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 Western Digital 500GB My Passport SSD Portable External Solid State Drive, Gray, Sturdy and Blazing Fast, Password Protection with Hardware Encryption - WDBAGF5000AGY-WESN costs $0.2980/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 67% 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 Western Digital 500GB My Passport SSD Portable External Solid State Drive, Gray, Sturdy and Blazing Fast, Password Protection with Hardware Encryption - WDBAGF5000AGY-WESN — Which Is Better Value?

Specification Comparison

SpecKingSpec 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/DesktopsWestern Digital 500GB My Passport SSD Portable External Solid State Drive, Gray, Sturdy and Blazing Fast, Password Protection with Hardware Encryption - WDBAGF5000AGY-WESN
BrandKingSpecWestern Digital
Capacity512 GB500 GB
$/GB$0.0996$0.2980
Price$50.99$149.00
RetailerAmazonAmazon
CategorySSDs & NVMe DrivesSSDs & NVMe Drives
Subcategoryssdssd

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

Amazon$0.0996//GB
$50.99Buy

Western Digital 500GB My Passport SSD Portable External Solid State Drive, Gray, Sturdy and Blazing Fast, Password Protection with Hardware Encryption - WDBAGF5000AGY-WESN

Amazon$0.2980//GB
$149.00Buy

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 Western Digital 500GB My Passport SSD Portable External Solid State Drive, Gray, Sturdy and Blazing Fast, Password Protection with Hardware Encryption - WDBAGF5000AGY-WESN at $0.2980//GB — that's roughly 67% 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 Western Digital 500GB My Passport SSD Portable External Solid State Drive, Gray, Sturdy and Blazing Fast, Password Protection with Hardware Encryption - WDBAGF5000AGY-WESN starts at $149.00 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 Western Digital 500GB My Passport SSD Portable External Solid State Drive, Gray, Sturdy and Blazing Fast, Password Protection with Hardware Encryption - WDBAGF5000AGY-WESN 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 Western Digital 500GB My Passport SSD Portable External Solid State Drive, Gray, Sturdy and Blazing Fast, Password Protection with Hardware Encryption - WDBAGF5000AGY-WESN 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 Western Digital 500GB My Passport SSD Portable External Solid State Drive, Gray, Sturdy and Blazing Fast, Password Protection with Hardware Encryption - WDBAGF5000AGY-WESN at $0.2980//GB. That is approximately 67% 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 Western Digital 500GB My Passport SSD Portable External Solid State Drive, Gray, Sturdy and Blazing Fast, Password Protection with Hardware Encryption - WDBAGF5000AGY-WESN for the cheapest price?

The cheapest price for the Western Digital 500GB My Passport SSD Portable External Solid State Drive, Gray, Sturdy and Blazing Fast, Password Protection with Hardware Encryption - WDBAGF5000AGY-WESN is $149.00 at Amazon, which works out to $0.2980/GB.

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