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 WD Blue SA510 250GB SATA SSD - SATA III 6 Gb/s, M.2 2280, Internal Solid State Drive, Up to 555 MB/s - WDS250G3B0B costs $0.4072/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 76% better value per gigabyte as of April 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 WD Blue SA510 250GB SATA SSD - SATA III 6 Gb/s, M.2 2280, Internal Solid State Drive, Up to 555 MB/s - WDS250G3B0B — 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 | WD Blue SA510 250GB SATA SSD - SATA III 6 Gb/s, M.2 2280, Internal Solid State Drive, Up to 555 MB/s - WDS250G3B0B |
|---|---|---|
| Brand | KingSpec | Western Digital |
| Capacity | 512 GB | 250 GB |
| $/GB | $0.0996 | $0.4072 |
| Price | $50.99 | $101.80 |
| Retailer | Amazon | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | N/A |
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
WD Blue SA510 250GB SATA SSD - SATA III 6 Gb/s, M.2 2280, Internal Solid State Drive, Up to 555 MB/s - WDS250G3B0B
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 WD Blue SA510 250GB SATA SSD - SATA III 6 Gb/s, M.2 2280, Internal Solid State Drive, Up to 555 MB/s - WDS250G3B0B at $0.4072//GB — that's roughly 76% 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 WD Blue SA510 250GB SATA SSD - SATA III 6 Gb/s, M.2 2280, Internal Solid State Drive, Up to 555 MB/s - WDS250G3B0B starts at $101.80 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 WD Blue SA510 250GB SATA SSD - SATA III 6 Gb/s, M.2 2280, Internal Solid State Drive, Up to 555 MB/s - WDS250G3B0B 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 WD Blue SA510 250GB SATA SSD - SATA III 6 Gb/s, M.2 2280, Internal Solid State Drive, Up to 555 MB/s - WDS250G3B0B a better deal?
As of April 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 WD Blue SA510 250GB SATA SSD - SATA III 6 Gb/s, M.2 2280, Internal Solid State Drive, Up to 555 MB/s - WDS250G3B0B at $0.4072//GB. That is approximately 76% 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 WD Blue SA510 250GB SATA SSD - SATA III 6 Gb/s, M.2 2280, Internal Solid State Drive, Up to 555 MB/s - WDS250G3B0B for the cheapest price?
The cheapest price for the WD Blue SA510 250GB SATA SSD - SATA III 6 Gb/s, M.2 2280, Internal Solid State Drive, Up to 555 MB/s - WDS250G3B0B is $101.80 at Amazon, which works out to $0.4072/GB.