The SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) costs $0.0875/GB while the SANDISK - Extreme Portable 4TB External USB-C NVMe SSD - Monterey costs $0.1150/GB. SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) offers 24% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) vs SANDISK - Extreme Portable 4TB External USB-C NVMe SSD - Monterey — Which Is Better Value?
Specification Comparison
| Spec | SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) | SANDISK - Extreme Portable 4TB External USB-C NVMe SSD - Monterey |
|---|---|---|
| Brand | SP Silicon Power | SanDisk |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.0875 | $0.1150 |
| Price | $349.97 | $459.99 |
| Retailer | Amazon | Best Buy |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) offers better value at $0.0875//GB compared to the SANDISK - Extreme Portable 4TB External USB-C NVMe SSD - Monterey at $0.1150//GB — that's roughly 24% less per gigabyte.
The best deal for the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) is $349.97 at Amazon, while the SANDISK - Extreme Portable 4TB External USB-C NVMe SSD - Monterey starts at $459.99 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 SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) and SANDISK - Extreme Portable 4TB External USB-C NVMe SSD - Monterey product page for detailed specifications and price history.
Frequently Asked Questions
Is SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) or SANDISK - Extreme Portable 4TB External USB-C NVMe SSD - Monterey a better deal?
As of May 2026, SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) offers better value at $0.0875//GB compared to SANDISK - Extreme Portable 4TB External USB-C NVMe SSD - Monterey at $0.1150//GB. That is approximately 24% better value per gigabyte.
What is the price per GB of SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25)?
The SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) is currently priced at $0.0875/GB ($349.97 for 4 TB) at Amazon.
Where can I buy SANDISK - Extreme Portable 4TB External USB-C NVMe SSD - Monterey for the cheapest price?
The cheapest price for the SANDISK - Extreme Portable 4TB External USB-C NVMe SSD - Monterey is $459.99 at Best Buy, which works out to $0.1150/GB.