The SanDisk - 4TB Extreme Portable SSD, up to 2000MB/s with USB Type-C, IP65 water /dust resistance, up to 3-meter drop protection - Black costs $0.2250/GB while the Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) costs $0.0844/GB. Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) offers 62% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk - 4TB Extreme Portable SSD, up to 2000MB/s with USB Type-C, IP65 water /dust resistance, up to 3-meter drop protection - Black vs Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) — Which Is Better Value?
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Specification Comparison
| Spec | SanDisk - 4TB Extreme Portable SSD, up to 2000MB/s with USB Type-C, IP65 water /dust resistance, up to 3-meter drop protection - Black | Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) |
|---|---|---|
| Brand | SanDisk | Silicon Power |
| Capacity | 4 TB | 4TB |
| $/GB | $0.2250 | $0.0844 |
| Price | $899.99 | $337.79 |
| Retailer | Best Buy | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
SanDisk - 4TB Extreme Portable SSD, up to 2000MB/s with USB Type-C, IP65 water /dust resistance, up to 3-meter drop protection - Black
Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE)
Which Should You Buy?
Based on current pricing data, the Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) offers better value at $0.0844//GB compared to the SanDisk - 4TB Extreme Portable SSD, up to 2000MB/s with USB Type-C, IP65 water /dust resistance, up to 3-meter drop protection - Black at $0.2250//GB — that's roughly 62% less per gigabyte.
The best deal for the Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) is $337.79 at Newegg, while the SanDisk - 4TB Extreme Portable SSD, up to 2000MB/s with USB Type-C, IP65 water /dust resistance, up to 3-meter drop protection - Black starts at $899.99 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 SanDisk - 4TB Extreme Portable SSD, up to 2000MB/s with USB Type-C, IP65 water /dust resistance, up to 3-meter drop protection - Black and Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk - 4TB Extreme Portable SSD, up to 2000MB/s with USB Type-C, IP65 water /dust resistance, up to 3-meter drop protection - Black or Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) a better deal?
As of August 2026, Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) offers better value at $0.0844//GB compared to SanDisk - 4TB Extreme Portable SSD, up to 2000MB/s with USB Type-C, IP65 water /dust resistance, up to 3-meter drop protection - Black at $0.2250//GB. That is approximately 62% better value per gigabyte.
What is the price per GB of SanDisk - 4TB Extreme Portable SSD, up to 2000MB/s with USB Type-C, IP65 water /dust resistance, up to 3-meter drop protection - Black?
The SanDisk - 4TB Extreme Portable SSD, up to 2000MB/s with USB Type-C, IP65 water /dust resistance, up to 3-meter drop protection - Black is currently priced at $0.2250/GB ($899.99 for 4 TB) at Best Buy.
Where can I buy Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) for the cheapest price?
The cheapest price for the Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) is $337.79 at Newegg, which works out to $0.0844/GB.