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 fanxiang S501 128GB NVMe SSD 3D NAND1.3 PCIe Gen3x4 M.2 2280 Internal Solid State Drive (Read Speed up to 1,100 MB/s) Compatible with Laptop & PC Desktop costs $0.2968/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 71% 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 fanxiang S501 128GB NVMe SSD 3D NAND1.3 PCIe Gen3x4 M.2 2280 Internal Solid State Drive (Read Speed up to 1,100 MB/s) Compatible with Laptop & PC Desktop — 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 | fanxiang S501 128GB NVMe SSD 3D NAND1.3 PCIe Gen3x4 M.2 2280 Internal Solid State Drive (Read Speed up to 1,100 MB/s) Compatible with Laptop & PC Desktop |
|---|---|---|
| Brand | KingSpec | fanxiang |
| Capacity | 256GB | 128 GB |
| $/GB | $0.0859 | $0.2968 |
| Price | $21.99 | $37.99 |
| Retailer | Newegg | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
Price Across Retailers
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
fanxiang S501 128GB NVMe SSD 3D NAND1.3 PCIe Gen3x4 M.2 2280 Internal Solid State Drive (Read Speed up to 1,100 MB/s) Compatible with Laptop & PC Desktop
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 fanxiang S501 128GB NVMe SSD 3D NAND1.3 PCIe Gen3x4 M.2 2280 Internal Solid State Drive (Read Speed up to 1,100 MB/s) Compatible with Laptop & PC Desktop at $0.2968//GB — that's roughly 71% 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 fanxiang S501 128GB NVMe SSD 3D NAND1.3 PCIe Gen3x4 M.2 2280 Internal Solid State Drive (Read Speed up to 1,100 MB/s) Compatible with Laptop & PC Desktop starts at $37.99 at Amazon.
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 fanxiang S501 128GB NVMe SSD 3D NAND1.3 PCIe Gen3x4 M.2 2280 Internal Solid State Drive (Read Speed up to 1,100 MB/s) Compatible with Laptop & PC Desktop 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 fanxiang S501 128GB NVMe SSD 3D NAND1.3 PCIe Gen3x4 M.2 2280 Internal Solid State Drive (Read Speed up to 1,100 MB/s) Compatible with Laptop & PC Desktop 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 fanxiang S501 128GB NVMe SSD 3D NAND1.3 PCIe Gen3x4 M.2 2280 Internal Solid State Drive (Read Speed up to 1,100 MB/s) Compatible with Laptop & PC Desktop at $0.2968//GB. That is approximately 71% 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 fanxiang S501 128GB NVMe SSD 3D NAND1.3 PCIe Gen3x4 M.2 2280 Internal Solid State Drive (Read Speed up to 1,100 MB/s) Compatible with Laptop & PC Desktop for the cheapest price?
The cheapest price for the fanxiang S501 128GB NVMe SSD 3D NAND1.3 PCIe Gen3x4 M.2 2280 Internal Solid State Drive (Read Speed up to 1,100 MB/s) Compatible with Laptop & PC Desktop is $37.99 at Amazon, which works out to $0.2968/GB.