ADATA vs Western Digital SD Cards
Side-by-side price per gigabyte comparison across 6 products.
As of June 2026, ADATA averages $0.3616/GB across 4 products while Western Digital averages $0.5387/GB across 2 products on BuyPerUnit. ADATA offers 33% better value per gigabyte for sd cards.
ADATA
Better ValueCheapest Product
ADATA 128GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX128GUICL10A1-RA1)128GB · $26.97 · newegg
Western Digital
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | ADATA | ADATA 128GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX128GUICL10A1-RA1) | 128GB | $0.2107 | $26.97 | newegg |
| 1 | Western Digital | WD Purple WDD100T1P0C 1 TB Class 10/UHS-I U1 microSDXC | 1TB | $0.2778 | $277.84 | newegg |
| 2 | ADATA | ADATA Premier 64GB Secure Digital Extended Capacity (SDXC) Flash Card | 64GB | $0.3116 | $19.94 | newegg |
| 2 | Western Digital | Western Digital - WDD512G1P0C - WD Purple WDD512G1P0C 512 GB Class 10/UHS-I (U1) microSDXC | 512GB | $0.7996 | $409.41 | newegg |
| 3 | ADATA | 512GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 | 512GB | $0.3717 | $190.32 | newegg |
| 4 | ADATA | ADATA Premier 32GB Secure Digital High-Capacity (SDHC) Class 10 Flash Card Model ASDH32GUICL10-R | 32GB | $0.5525 | $17.68 | newegg |
Which Should You Buy?
Based on current pricing data, ADATA offers better overall value for sd cards at an average of $0.3616/GB compared to Western Digital's $0.5387/GB — that's roughly 33% less per gigabyte.
ADATA's best deal is the ADATA 128GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX128GUICL10A1-RA1) (128GB) at $0.2107/GB, while Western Digital's cheapest option is the WD Purple WDD100T1P0C 1 TB Class 10/UHS-I U1 microSDXC (1TB) at $0.2778/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 Western Digital cheaper per GB for sd cards?
As of June 2026, ADATA averages $0.3616/GB compared to Western Digital at $0.5387/GB. ADATA is approximately 33% cheaper per gigabyte on average.
How many ADATA and Western Digital sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 4 ADATA products and 2 Western Digital 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 128GB Premier microSDXC UHS-I / Class 10 V10 A1 Memory Card with SD Adapter, Speed Up to 100MB/s (AUSDX128GUICL10A1-RA1) at $0.2107/GB ($26.97 for 128GB).
What is the cheapest Western Digital sd card per GB?
The cheapest Western Digital option is the WD Purple WDD100T1P0C 1 TB Class 10/UHS-I U1 microSDXC at $0.2778/GB ($277.84 for 1TB).