4ch vs Silicon Power SD Cards
Side-by-side price per gigabyte comparison across 9 products.
As of March 2026, 4ch averages $0.1336/GB across 1 products while Silicon Power averages $0.2781/GB across 8 products on BuyPerUnit. 4ch offers 52% better value per gigabyte for sd cards.
4ch
Better ValueCheapest Product
4CH MDVR Loop Recording Support 512GB For Single SD Card Mobile DVR For Bus Truck512GB · $68.42 · newegg
Silicon Power
Cheapest 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 | 4ch | 4CH MDVR Loop Recording Support 512GB For Single SD Card Mobile DVR For Bus Truck | 512GB | $0.1336 | $68.42 | 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, 4ch offers better overall value for sd cards at an average of $0.1336/GB compared to Silicon Power's $0.2781/GB — that's roughly 52% less per gigabyte.
4ch's best deal is the 4CH MDVR Loop Recording Support 512GB For Single SD Card Mobile DVR For Bus Truck (512GB) at $0.1336/GB, while Silicon Power's cheapest option is the Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) (1TB) at $0.1378/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 4ch or Silicon Power cheaper per GB for sd cards?
As of March 2026, 4ch averages $0.1336/GB compared to Silicon Power at $0.2781/GB. 4ch is approximately 52% cheaper per gigabyte on average.
How many 4ch and Silicon Power sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 1 4ch products and 8 Silicon Power products in the sd cards category, all ranked by price per gigabyte.
What is the cheapest 4ch sd card per GB?
The cheapest 4ch option is the 4CH MDVR Loop Recording Support 512GB For Single SD Card Mobile DVR For Bus Truck at $0.1336/GB ($68.42 for 512GB).
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).