The KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers costs $0.0859/GB while the Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 costs $0.5400/GB. KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers offers 84% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers vs Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 — Which Is Better Value?
Specification Comparison
| Spec | KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers | Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 |
|---|---|---|
| Brand | KingSpec | Silicon Power |
| Capacity | 256GB | 250GB |
| $/GB | $0.0859 | $0.5400 |
| Price | $21.99 | $134.99 |
| 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 MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers offers better value at $0.0859//GB compared to the Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 at $0.5400//GB — that's roughly 84% less per gigabyte.
The best deal for the KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers is $21.99 at Newegg, while the Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 starts at $134.99 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 MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers and Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 product page for detailed specifications and price history.
Frequently Asked Questions
Is KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers or Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 a better deal?
As of June 2026, KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers offers better value at $0.0859//GB compared to Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 at $0.5400//GB. That is approximately 84% better value per gigabyte.
What is the price per GB of KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers?
The KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers is currently priced at $0.0859/GB ($21.99 for 256GB) at Newegg.
Where can I buy Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 for the cheapest price?
The cheapest price for the Silicon Power 250GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/3,850 MB/s - Model SP250GBP44UD9005 is $134.99 at Newegg, which works out to $0.5400/GB.