Digital vs Sigma SD Cards
Side-by-side price per gigabyte comparison across 2 products.
As of March 2026, Digital averages $51.3713/GB across 1 products while Sigma averages $31.2494/GB across 1 products on BuyPerUnit. Sigma offers 39% better value per gigabyte for sd cards.
Digital
Cheapest Product
Digital Speed 2500X 8GB Professional High Speed Mach III 350MB/s Error Free (SDHC) HD Memory Card Class 108GB · $410.97 · newegg
Sigma
Better ValueCheapest Product
Sigma 16mm f/1.4 DC DN Contemporary Lens for Sony E W/ 16GB SD Card & Travel Kit16GB · $499.99 · newegg
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | Digital | Digital Speed 2500X 8GB Professional High Speed Mach III 350MB/s Error Free (SDHC) HD Memory Card Class 10 | 8GB | $51.3713 | $410.97 | newegg |
| 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 |
Which Should You Buy?
Based on current pricing data, Sigma offers better overall value for sd cards at an average of $31.2494/GB compared to Digital's $51.3713/GB — that's roughly 39% less per gigabyte.
Sigma's best deal 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, while Digital's cheapest option is the Digital Speed 2500X 8GB Professional High Speed Mach III 350MB/s Error Free (SDHC) HD Memory Card Class 10 (8GB) at $51.3713/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 Digital or Sigma cheaper per GB for sd cards?
As of March 2026, Sigma averages $31.2494/GB compared to Digital at $51.3713/GB. Sigma is approximately 39% cheaper per gigabyte on average.
How many Digital and Sigma sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 1 Digital products and 1 Sigma products in the sd cards category, all ranked by price per gigabyte.
What is the cheapest Digital sd card per GB?
The cheapest Digital option is the Digital Speed 2500X 8GB Professional High Speed Mach III 350MB/s Error Free (SDHC) HD Memory Card Class 10 at $51.3713/GB ($410.97 for 8GB).
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).