ADATA vs Gigastone SD Cards

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

As of March 2026, ADATA averages $0.3618/GB across 8 products while Gigastone averages $1.7423/GB across 18 products on BuyPerUnit. ADATA offers 79% better value per gigabyte for sd cards.

ADATA

Better Value

Avg $/GB$0.3618

Best $/GB$0.1361

Price Range$0.1361 – $1.0094

Products8

Cheapest Product

ADATA 512GB Premier Pro microSDXC UHS-I U3 / Class 10 V30 A2 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX512GUI3V30SA2-RA1)

512GB · $69.67 · newegg

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

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
1	ADATA	ADATA 512GB Premier Pro microSDXC UHS-I U3 / Class 10 V30 A2 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX512GUI3V30SA2-RA1)	512GB	$0.1361	$69.67	newegg
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
2	ADATA	ADATA 256GB Premier Pro microSDXC UHS-I U3 / Class 10 V30 A2 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX256GUI3V30SA2-RA1)	256GB	$0.1562	$39.99	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
3	ADATA	ADATA 128GB Premier microSDXC UHS-I / Class 10 Memory Card with SD Adapter, Speed Up to 85MB/s (AUSDX128GUICL10 85-RA1)	128GB	$0.1945	$24.90	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
4	ADATA	ADATA Premier 64GB Secure Digital Extended Capacity (SDXC) Flash Card	64GB	$0.2238	$14.32	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
5	ADATA	512GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0	512GB	$0.3678	$188.33	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

Which Should You Buy?

Based on current pricing data, ADATA offers better overall value for sd cards at an average of $0.3618/GB compared to Gigastone's $1.7423/GB — that's roughly 79% less per gigabyte.

ADATA's best deal is the ADATA 512GB Premier Pro microSDXC UHS-I U3 / Class 10 V30 A2 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX512GUI3V30SA2-RA1) (512GB) at $0.1361/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 ADATA or Gigastone cheaper per GB for sd cards?

As of March 2026, ADATA averages $0.3618/GB compared to Gigastone at $1.7423/GB. ADATA is approximately 79% cheaper per gigabyte on average.

How many ADATA and Gigastone sd cards does BuyPerUnit track?

BuyPerUnit currently tracks 8 ADATA products and 18 Gigastone products in the sd cards category, all ranked by price per gigabyte.

What is the cheapest ADATA sd card per GB?

The cheapest ADATA option is the ADATA 512GB Premier Pro microSDXC UHS-I U3 / Class 10 V30 A2 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX512GUI3V30SA2-RA1) at $0.1361/GB ($69.67 for 512GB).

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).

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