory Card - 32 GB - Microsdhc UHS-I - Gold, Red costs $0.4672/GB while the Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ costs $0.0324/GB. Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ offers 93% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk Sandisk Extreme - Flash Memory Card - 32 GB - Microsdhc UHS-I - Gold, Red vs Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ — Which Is Better Value?
Specification Comparison
| Spec | SanDisk Sandisk Extreme - Flash Memory Card - 32 GB - Microsdhc UHS-I - Gold, Red | Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ |
|---|---|---|
| Brand | SanDisk | Western Digital |
| Capacity | 32GB | 4 TB |
| $/GB | $0.4672 | $0.0324 |
| Price | $14.95 | $129.77 |
| Retailer | Newegg | Amazon |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ offers better value at $0.0324//GB compared to the SanDisk Sandisk Extreme - Flash Memory Card - 32 GB - Microsdhc UHS-I - Gold, Red at $0.4672//GB — that's roughly 93% less per gigabyte.
The best deal for the Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ is $129.77 at Amazon, while the SanDisk Sandisk Extreme - Flash Memory Card - 32 GB - Microsdhc UHS-I - Gold, Red starts at $14.95 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk Sandisk Extreme - Flash Memory Card - 32 GB - Microsdhc UHS-I - Gold, Red and Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk Sandisk Extreme - Flash Memory Card - 32 GB - Microsdhc UHS-I - Gold, Red or Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ a better deal?
As of May 2026, Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ offers better value at $0.0324//GB compared to SanDisk Sandisk Extreme - Flash Memory Card - 32 GB - Microsdhc UHS-I - Gold, Red at $0.4672//GB. That is approximately 93% better value per gigabyte.
What is the price per GB of SanDisk Sandisk Extreme - Flash Memory Card - 32 GB - Microsdhc UHS-I - Gold, Red?
The SanDisk Sandisk Extreme - Flash Memory Card - 32 GB - Microsdhc UHS-I - Gold, Red is currently priced at $0.4672/GB ($14.95 for 32GB) at Newegg.
Where can I buy Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ for the cheapest price?
The cheapest price for the Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ is $129.77 at Amazon, which works out to $0.0324/GB.