The Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible costs $0.0777/GB while the Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SU04KGBP44UD9005SN) costs $0.1189/GB. Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible offers 35% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible vs Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SU04KGBP44UD9005SN) — Which Is Better Value?
Specification Comparison
| Spec | Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible | Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SU04KGBP44UD9005SN) |
|---|---|---|
| Brand | Bestoss | Silicon Power |
| Capacity | 4TB | 4TB |
| $/GB | $0.0777 | $0.1189 |
| Price | $310.99 | $475.79 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
Price Across Retailers
Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible
Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SU04KGBP44UD9005SN)
Which Should You Buy?
Based on current pricing data, the Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible offers better value at $0.0777//GB compared to the Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SU04KGBP44UD9005SN) at $0.1189//GB — that's roughly 35% less per gigabyte.
The best deal for the Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible is $310.99 at Newegg, while the Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SU04KGBP44UD9005SN) starts at $475.79 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible and Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SU04KGBP44UD9005SN) product page for detailed specifications and price history.
Frequently Asked Questions
Is Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible or Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SU04KGBP44UD9005SN) a better deal?
As of July 2026, Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible offers better value at $0.0777//GB compared to Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SU04KGBP44UD9005SN) at $0.1189//GB. That is approximately 35% better value per gigabyte.
What is the price per GB of Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible?
The Bestoss 2.5' 4TB SSD SATA III 6Gb/s 3D NAND Internal Solid State Hard Drive SSDs for Laptop and Computer, Up to 550MB/s, laptop PC Desktop compatible is currently priced at $0.0777/GB ($310.99 for 4TB) at Newegg.
Where can I buy Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SU04KGBP44UD9005SN) for the cheapest price?
The cheapest price for the Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SU04KGBP44UD9005SN) is $475.79 at Newegg, which works out to $0.1189/GB.