SanDisk vs Sigma SD Cards
Side-by-side price per gigabyte comparison across 253 products.
As of March 2026, SanDisk averages $0.8146/GB across 252 products while Sigma averages $31.2494/GB across 1 products on BuyPerUnit. SanDisk offers 97% better value per gigabyte for sd cards.
SanDisk
Better ValueCheapest Product
SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-256G-GN6MA256 GB · $28.20 · amazon
Sigma
Cheapest 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 | SanDisk | SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-256G-GN6MA | 256 GB | $0.1102 | $28.20 | amazon |
| 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 |
| 2 | SanDisk | SanDisk SDSQUA4-400G-GN6MN MAT 400GB 8pin microSDXC r120MB/s C10 U1 A1 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail | 400GB | $0.1209 | $48.35 | newegg |
| 3 | SanDisk | SANDISK - Ultra PLUS 1.5TB microSDXC UHS-I Memory Card | 1.5 TB | $0.1293 | $193.99 | bestbuy |
| 4 | SanDisk | SanDisk SDSDUNR-256G-GN3IN DHE 256GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail | 256GB | $0.1313 | $33.60 | newegg |
| 5 | SanDisk | SanDisk Ultra Plus 128GB SDXC UHS-I Memory Card | 128 GB | $0.1395 | $17.85 | amazon |
Which Should You Buy?
Based on current pricing data, SanDisk offers better overall value for sd cards at an average of $0.8146/GB compared to Sigma's $31.2494/GB — that's roughly 97% less per gigabyte.
SanDisk's best deal is the SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-256G-GN6MA (256 GB) at $0.1102/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 SanDisk or Sigma cheaper per GB for sd cards?
As of March 2026, SanDisk averages $0.8146/GB compared to Sigma at $31.2494/GB. SanDisk is approximately 97% cheaper per gigabyte on average.
How many SanDisk and Sigma sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 252 SanDisk products and 1 Sigma products in the sd cards category, all ranked by price per gigabyte.
What is the cheapest SanDisk sd card per GB?
The cheapest SanDisk option is the SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-256G-GN6MA at $0.1102/GB ($28.20 for 256 GB).
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).