SanDisk vs Sp Silicon Power SD Cards
Side-by-side price per gigabyte comparison across 255 products.
As of March 2026, SanDisk averages $0.8130/GB across 253 products while Sp Silicon Power averages $0.4096/GB across 2 products on BuyPerUnit. Sp Silicon Power offers 50% better value per gigabyte for sd cards.
SanDisk
Cheapest 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 · $29.27 · amazon
Sp Silicon Power
Better ValueCheapest Product
Silicon Power 128GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card for Cams, DJI Pocket and Drones128 GB · $24.97 · amazon
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 | $0.1143 | $29.27 | amazon |
| 1 | Sp Silicon Power | Silicon Power 128GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card for Cams, DJI Pocket and Drones | 128 GB | $0.1951 | $24.97 | amazon |
| 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 |
| 2 | Sp Silicon Power | Silicon Power 32GB 3D NAND High Speed MicroSD Card with Adapter | 32 GB | $0.6241 | $19.97 | amazon |
| 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, Sp Silicon Power offers better overall value for sd cards at an average of $0.4096/GB compared to SanDisk's $0.8130/GB — that's roughly 50% less per gigabyte.
Sp Silicon Power's best deal is the Silicon Power 128GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card for Cams, DJI Pocket and Drones (128 GB) at $0.1951/GB, while SanDisk's cheapest 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 (256 GB) at $0.1143/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 Sp Silicon Power cheaper per GB for sd cards?
As of March 2026, Sp Silicon Power averages $0.4096/GB compared to SanDisk at $0.8130/GB. Sp Silicon Power is approximately 50% cheaper per gigabyte on average.
How many SanDisk and Sp Silicon Power sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 253 SanDisk products and 2 Sp Silicon Power 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 $0.1143/GB ($29.27 for 256 GB).
What is the cheapest Sp Silicon Power sd card per GB?
The cheapest Sp Silicon Power option is the Silicon Power 128GB Micro SD Card U3 SDXC Up to 100MB/s High Speed Memory Card for Cams, DJI Pocket and Drones at $0.1951/GB ($24.97 for 128 GB).