The KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops costs $0.0996/GB while the HUADISK 256GB M.2 2280 NVMe SSD, Gen3x4 Internal Solid State Drive, Up to 1700MB/s, M.2 2280 NVMe PCIe 3.0X4 SSD with Heatsink，3D NAND Flash，for Desktop and Laptop costs $0.2187/GB. KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops offers 54% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops vs HUADISK 256GB M.2 2280 NVMe SSD, Gen3x4 Internal Solid State Drive, Up to 1700MB/s, M.2 2280 NVMe PCIe 3.0X4 SSD with Heatsink，3D NAND Flash，for Desktop and Laptop — Which Is Better Value?
Specification Comparison
| Spec | KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops | HUADISK 256GB M.2 2280 NVMe SSD, Gen3x4 Internal Solid State Drive, Up to 1700MB/s, M.2 2280 NVMe PCIe 3.0X4 SSD with Heatsink，3D NAND Flash，for Desktop and Laptop |
|---|---|---|
| Brand | KingSpec | HUADISK |
| Capacity | 512 GB | 256 GB |
| $/GB | $0.0996 | $0.2187 |
| Price | $50.99 | $55.99 |
| Retailer | Amazon | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
Price Across Retailers
KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops
HUADISK 256GB M.2 2280 NVMe SSD, Gen3x4 Internal Solid State Drive, Up to 1700MB/s, M.2 2280 NVMe PCIe 3.0X4 SSD with Heatsink，3D NAND Flash，for Desktop and Laptop
Which Should You Buy?
Based on current pricing data, the KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops offers better value at $0.0996//GB compared to the HUADISK 256GB M.2 2280 NVMe SSD, Gen3x4 Internal Solid State Drive, Up to 1700MB/s, M.2 2280 NVMe PCIe 3.0X4 SSD with Heatsink，3D NAND Flash，for Desktop and Laptop at $0.2187//GB — that's roughly 54% less per gigabyte.
The best deal for the KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops is $50.99 at Amazon, while the HUADISK 256GB M.2 2280 NVMe SSD, Gen3x4 Internal Solid State Drive, Up to 1700MB/s, M.2 2280 NVMe PCIe 3.0X4 SSD with Heatsink，3D NAND Flash，for Desktop and Laptop starts at $55.99 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 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops and HUADISK 256GB M.2 2280 NVMe SSD, Gen3x4 Internal Solid State Drive, Up to 1700MB/s, M.2 2280 NVMe PCIe 3.0X4 SSD with Heatsink，3D NAND Flash，for Desktop and Laptop product page for detailed specifications and price history.
Frequently Asked Questions
Is KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops or HUADISK 256GB M.2 2280 NVMe SSD, Gen3x4 Internal Solid State Drive, Up to 1700MB/s, M.2 2280 NVMe PCIe 3.0X4 SSD with Heatsink，3D NAND Flash，for Desktop and Laptop a better deal?
As of May 2026, KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops offers better value at $0.0996//GB compared to HUADISK 256GB M.2 2280 NVMe SSD, Gen3x4 Internal Solid State Drive, Up to 1700MB/s, M.2 2280 NVMe PCIe 3.0X4 SSD with Heatsink，3D NAND Flash，for Desktop and Laptop at $0.2187//GB. That is approximately 54% better value per gigabyte.
What is the price per GB of KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops?
The KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops is currently priced at $0.0996/GB ($50.99 for 512 GB) at Amazon.
Where can I buy HUADISK 256GB M.2 2280 NVMe SSD, Gen3x4 Internal Solid State Drive, Up to 1700MB/s, M.2 2280 NVMe PCIe 3.0X4 SSD with Heatsink，3D NAND Flash，for Desktop and Laptop for the cheapest price?
The cheapest price for the HUADISK 256GB M.2 2280 NVMe SSD, Gen3x4 Internal Solid State Drive, Up to 1700MB/s, M.2 2280 NVMe PCIe 3.0X4 SSD with Heatsink，3D NAND Flash，for Desktop and Laptop is $55.99 at Amazon, which works out to $0.2187/GB.