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 SANDISK 500GB Optimus 5100 NVMe SSD - PCIe 4.0 x4, M.2 2280, Up to 6,600 MB/s Read Speed - SDSP51500GAN costs $0.2000/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 July 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 SANDISK 500GB Optimus 5100 NVMe SSD - PCIe 4.0 x4, M.2 2280, Up to 6,600 MB/s Read Speed - SDSP51500GAN — 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 | SANDISK 500GB Optimus 5100 NVMe SSD - PCIe 4.0 x4, M.2 2280, Up to 6,600 MB/s Read Speed - SDSP51500GAN |
|---|---|---|
| Brand | KingSpec | SanDisk |
| Capacity | 256GB | 500 GB |
| $/GB | $0.0859 | $0.2000 |
| Price | $21.99 | $99.99 |
| Retailer | Newegg | Amazon |
| 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 SANDISK 500GB Optimus 5100 NVMe SSD - PCIe 4.0 x4, M.2 2280, Up to 6,600 MB/s Read Speed - SDSP51500GAN at $0.2000//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 SANDISK 500GB Optimus 5100 NVMe SSD - PCIe 4.0 x4, M.2 2280, Up to 6,600 MB/s Read Speed - SDSP51500GAN starts at $99.99 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 SANDISK 500GB Optimus 5100 NVMe SSD - PCIe 4.0 x4, M.2 2280, Up to 6,600 MB/s Read Speed - SDSP51500GAN 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 SANDISK 500GB Optimus 5100 NVMe SSD - PCIe 4.0 x4, M.2 2280, Up to 6,600 MB/s Read Speed - SDSP51500GAN a better deal?
As of July 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 SANDISK 500GB Optimus 5100 NVMe SSD - PCIe 4.0 x4, M.2 2280, Up to 6,600 MB/s Read Speed - SDSP51500GAN at $0.2000//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 SANDISK 500GB Optimus 5100 NVMe SSD - PCIe 4.0 x4, M.2 2280, Up to 6,600 MB/s Read Speed - SDSP51500GAN for the cheapest price?
The cheapest price for the SANDISK 500GB Optimus 5100 NVMe SSD - PCIe 4.0 x4, M.2 2280, Up to 6,600 MB/s Read Speed - SDSP51500GAN is $99.99 at Amazon, which works out to $0.2000/GB.