The Western Digital 120GB WD Green Internal PC SSD Solid State Drive - SATA III 6 Gb/s, 2.5"/7mm, Up to 550 MB/s - WDS120G2G0A costs $0.3329/GB while 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. 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 70% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

Western Digital 120GB WD Green Internal PC SSD Solid State Drive - SATA III 6 Gb/s, 2.5"/7mm, Up to 550 MB/s - WDS120G2G0A vs 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 — Which Is Better Value?

Specification Comparison

SpecWestern Digital 120GB WD Green Internal PC SSD Solid State Drive - SATA III 6 Gb/s, 2.5"/7mm, Up to 550 MB/s - WDS120G2G0AKingSpec 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
BrandWestern DigitalKingSpec
Capacity120 GB512 GB
$/GB$0.3329$0.0996
Price$39.95$50.99
RetailerAmazonAmazon
CategorySSDs & NVMe DrivesSSDs & NVMe Drives
Subcategoryssdssd

Price Across Retailers

Western Digital 120GB WD Green Internal PC SSD Solid State Drive - SATA III 6 Gb/s, 2.5"/7mm, Up to 550 MB/s - WDS120G2G0A

Amazon$0.3329//GB
$39.95Buy

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

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 120GB WD Green Internal PC SSD Solid State Drive - SATA III 6 Gb/s, 2.5"/7mm, Up to 550 MB/s - WDS120G2G0A at $0.3329//GB — that's roughly 70% 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 120GB WD Green Internal PC SSD Solid State Drive - SATA III 6 Gb/s, 2.5"/7mm, Up to 550 MB/s - WDS120G2G0A starts at $39.95 at Amazon.

However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Western Digital 120GB WD Green Internal PC SSD Solid State Drive - SATA III 6 Gb/s, 2.5"/7mm, Up to 550 MB/s - WDS120G2G0A and 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 product page for detailed specifications and price history.

Frequently Asked Questions

Is Western Digital 120GB WD Green Internal PC SSD Solid State Drive - SATA III 6 Gb/s, 2.5"/7mm, Up to 550 MB/s - WDS120G2G0A or 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 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 120GB WD Green Internal PC SSD Solid State Drive - SATA III 6 Gb/s, 2.5"/7mm, Up to 550 MB/s - WDS120G2G0A at $0.3329//GB. That is approximately 70% better value per gigabyte.

What is the price per GB of Western Digital 120GB WD Green Internal PC SSD Solid State Drive - SATA III 6 Gb/s, 2.5"/7mm, Up to 550 MB/s - WDS120G2G0A?

The Western Digital 120GB WD Green Internal PC SSD Solid State Drive - SATA III 6 Gb/s, 2.5"/7mm, Up to 550 MB/s - WDS120G2G0A is currently priced at $0.3329/GB ($39.95 for 120 GB) at Amazon.

Where can I buy 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 for the cheapest price?

The cheapest price 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, which works out to $0.0996/GB.

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