Sigma vs Silicon Power SD Cards
Side-by-side price per gigabyte comparison across 9 products.
As of March 2026, Sigma averages $31.2494/GB across 1 products while Silicon Power averages $0.2781/GB across 8 products on BuyPerUnit. Silicon Power offers 99% better value per gigabyte for sd cards.
Sigma
Cheapest Product
Sigma 16mm f/1.4 DC DN Contemporary Lens for Sony E W/ 16GB SD Card & Travel Kit16GB · $499.99 · newegg
Silicon Power
Better ValueCheapest 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 | Sigma | Sigma 16mm f/1.4 DC DN Contemporary Lens for Sony E W/ 16GB SD Card & Travel Kit | 16GB | $31.2494 | $499.99 | 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 | 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 | 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 | 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 | 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 Sigma's $31.2494/GB — that's roughly 99% 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 Sigma's cheapest option is the Sigma 16mm f/1.4 DC DN Contemporary Lens for Sony E W/ 16GB SD Card & Travel Kit (16GB) at $31.2494/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 Sigma or Silicon Power cheaper per GB for sd cards?
As of March 2026, Silicon Power averages $0.2781/GB compared to Sigma at $31.2494/GB. Silicon Power is approximately 99% cheaper per gigabyte on average.
How many Sigma and Silicon Power sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 1 Sigma products and 8 Silicon Power products in the sd cards category, all ranked by price per gigabyte.
What is the cheapest Sigma sd card per GB?
The cheapest Sigma option is the Sigma 16mm f/1.4 DC DN Contemporary Lens for Sony E W/ 16GB SD Card & Travel Kit at $31.2494/GB ($499.99 for 16GB).
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).