The BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 costs $0.1250/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 $0.1125/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 10% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 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 | BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 | 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 | BIWIN | SP Silicon Power |
| Capacity | 2 TB | 2 TB |
| $/GB | $0.1250 | $0.1125 |
| Price | $249.99 | $224.97 |
| Retailer | Amazon | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5
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 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 $0.1125//GB compared to the BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 at $0.1250//GB — that's roughly 10% 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 $224.97 at Amazon, while the BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 starts at $249.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 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 BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 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 May 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 $0.1125//GB compared to BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 at $0.1250//GB. That is approximately 10% better value per gigabyte.
What is the price per GB of BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5?
The BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 is currently priced at $0.1250/GB ($249.99 for 2 TB) at Amazon.
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 $224.97 at Amazon, which works out to $0.1125/GB.