The Samsung - 990 EVO PLUS SSD 4TB, PCIe Gen 4x4 | 5x2 M.2 2280, Speeds Up to 7,250 MB/s costs $0.2625/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 $0.0875/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 67% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Samsung - 990 EVO PLUS SSD 4TB, PCIe Gen 4x4 | 5x2 M.2 2280, Speeds Up to 7,250 MB/s 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 | Samsung - 990 EVO PLUS SSD 4TB, PCIe Gen 4x4 | 5x2 M.2 2280, Speeds Up to 7,250 MB/s | 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 | Samsung | SP Silicon Power |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.2625 | $0.0875 |
| Price | $1049.99 | $349.97 |
| Retailer | Best Buy | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | 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 $0.0875//GB compared to the Samsung - 990 EVO PLUS SSD 4TB, PCIe Gen 4x4 | 5x2 M.2 2280, Speeds Up to 7,250 MB/s at $0.2625//GB — that's roughly 67% 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 $349.97 at Amazon, while the Samsung - 990 EVO PLUS SSD 4TB, PCIe Gen 4x4 | 5x2 M.2 2280, Speeds Up to 7,250 MB/s starts at $1049.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Samsung - 990 EVO PLUS SSD 4TB, PCIe Gen 4x4 | 5x2 M.2 2280, Speeds Up to 7,250 MB/s 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 Samsung - 990 EVO PLUS SSD 4TB, PCIe Gen 4x4 | 5x2 M.2 2280, Speeds Up to 7,250 MB/s 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 May 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 $0.0875//GB compared to Samsung - 990 EVO PLUS SSD 4TB, PCIe Gen 4x4 | 5x2 M.2 2280, Speeds Up to 7,250 MB/s at $0.2625//GB. That is approximately 67% better value per gigabyte.
What is the price per GB of Samsung - 990 EVO PLUS SSD 4TB, PCIe Gen 4x4 | 5x2 M.2 2280, Speeds Up to 7,250 MB/s?
The Samsung - 990 EVO PLUS SSD 4TB, PCIe Gen 4x4 | 5x2 M.2 2280, Speeds Up to 7,250 MB/s is currently priced at $0.2625/GB ($1049.99 for 4 TB) at Best Buy.
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 $349.97 at Amazon, which works out to $0.0875/GB.