The KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop costs $0.0800/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. KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop offers 33% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop 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 | KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop | Silicon Power 4TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,500 MB/s (SU04KGBP44UD9005SN) |
|---|---|---|
| Brand | KingSpec | Silicon Power |
| Capacity | 4TB | 4TB |
| $/GB | $0.0800 | $0.1189 |
| Price | $319.99 | $475.79 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop offers better value at $0.0800//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 33% less per gigabyte.
The best deal for the KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop is $319.99 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 KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop 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 KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop 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, KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop offers better value at $0.0800//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 33% better value per gigabyte.
What is the price per GB of KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop?
The KingSpec P3 SSD 4TB Internal 2.5' Solid State Drive 2.5 Inch SATA III 3D NAND Flash Data Storage, Speed up to 520MB/s, laptop PC Desktop is currently priced at $0.0800/GB ($319.99 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.