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 while the SANDISK - 512GB microSDXC UHS-I Memory Card for Nintendo Switch 1 costs $0.2929/GB. Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ offers 89% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ vs SANDISK - 512GB microSDXC UHS-I Memory Card for Nintendo Switch 1 — Which Is Better Value?
Specification Comparison
| Spec | Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ | SANDISK - 512GB microSDXC UHS-I Memory Card for Nintendo Switch 1 |
|---|---|---|
| Brand | Western Digital | SanDisk |
| Capacity | 4 TB | 512 GB |
| $/GB | $0.0324 | $0.2929 |
| Price | $129.77 | $149.99 |
| Retailer | Amazon | Best Buy |
| Category | Hard Drives (HDD) | Hard Drives (HDD) |
| Subcategory | hdd | micro-sd |
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 - 512GB microSDXC UHS-I Memory Card for Nintendo Switch 1 at $0.2929//GB — that's roughly 89% 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 - 512GB microSDXC UHS-I Memory Card for Nintendo Switch 1 starts at $149.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ and SANDISK - 512GB microSDXC UHS-I Memory Card for Nintendo Switch 1 product page for detailed specifications and price history.
Frequently Asked Questions
Is Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ or SANDISK - 512GB microSDXC UHS-I Memory Card for Nintendo Switch 1 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 - 512GB microSDXC UHS-I Memory Card for Nintendo Switch 1 at $0.2929//GB. That is approximately 89% better value per gigabyte.
What is the price per GB of Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ?
The Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD43PURZ is currently priced at $0.0324/GB ($129.77 for 4 TB) at Amazon.
Where can I buy SANDISK - 512GB microSDXC UHS-I Memory Card for Nintendo Switch 1 for the cheapest price?
The cheapest price for the SANDISK - 512GB microSDXC UHS-I Memory Card for Nintendo Switch 1 is $149.99 at Best Buy, which works out to $0.2929/GB.