The SanDisk SSD External 4TB USB 3.2 Gen 2x2 Up to 2000MB / sec Drip-proof and dust-proof SDSSDE81-4T00-GH25 Extreme Pro Portable SSD V2 Eco Package costs $0.1998/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 59% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk SSD External 4TB USB 3.2 Gen 2x2 Up to 2000MB / sec Drip-proof and dust-proof SDSSDE81-4T00-GH25 Extreme Pro Portable SSD V2 Eco Package 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 SSD External 4TB USB 3.2 Gen 2x2 Up to 2000MB / sec Drip-proof and dust-proof SDSSDE81-4T00-GH25 Extreme Pro Portable SSD V2 Eco Package | 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 | $0.1998 | $0.0825 |
| Price | $799.00 | $329.97 |
| Retailer | Newegg | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
SanDisk SSD External 4TB USB 3.2 Gen 2x2 Up to 2000MB / sec Drip-proof and dust-proof SDSSDE81-4T00-GH25 Extreme Pro Portable SSD V2 Eco Package
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 SSD External 4TB USB 3.2 Gen 2x2 Up to 2000MB / sec Drip-proof and dust-proof SDSSDE81-4T00-GH25 Extreme Pro Portable SSD V2 Eco Package at $0.1998//GB — that's roughly 59% 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 SSD External 4TB USB 3.2 Gen 2x2 Up to 2000MB / sec Drip-proof and dust-proof SDSSDE81-4T00-GH25 Extreme Pro Portable SSD V2 Eco Package starts at $799.00 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 SSD External 4TB USB 3.2 Gen 2x2 Up to 2000MB / sec Drip-proof and dust-proof SDSSDE81-4T00-GH25 Extreme Pro Portable SSD V2 Eco Package 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 SSD External 4TB USB 3.2 Gen 2x2 Up to 2000MB / sec Drip-proof and dust-proof SDSSDE81-4T00-GH25 Extreme Pro Portable SSD V2 Eco Package 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 SSD External 4TB USB 3.2 Gen 2x2 Up to 2000MB / sec Drip-proof and dust-proof SDSSDE81-4T00-GH25 Extreme Pro Portable SSD V2 Eco Package at $0.1998//GB. That is approximately 59% better value per gigabyte.
What is the price per GB of SanDisk SSD External 4TB USB 3.2 Gen 2x2 Up to 2000MB / sec Drip-proof and dust-proof SDSSDE81-4T00-GH25 Extreme Pro Portable SSD V2 Eco Package?
The SanDisk SSD External 4TB USB 3.2 Gen 2x2 Up to 2000MB / sec Drip-proof and dust-proof SDSSDE81-4T00-GH25 Extreme Pro Portable SSD V2 Eco Package is currently priced at $0.1998/GB ($799.00 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.