128gb vs ADATA SD Cards
Side-by-side price per gigabyte comparison across 9 products.
As of March 2026, 128gb averages $0.7891/GB across 1 products while ADATA averages $0.3618/GB across 8 products on BuyPerUnit. ADATA offers 54% better value per gigabyte for sd cards.
128gb
ADATA
Better ValueCheapest 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
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | 128gb | 128gb Sdxc Class10 Uhs-i Card | 128GB | $0.7891 | $101.01 | newegg |
| 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 |
| 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 |
| 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 |
| 4 | ADATA | ADATA Premier 64GB Secure Digital Extended Capacity (SDXC) Flash Card | 64GB | $0.2238 | $14.32 | newegg |
| 5 | ADATA | 512GB AData Premier Extreme SD Express Card SDXC PCIe Gen3 UHS-I U3 SD7.0 | 512GB | $0.3678 | $188.33 | 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 128gb's $0.7891/GB — that's roughly 54% 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 128gb's cheapest option is the 128gb Sdxc Class10 Uhs-i Card (128GB) at $0.7891/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 128gb or ADATA cheaper per GB for sd cards?
As of March 2026, ADATA averages $0.3618/GB compared to 128gb at $0.7891/GB. ADATA is approximately 54% cheaper per gigabyte on average.
How many 128gb and ADATA sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 1 128gb products and 8 ADATA products in the sd cards category, all ranked by price per gigabyte.
What is the cheapest 128gb sd card per GB?
The cheapest 128gb option is the 128gb Sdxc Class10 Uhs-i Card at $0.7891/GB ($101.01 for 128GB).
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).