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 $0.0990/GB while the Western Digital WD BLACK P40 2TB USB 3.2 Gen 2x2, Type-C Game Drive SSD costs $0.1796/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 45% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC) vs Western Digital WD BLACK P40 2TB USB 3.2 Gen 2x2, Type-C Game Drive SSD — Which Is Better Value?
Western Digital WD BLACK P40 2TB USB 3.2 Gen 2x2, Type-C Game Drive SSD
Specification Comparison
| Spec | Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC) | Western Digital WD BLACK P40 2TB USB 3.2 Gen 2x2, Type-C Game Drive SSD |
|---|---|---|
| Brand | SP Silicon Power | Western Digital |
| Capacity | 2 TB | 2TB |
| $/GB | $0.0990 | $0.1796 |
| Price | $197.97 | $359.11 |
| Retailer | Amazon | Newegg |
| 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 $0.0990//GB compared to the Western Digital WD BLACK P40 2TB USB 3.2 Gen 2x2, Type-C Game Drive SSD at $0.1796//GB — that's roughly 45% 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 $197.97 at Amazon, while the Western Digital WD BLACK P40 2TB USB 3.2 Gen 2x2, Type-C Game Drive SSD starts at $359.11 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC) and Western Digital WD BLACK P40 2TB USB 3.2 Gen 2x2, Type-C Game Drive SSD product page for detailed specifications and price history.
Frequently Asked Questions
Is Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC) or Western Digital WD BLACK P40 2TB USB 3.2 Gen 2x2, Type-C Game Drive SSD a better deal?
As of July 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 $0.0990//GB compared to Western Digital WD BLACK P40 2TB USB 3.2 Gen 2x2, Type-C Game Drive SSD at $0.1796//GB. That is approximately 45% better value per gigabyte.
What is the price per GB of Silicon Power 2TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU002TBSS3A55S25EC)?
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 currently priced at $0.0990/GB ($197.97 for 2 TB) at Amazon.
Where can I buy Western Digital WD BLACK P40 2TB USB 3.2 Gen 2x2, Type-C Game Drive SSD for the cheapest price?
The cheapest price for the Western Digital WD BLACK P40 2TB USB 3.2 Gen 2x2, Type-C Game Drive SSD is $359.11 at Newegg, which works out to $0.1796/GB.