ADATA vs SanDisk SD Cards

Side-by-side price per gigabyte comparison across 353 products.

As of May 2026, ADATA averages $0.4073/GB across 9 products while SanDisk averages $1.8370/GB across 344 products on BuyPerUnit. ADATA offers 78% better value per gigabyte for sd cards.

ADATA

Better Value

Avg $/GB$0.4073

Best $/GB$0.1792

Price Range$0.1792 – $1.0291

Products9

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 · $91.76 · newegg

SanDisk

Avg $/GB$1.8370

Best $/GB$0.1209

Price Range$0.1209 – $166.3562

Products344

Cheapest Product

SanDisk SDSQUA4-400G-GN6MN MAT 400GB 8pin microSDXC r120MB/s C10 U1 A1 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail

400GB · $48.35 · newegg

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	$0.1792	$91.76	newegg
1	SanDisk	SanDisk SDSQUA4-400G-GN6MN MAT 400GB 8pin microSDXC r120MB/s C10 U1 A1 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail	400GB	$0.1209	$48.35	newegg
2	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
2	SanDisk	SANDISK - Ultra PLUS 1.5TB microSDXC UHS-I Memory Card	1.5 TB	$0.1293	$193.99	bestbuy
3	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	$0.2126	$54.43	newegg
3	SanDisk	SanDisk 512GB Ultra SDXC UHS-I / Class 10 Memory Card, Speed Up to 120MB/s (SDSDUN4-512G-GN6IN)	512GB	$0.1562	$79.99	newegg
4	ADATA	ADATA Premier 64GB Secure Digital Extended Capacity (SDXC) Flash Card	64GB	$0.3134	$20.06	newegg
4	SanDisk	SanDisk 512GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 120MB/s (SDSQUA4-512G-GN6MA)	512GB	$0.1605	$82.20	newegg
5	ADATA	ADATA 64GB Premier Pro microSDXC UHS-I U3 / Class 10 V30 A2 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX64GUI3V30SA2-RA1)	64GB	$0.3692	$23.63	newegg
5	SanDisk	SanDisk 256GB Ultra microSDXC A1 UHS-I/U1 Class 10 Memory Card with Adapter, Speed Up to 100MB/s (SDSQUAR-256G-GN6MA)	256GB	$0.1679	$42.97	newegg

Which Should You Buy?

Based on current pricing data, ADATA offers better overall value for sd cards at an average of $0.4073/GB compared to SanDisk's $1.8370/GB — that's roughly 78% 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 $0.1792/GB, while SanDisk's cheapest option is the SanDisk SDSQUA4-400G-GN6MN MAT 400GB 8pin microSDXC r120MB/s C10 U1 A1 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail (400GB) at $0.1209/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 SanDisk cheaper per GB for sd cards?

As of May 2026, ADATA averages $0.4073/GB compared to SanDisk at $1.8370/GB. ADATA is approximately 78% cheaper per gigabyte on average.

How many ADATA and SanDisk sd cards does BuyPerUnit track?

BuyPerUnit currently tracks 9 ADATA products and 344 SanDisk 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 $0.1792/GB ($91.76 for 512GB).

What is the cheapest SanDisk sd card per GB?

The cheapest SanDisk option is the SanDisk SDSQUA4-400G-GN6MN MAT 400GB 8pin microSDXC r120MB/s C10 U1 A1 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail at $0.1209/GB ($48.35 for 400GB).

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