ADATA vs SanDisk SD Cards

Side-by-side price per gigabyte comparison across 261 products.

As of March 2026, ADATA averages $0.3618/GB across 8 products while SanDisk averages $0.8155/GB across 253 products on BuyPerUnit. ADATA offers 56% 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

SanDisk

Avg $/GB$0.8155

Best $/GB$0.1102

Price Range$0.1102 – $41.0930

Products253

Cheapest Product

SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-256G-GN6MA

256 GB · $28.20 · 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	SanDisk	SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-256G-GN6MA	256 GB	$0.1102	$28.20	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	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
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	SanDisk	SANDISK - Ultra PLUS 1.5TB microSDXC UHS-I Memory Card	1.5 TB	$0.1293	$193.99	bestbuy
4	ADATA	ADATA Premier 64GB Secure Digital Extended Capacity (SDXC) Flash Card	64GB	$0.2238	$14.32	newegg
4	SanDisk	SanDisk SDSDUNR-256G-GN3IN DHE 256GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail	256GB	$0.1313	$33.60	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	SanDisk	SanDisk Ultra Plus 128GB SDXC UHS-I Memory Card	128 GB	$0.1395	$17.85	amazon

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 SanDisk's $0.8155/GB — that's roughly 56% 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 SanDisk's cheapest option is the SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-256G-GN6MA (256 GB) at $0.1102/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 March 2026, ADATA averages $0.3618/GB compared to SanDisk at $0.8155/GB. ADATA is approximately 56% cheaper per gigabyte on average.

How many ADATA and SanDisk sd cards does BuyPerUnit track?

BuyPerUnit currently tracks 8 ADATA products and 253 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 $0.1361/GB ($69.67 for 512GB).

What is the cheapest SanDisk sd card per GB?

The cheapest SanDisk option is the SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-256G-GN6MA at $0.1102/GB ($28.20 for 256 GB).

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