The Crucial X10 4 TB Portable Solid State Drive - External - USB 3.2 Gen 2x2 CT4000X10SSD9 costs $0.1472/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 $0.0850/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 42% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Crucial X10 4 TB Portable Solid State Drive - External - USB 3.2 Gen 2x2 CT4000X10SSD9 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 | Crucial X10 4 TB Portable Solid State Drive - External - USB 3.2 Gen 2x2 CT4000X10SSD9 | 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 | Crucial | SP Silicon Power |
| Capacity | 4TB | 4 TB |
| $/GB | $0.1472 | $0.0850 |
| Price | $588.90 | $339.97 |
| Retailer | Newegg | Amazon |
| 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 $0.0850//GB compared to the Crucial X10 4 TB Portable Solid State Drive - External - USB 3.2 Gen 2x2 CT4000X10SSD9 at $0.1472//GB — that's roughly 42% 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 $339.97 at Amazon, while the Crucial X10 4 TB Portable Solid State Drive - External - USB 3.2 Gen 2x2 CT4000X10SSD9 starts at $588.90 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Crucial X10 4 TB Portable Solid State Drive - External - USB 3.2 Gen 2x2 CT4000X10SSD9 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 Crucial X10 4 TB Portable Solid State Drive - External - USB 3.2 Gen 2x2 CT4000X10SSD9 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 July 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 $0.0850//GB compared to Crucial X10 4 TB Portable Solid State Drive - External - USB 3.2 Gen 2x2 CT4000X10SSD9 at $0.1472//GB. That is approximately 42% better value per gigabyte.
What is the price per GB of Crucial X10 4 TB Portable Solid State Drive - External - USB 3.2 Gen 2x2 CT4000X10SSD9?
The Crucial X10 4 TB Portable Solid State Drive - External - USB 3.2 Gen 2x2 CT4000X10SSD9 is currently priced at $0.1472/GB ($588.90 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 $339.97 at Amazon, which works out to $0.0850/GB.