ADATA vs Silicon Power SD Cards

Side-by-side price per gigabyte comparison across 16 products.

As of March 2026, ADATA averages $0.3618/GB across 8 products while Silicon Power averages $0.2781/GB across 8 products on BuyPerUnit. Silicon Power offers 23% better value per gigabyte for sd cards.

ADATA

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

Silicon Power

Better Value

Avg $/GB$0.2781

Best $/GB$0.1378

Price Range$0.1378 – $0.5934

Products8

Cheapest Product

Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP)

1TB · $137.79 · 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	$0.1361	$69.67	newegg
1	Silicon Power	Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP)	1TB	$0.1378	$137.79	newegg
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	Silicon Power	Silicon Power 128GB Elite SDXC UHS-I/U1 Class 10 Memory Card, Speed Up to 85MB/s (SP128GBSDXAU1V10)	128GB	$0.1562	$19.99	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	Silicon Power	Silicon Power 1TB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter	1TB	$0.1598	$159.79	newegg
4	ADATA	ADATA Premier 64GB Secure Digital Extended Capacity (SDXC) Flash Card	64GB	$0.2238	$14.32	newegg
4	Silicon Power	Silicon Power Elite microSDXC 256GB CL10 UHS-1 Full HD 100MB/sec Memory Card w/Adapter Modle	256GB	$0.2343	$59.99	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	Silicon Power	Silicon Power 64GB Elite SDXC UHS-I/U1 Class 10 Memory Card , Speed Up to 85MB/s (SP064GBSDXAU1V10)	64GB	$0.2498	$15.99	newegg

Which Should You Buy?

Based on current pricing data, Silicon Power offers better overall value for sd cards at an average of $0.2781/GB compared to ADATA's $0.3618/GB — that's roughly 23% less per gigabyte.

Silicon Power's best deal is the Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) (1TB) at $0.1378/GB, while ADATA's cheapest 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) (512GB) at $0.1361/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 Silicon Power cheaper per GB for sd cards?

As of March 2026, Silicon Power averages $0.2781/GB compared to ADATA at $0.3618/GB. Silicon Power is approximately 23% cheaper per gigabyte on average.

How many ADATA and Silicon Power sd cards does BuyPerUnit track?

BuyPerUnit currently tracks 8 ADATA products and 8 Silicon Power 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 Silicon Power sd card per GB?

The cheapest Silicon Power option is the Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) at $0.1378/GB ($137.79 for 1TB).

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