Gigastone vs Unirex SD Cards

Side-by-side price per gigabyte comparison across 24 products.

As of March 2026, Gigastone averages $1.7423/GB across 18 products while Unirex averages $0.4149/GB across 6 products on BuyPerUnit. Unirex offers 76% better value per gigabyte for sd cards.

Gigastone

Avg $/GB$1.7423

Best $/GB$0.2929

Price Range$0.2929 – $12.4975

Products18

Cheapest Product

[5-Yrs Free Data Recovery] GIGASTONE 512GB Micro SD Card, TLC High Endurance Pro, Speed Up to 140/120 MB/s, Compatible with REDTIGER Rove VIOFO VANTRUE PRUVEEO Dash Cam, MicroSDXC UHS-I A1 V30 U3

512 GB · $149.99 · 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	Gigastone	[5-Yrs Free Data Recovery] GIGASTONE 512GB Micro SD Card, TLC High Endurance Pro, Speed Up to 140/120 MB/s, Compatible with REDTIGER Rove VIOFO VANTRUE PRUVEEO Dash Cam, MicroSDXC UHS-I A1 V30 U3	512 GB	$0.2929	$149.99	amazon
1	Unirex	Unirex UMS645MUHS1 64GB microSDHC Card	64GB	$0.1873	$11.99	newegg
2	Gigastone	【5-Years Data Recovery】GIGASTONE 128GB SD Card, 4K Camera Pro, A1 V30 SDXC Memory Card 4K UHD Video Compatible with Canon Digital Camera, with 1 Mini Cases	128 GB	$0.3046	$38.99	amazon
2	Unirex	Unirex Full Size SD Card 64GB	64GB	$0.3123	$19.99	newegg
3	Gigastone	【5-Years Data Recovery】 GIGASTONE 256GB SD Card, 4K Camera Pro, A1 V30 SDXC Memory Card 4K UHD Video Compatible with Canon Digital Camera, with 1 Mini Case	256 GB	$0.3320	$84.99	amazon
3	Unirex	Unirex MSU325 32GB MicroSD Card	32GB	$0.3434	$10.99	newegg
4	Gigastone	Gigastone 512GB Micro SD Card, 4K Video Pro, GoPro, Surveillance, Security Camera, Action Camera, Drone, 100MB/s MicoSDXC Memory Card UHS-I V30...	512GB	$0.3632	$185.98	newegg
4	Unirex	Unirex MSW325M 4-in-1 Usb/Micro USB Reader and SD Adapter (32GB)	32GB	$0.3975	$12.72	newegg
5	Gigastone	Gigastone 1TB Micro SD Card, 4K Video Pro, GoPro, Surveillance, Security Camera, Action Camera, Drone, 140MB/s MicoSDXC Memory Card UHS-I V30 Class 10	1TB	$0.3720	$371.98	newegg
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 Gigastone's $1.7423/GB — that's roughly 76% less per gigabyte.

Unirex's best deal is the Unirex UMS645MUHS1 64GB microSDHC Card (64GB) at $0.1873/GB, while Gigastone's cheapest option is the [5-Yrs Free Data Recovery] GIGASTONE 512GB Micro SD Card, TLC High Endurance Pro, Speed Up to 140/120 MB/s, Compatible with REDTIGER Rove VIOFO VANTRUE PRUVEEO Dash Cam, MicroSDXC UHS-I A1 V30 U3 (512 GB) at $0.2929/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 Gigastone or Unirex cheaper per GB for sd cards?

As of March 2026, Unirex averages $0.4149/GB compared to Gigastone at $1.7423/GB. Unirex is approximately 76% cheaper per gigabyte on average.

How many Gigastone and Unirex sd cards does BuyPerUnit track?

BuyPerUnit currently tracks 18 Gigastone products and 6 Unirex products in the sd cards category, all ranked by price per gigabyte.

What is the cheapest Gigastone sd card per GB?

The cheapest Gigastone option is the [5-Yrs Free Data Recovery] GIGASTONE 512GB Micro SD Card, TLC High Endurance Pro, Speed Up to 140/120 MB/s, Compatible with REDTIGER Rove VIOFO VANTRUE PRUVEEO Dash Cam, MicroSDXC UHS-I A1 V30 U3 at $0.2929/GB ($149.99 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).

Explore More

All SD Cards Gigastone SD Cards Unirex SD Cards

View all SD Cards