The Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) costs $0.0799/GB while the Samsung 990 PRO 4 TB Solid State Drive - M.2 2280 Internal - PCI Express NVMe (PCI Express NVMe 4.0 x4) - Black - 2400 TB TBW - 7450 MB/s Maximum costs $0.2813/GB. Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) offers 72% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) vs Samsung 990 PRO 4 TB Solid State Drive - M.2 2280 Internal - PCI Express NVMe (PCI Express NVMe 4.0 x4) - Black - 2400 TB TBW - 7450 MB/s Maximum — Which Is Better Value?
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Specification Comparison
| Spec | Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) | Samsung 990 PRO 4 TB Solid State Drive - M.2 2280 Internal - PCI Express NVMe (PCI Express NVMe 4.0 x4) - Black - 2400 TB TBW - 7450 MB/s Maximum |
|---|---|---|
| Brand | Silicon Power | Samsung |
| Capacity | 4TB | 4TB |
| $/GB | $0.0799 | $0.2813 |
| Price | $319.79 | $1125.00 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
Price Across Retailers
Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE)
Samsung 990 PRO 4 TB Solid State Drive - M.2 2280 Internal - PCI Express NVMe (PCI Express NVMe 4.0 x4) - Black - 2400 TB TBW - 7450 MB/s Maximum
Which Should You Buy?
Based on current pricing data, the Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) offers better value at $0.0799//GB compared to the Samsung 990 PRO 4 TB Solid State Drive - M.2 2280 Internal - PCI Express NVMe (PCI Express NVMe 4.0 x4) - Black - 2400 TB TBW - 7450 MB/s Maximum at $0.2813//GB — that's roughly 72% less per gigabyte.
The best deal for the Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) is $319.79 at Newegg, while the Samsung 990 PRO 4 TB Solid State Drive - M.2 2280 Internal - PCI Express NVMe (PCI Express NVMe 4.0 x4) - Black - 2400 TB TBW - 7450 MB/s Maximum starts at $1125.00 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 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) and Samsung 990 PRO 4 TB Solid State Drive - M.2 2280 Internal - PCI Express NVMe (PCI Express NVMe 4.0 x4) - Black - 2400 TB TBW - 7450 MB/s Maximum product page for detailed specifications and price history.
Frequently Asked Questions
Is Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) or Samsung 990 PRO 4 TB Solid State Drive - M.2 2280 Internal - PCI Express NVMe (PCI Express NVMe 4.0 x4) - Black - 2400 TB TBW - 7450 MB/s Maximum a better deal?
As of September 2026, Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) offers better value at $0.0799//GB compared to Samsung 990 PRO 4 TB Solid State Drive - M.2 2280 Internal - PCI Express NVMe (PCI Express NVMe 4.0 x4) - Black - 2400 TB TBW - 7450 MB/s Maximum at $0.2813//GB. That is approximately 72% better value per gigabyte.
What is the price per GB of Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE)?
The Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) is currently priced at $0.0799/GB ($319.79 for 4TB) at Newegg.
Where can I buy Samsung 990 PRO 4 TB Solid State Drive - M.2 2280 Internal - PCI Express NVMe (PCI Express NVMe 4.0 x4) - Black - 2400 TB TBW - 7450 MB/s Maximum for the cheapest price?
The cheapest price for the Samsung 990 PRO 4 TB Solid State Drive - M.2 2280 Internal - PCI Express NVMe (PCI Express NVMe 4.0 x4) - Black - 2400 TB TBW - 7450 MB/s Maximum is $1125.00 at Newegg, which works out to $0.2813/GB.