The SanDisk Professional PRO-G40 2TB USB 3.2 Gen 2 Type-C Portable External SSD - SDPS31H-002T-GBCND costs $0.3250/GB while the Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC) costs $0.1050/GB. Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC) offers 68% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk Professional PRO-G40 2TB USB 3.2 Gen 2 Type-C Portable External SSD - SDPS31H-002T-GBCND vs Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC) — Which Is Better Value?
Specification Comparison
| Spec | SanDisk Professional PRO-G40 2TB USB 3.2 Gen 2 Type-C Portable External SSD - SDPS31H-002T-GBCND | Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC) |
|---|---|---|
| Brand | SanDisk | SP Silicon Power |
| Capacity | 2TB | 2 TB |
| $/GB | $0.3250 | $0.1050 |
| Price | $649.99 | $209.97 |
| 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 Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC) offers better value at $0.1050//GB compared to the SanDisk Professional PRO-G40 2TB USB 3.2 Gen 2 Type-C Portable External SSD - SDPS31H-002T-GBCND at $0.3250//GB — that's roughly 68% less per gigabyte.
The best deal for the Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC) is $209.97 at Amazon, while the SanDisk Professional PRO-G40 2TB USB 3.2 Gen 2 Type-C Portable External SSD - SDPS31H-002T-GBCND starts at $649.99 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 Professional PRO-G40 2TB USB 3.2 Gen 2 Type-C Portable External SSD - SDPS31H-002T-GBCND and Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC) product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk Professional PRO-G40 2TB USB 3.2 Gen 2 Type-C Portable External SSD - SDPS31H-002T-GBCND or Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC) a better deal?
As of June 2026, Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC) offers better value at $0.1050//GB compared to SanDisk Professional PRO-G40 2TB USB 3.2 Gen 2 Type-C Portable External SSD - SDPS31H-002T-GBCND at $0.3250//GB. That is approximately 68% better value per gigabyte.
What is the price per GB of SanDisk Professional PRO-G40 2TB USB 3.2 Gen 2 Type-C Portable External SSD - SDPS31H-002T-GBCND?
The SanDisk Professional PRO-G40 2TB USB 3.2 Gen 2 Type-C Portable External SSD - SDPS31H-002T-GBCND is currently priced at $0.3250/GB ($649.99 for 2TB) at Newegg.
Where can I buy Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC) for the cheapest price?
The cheapest price for the Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC) is $209.97 at Amazon, which works out to $0.1050/GB.