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 512GB NVMe M.2 2280 PCIe Gen3 x4 SSD (SP512GBP34A60M28SN) costs $0.2008/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 57% 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 512GB NVMe M.2 2280 PCIe Gen3 x4 SSD (SP512GBP34A60M28SN) — Which Is Better Value?
Silicon Power 512GB NVMe M.2 2280 PCIe Gen3 x4 SSD (SP512GBP34A60M28SN)
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 512GB NVMe M.2 2280 PCIe Gen3 x4 SSD (SP512GBP34A60M28SN) |
|---|---|---|
| Brand | KingSpec | Silicon Power |
| Capacity | 256GB | 512GB |
| $/GB | $0.0859 | $0.2008 |
| Price | $21.99 | $102.79 |
| 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 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 512GB NVMe M.2 2280 PCIe Gen3 x4 SSD (SP512GBP34A60M28SN) at $0.2008//GB — that's roughly 57% 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 512GB NVMe M.2 2280 PCIe Gen3 x4 SSD (SP512GBP34A60M28SN) starts at $102.79 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 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 512GB NVMe M.2 2280 PCIe Gen3 x4 SSD (SP512GBP34A60M28SN) 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 512GB NVMe M.2 2280 PCIe Gen3 x4 SSD (SP512GBP34A60M28SN) 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 512GB NVMe M.2 2280 PCIe Gen3 x4 SSD (SP512GBP34A60M28SN) at $0.2008//GB. That is approximately 57% 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 512GB NVMe M.2 2280 PCIe Gen3 x4 SSD (SP512GBP34A60M28SN) for the cheapest price?
The cheapest price for the Silicon Power 512GB NVMe M.2 2280 PCIe Gen3 x4 SSD (SP512GBP34A60M28SN) is $102.79 at Newegg, which works out to $0.2008/GB.