The SanDisk - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed costs $1.1896/GB while the WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty costs $0.0325/GB. WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty offers 97% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed vs WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty — Which Is Better Value?
Specification Comparison
| Spec | SanDisk - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed | WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty |
|---|---|---|
| Brand | SanDisk | GoHardDrive |
| Capacity | 512GB | 4 TB |
| $/GB | $1.1896 | $0.0325 |
| Price | $609.09 | $129.99 |
| 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 WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty offers better value at $0.0325//GB compared to the SanDisk - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed at $1.1896//GB — that's roughly 97% less per gigabyte.
The best deal for the WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty is $129.99 at Amazon, while the SanDisk - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed starts at $609.09 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 - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed and WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed or WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty a better deal?
As of May 2026, WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty offers better value at $0.0325//GB compared to SanDisk - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed at $1.1896//GB. That is approximately 97% better value per gigabyte.
What is the price per GB of SanDisk - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed?
The SanDisk - SDCFSP-512G-A46D - SanDisk Extreme Pro 512 GB CFast Card - 525 MB/s Read - 450 MB/s Write - 2933x Memory Speed is currently priced at $1.1896/GB ($609.09 for 512GB) at Newegg.
Where can I buy WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty for the cheapest price?
The cheapest price for the WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty is $129.99 at Amazon, which works out to $0.0325/GB.