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 Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 costs $0.2400/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 64% 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 Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 — 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 Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 |
|---|---|---|
| Brand | KingSpec | SanDisk |
| Capacity | 256GB | 500GB |
| $/GB | $0.0859 | $0.2400 |
| Price | $21.99 | $119.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
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
SanDisk Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0
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 Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 at $0.2400//GB — that's roughly 64% 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 Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 starts at $119.99 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 SanDisk Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 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 Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 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 Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 at $0.2400//GB. That is approximately 64% 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 Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 for the cheapest price?
The cheapest price for the SanDisk Optimus GX 7100 M.2 2280-S3-M 500GB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71500GAN-000E0 is $119.99 at Newegg, which works out to $0.2400/GB.