Samsung vs Unirex SD Cards

Side-by-side price per gigabyte comparison across 26 products.

As of March 2026, Samsung averages $0.4577/GB across 20 products while Unirex averages $0.4149/GB across 6 products on BuyPerUnit. Unirex offers 9% better value per gigabyte for sd cards.

Samsung

Avg $/GB$0.4577

Best $/GB$0.1308

Price Range$0.1308 – $2.1869

Products20

Cheapest Product

Samsung EVO Select microSDMemory Card + Adapter, 512GB microSDXC, Up-to 160 MB/s, 4K UHD, UHS-I, C10, U3, V30, A2, for Mobile Phone, Smartphones, Nintendo-Switch, and Tablets (MB-ME512SA/AM)

512 GB · $66.99 · amazon

Unirex

Better Value

Avg $/GB$0.4149

Best $/GB$0.1873

Price Range$0.1873 – $0.6244

Products6

Cheapest Product

Unirex UMS645MUHS1 64GB microSDHC Card

64GB · $11.99 · newegg

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	Samsung	Samsung EVO Select microSDMemory Card + Adapter, 512GB microSDXC, Up-to 160 MB/s, 4K UHD, UHS-I, C10, U3, V30, A2, for Mobile Phone, Smartphones, Nintendo-Switch, and Tablets (MB-ME512SA/AM)	512 GB	$0.1308	$66.99	amazon
1	Unirex	Unirex UMS645MUHS1 64GB microSDHC Card	64GB	$0.1873	$11.99	newegg
2	Samsung	SAMSUNG EVO Select Micro SD-Memory-Card + Adapter, 512GB microSDXC 130MB/s Full HD & 4K UHD, UHS-I, U3, A2, V30, Expanded Storage for Android Smartphones, Tablets, Nintendo-Switch (MB-ME512KA/AM)	512 GB	$0.1387	$70.99	amazon
2	Unirex	Unirex Full Size SD Card 64GB	64GB	$0.3123	$19.99	newegg
3	Samsung	SAMSUNG EVO Select Micro SD-Memory-Card + Adapter, 256GB microSDXC 130MB/s Full HD & 4K UHD, UHS-I, U3, A2, V30, Expanded Storage for Android Smartphones, Tablets, Nintendo-Switch (MB-ME256KA/AM)	256 GB	$0.1640	$41.99	amazon
3	Unirex	Unirex MSU325 32GB MicroSD Card	32GB	$0.3434	$10.99	newegg
4	Samsung	Samsung P9 Express microSD Express Card, 256GB microSDXC Memory Card, Up to 800 MB/s, for Nintendo-Switch ™ 2, (MB MK256T/AM)	256 GB	$0.1757	$44.99	amazon
4	Unirex	Unirex MSW325M 4-in-1 Usb/Micro USB Reader and SD Adapter (32GB)	32GB	$0.3975	$12.72	newegg
5	Samsung	Samsung - Pro Ultimate and Reader 512GB microSDXC Memory Card	512 GB	$0.1777	$90.99	bestbuy
5	Unirex	Unirex 16Gb Microsd Card With Sd Adapter, Msu165	16GB	$0.6244	$9.99	newegg

Which Should You Buy?

Based on current pricing data, Unirex offers better overall value for sd cards at an average of $0.4149/GB compared to Samsung's $0.4577/GB — that's roughly 9% less per gigabyte.

Unirex's best deal is the Unirex UMS645MUHS1 64GB microSDHC Card (64GB) at $0.1873/GB, while Samsung's cheapest option is the Samsung EVO Select microSDMemory Card + Adapter, 512GB microSDXC, Up-to 160 MB/s, 4K UHD, UHS-I, C10, U3, V30, A2, for Mobile Phone, Smartphones, Nintendo-Switch, and Tablets (MB-ME512SA/AM) (512 GB) at $0.1308/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 Samsung or Unirex cheaper per GB for sd cards?

As of March 2026, Unirex averages $0.4149/GB compared to Samsung at $0.4577/GB. Unirex is approximately 9% cheaper per gigabyte on average.

How many Samsung and Unirex sd cards does BuyPerUnit track?

BuyPerUnit currently tracks 20 Samsung products and 6 Unirex products in the sd cards category, all ranked by price per gigabyte.

What is the cheapest Samsung sd card per GB?

The cheapest Samsung option is the Samsung EVO Select microSDMemory Card + Adapter, 512GB microSDXC, Up-to 160 MB/s, 4K UHD, UHS-I, C10, U3, V30, A2, for Mobile Phone, Smartphones, Nintendo-Switch, and Tablets (MB-ME512SA/AM) at $0.1308/GB ($66.99 for 512 GB).

What is the cheapest Unirex sd card per GB?

The cheapest Unirex option is the Unirex UMS645MUHS1 64GB microSDHC Card at $0.1873/GB ($11.99 for 64GB).

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