Silicon Power vs Western Digital SD Cards
Side-by-side price per gigabyte comparison across 5 products.
As of June 2026, Silicon Power averages $0.9694/GB across 3 products while Western Digital averages $0.5387/GB across 2 products on BuyPerUnit. Western Digital offers 44% better value per gigabyte for sd cards.
Silicon Power
Cheapest Product
Silicon Power 1TB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter1TB · $159.79 · newegg
Western Digital
Better ValueTop Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | 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 |
| 1 | Western Digital | WD Purple WDD100T1P0C 1 TB Class 10/UHS-I U1 microSDXC | 1TB | $0.2778 | $277.84 | newegg |
| 2 | Silicon Power | Silicon Power 32GB microSD Memory Card SDHC Class 10 w/ SD adapter Model SP032GBSTH010V10SP | 32GB | $0.6247 | $19.99 | newegg |
| 2 | Western Digital | Western Digital - WDD512G1P0C - WD Purple WDD512G1P0C 512 GB Class 10/UHS-I (U1) microSDXC | 512GB | $0.7996 | $409.41 | newegg |
| 3 | Silicon Power | 8GB Silicon Power microSD Memory Card SDHC Class 10 w/ SD adapter (SP008GBSTH010V10SP) 40MB/sec | 8GB | $2.1237 | $16.99 | newegg |
Which Should You Buy?
Based on current pricing data, Western Digital offers better overall value for sd cards at an average of $0.5387/GB compared to Silicon Power's $0.9694/GB — that's roughly 44% less per gigabyte.
Western Digital's best deal is the WD Purple WDD100T1P0C 1 TB Class 10/UHS-I U1 microSDXC (1TB) at $0.2778/GB, while Silicon Power's cheapest option is the Silicon Power 1TB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter (1TB) at $0.1598/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 Silicon Power or Western Digital cheaper per GB for sd cards?
As of June 2026, Western Digital averages $0.5387/GB compared to Silicon Power at $0.9694/GB. Western Digital is approximately 44% cheaper per gigabyte on average.
How many Silicon Power and Western Digital sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 3 Silicon Power products and 2 Western Digital products in the sd cards category, all ranked by price per gigabyte.
What is the cheapest Silicon Power sd card per GB?
The cheapest Silicon Power option is the Silicon Power 1TB Superior Micro SDXC UHS-I (U3), V30 4K A2, High Speed MicroSD Card with Adapter at $0.1598/GB ($159.79 for 1TB).
What is the cheapest Western Digital sd card per GB?
The cheapest Western Digital option is the WD Purple WDD100T1P0C 1 TB Class 10/UHS-I U1 microSDXC at $0.2778/GB ($277.84 for 1TB).