The SANDISK Extreme Portable SSD, 4TB, up to 2000MB/s transfer speeds, USB Type-C connectivity, reliable durability costs $0.2324/GB while 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 $0.0825/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 65% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SANDISK Extreme Portable SSD, 4TB, up to 2000MB/s transfer speeds, USB Type-C connectivity, reliable durability vs SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) — Which Is Better Value?
Specification Comparison
| Spec | SANDISK Extreme Portable SSD, 4TB, up to 2000MB/s transfer speeds, USB Type-C connectivity, reliable durability | SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) |
|---|---|---|
| Brand | SanDisk | SP Silicon Power |
| Capacity | 4TB | 4 TB |
| $/GB | $0.2324 | $0.0825 |
| Price | $929.50 | $329.97 |
| Retailer | Newegg | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
SANDISK Extreme Portable SSD, 4TB, up to 2000MB/s transfer speeds, USB Type-C connectivity, reliable durability
SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25)
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 $0.0825//GB compared to the SANDISK Extreme Portable SSD, 4TB, up to 2000MB/s transfer speeds, USB Type-C connectivity, reliable durability at $0.2324//GB — that's roughly 65% 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 $329.97 at Amazon, while the SANDISK Extreme Portable SSD, 4TB, up to 2000MB/s transfer speeds, USB Type-C connectivity, reliable durability starts at $929.50 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 Extreme Portable SSD, 4TB, up to 2000MB/s transfer speeds, USB Type-C connectivity, reliable durability and SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) product page for detailed specifications and price history.
Frequently Asked Questions
Is SANDISK Extreme Portable SSD, 4TB, up to 2000MB/s transfer speeds, USB Type-C connectivity, reliable durability or SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) a better deal?
As of June 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 $0.0825//GB compared to SANDISK Extreme Portable SSD, 4TB, up to 2000MB/s transfer speeds, USB Type-C connectivity, reliable durability at $0.2324//GB. That is approximately 65% better value per gigabyte.
What is the price per GB of SANDISK Extreme Portable SSD, 4TB, up to 2000MB/s transfer speeds, USB Type-C connectivity, reliable durability?
The SANDISK Extreme Portable SSD, 4TB, up to 2000MB/s transfer speeds, USB Type-C connectivity, reliable durability is currently priced at $0.2324/GB ($929.50 for 4TB) at Newegg.
Where can I buy SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) for the cheapest price?
The cheapest price 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 $329.97 at Amazon, which works out to $0.0825/GB.