Kingston vs Unionsine Hard Drives & SSDs

Side-by-side price per gigabyte comparison across 7 products.

As of March 2026, Kingston averages $0.2177/GB across 5 products while Unionsine averages $0.0665/GB across 2 products on BuyPerUnit. Unionsine offers 69% better value per gigabyte for hard drives & ssds.

Kingston

Avg $/GB$0.2177

Best $/GB$0.1650

Price Range$0.1650 – $0.3240

Products5

Cheapest Product

Kingston NV3 1TB M.2 2280 NVMe SSD | PCIe 4.0 Gen 4x4 | Up to 6000 MB/s | SNV3S/1000G

1 TB · $164.99 · amazon

Unionsine

Better Value

Avg $/GB$0.0665

Best $/GB$0.0615

Price Range$0.0615 – $0.0715

Products2

Cheapest Product

UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black)

500 GB · $30.73 · amazon

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	Kingston	Kingston NV3 1TB M.2 2280 NVMe SSD \| PCIe 4.0 Gen 4x4 \| Up to 6000 MB/s \| SNV3S/1000G	1 TB	$0.1650	$164.99	amazon
1	Unionsine	UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black)	500 GB	$0.0615	$30.73	amazon
2	Kingston	Kingston 960GB A400 SATA3 2.5" Internal SSD SA400S37/960G - HDD Replacement for Increase Performance	960 GB	$0.1823	$175.00	amazon
2	Unionsine	UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Pink)	500 GB	$0.0715	$35.73	amazon
3	Kingston	Kingston XS2000 500G High Performance Portable SSD with USB-C \| Pocket-sized \| USB 3.2 Gen 2x2 \| External Solid State Drive \| Up to 2000MB/s \| SXS2000/500G	500 GB	$0.1900	$94.99	amazon
4	Kingston	Kingston 480GB A400 SATA 3 2.5" Internal SSD SA400S37/480G - HDD Replacement for Increase Performance	480 GB	$0.2271	$109.00	amazon
5	Kingston	Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G - HDD Replacement for Increase Performance	240 GB	$0.3240	$77.75	amazon

Which Should You Buy?

Based on current pricing data, Unionsine offers better overall value for hard drives & ssds at an average of $0.0665/GB compared to Kingston's $0.2177/GB — that's roughly 69% less per gigabyte.

Unionsine's best deal is the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) (500 GB) at $0.0615/GB, while Kingston's cheapest option is the Kingston NV3 1TB M.2 2280 NVMe SSD | PCIe 4.0 Gen 4x4 | Up to 6000 MB/s | SNV3S/1000G (1 TB) at $0.1650/GB.

However, price per GB isn't everything — consider factors like warranty, performance specs, and your specific capacity needs. Check individual product pages for detailed specifications.

Frequently Asked Questions

Is Kingston or Unionsine cheaper per GB for hard drives & ssds?

As of March 2026, Unionsine averages $0.0665/GB compared to Kingston at $0.2177/GB. Unionsine is approximately 69% cheaper per gigabyte on average.

How many Kingston and Unionsine hard drives & ssds does BuyPerUnit track?

BuyPerUnit currently tracks 5 Kingston products and 2 Unionsine products in the hard drives & ssds category, all ranked by price per gigabyte.

What is the cheapest Kingston hard drives & ssd per GB?

The cheapest Kingston option is the Kingston NV3 1TB M.2 2280 NVMe SSD | PCIe 4.0 Gen 4x4 | Up to 6000 MB/s | SNV3S/1000G at $0.1650/GB ($164.99 for 1 TB).

What is the cheapest Unionsine hard drives & ssd per GB?

The cheapest Unionsine option is the UnionSine 500GB Ultra Slim Portable External Hard Drive HDD-USB 3.0 for PC, Mac, Laptop, PS4, Xbox one, Xbox 360-(Black) at $0.0615/GB ($30.73 for 500 GB).

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