SDHC/SDXC (standard/camera), microSD (drones/phones), and CompactFlash (industrial/high-res video). Speed Classes: V30/U3: Minimum for 4K video recording.
Here is a report on the current state of flash memory cards (SD, microSD, and CompactFlash): 1. Market Outlook: 2026 Shortage
High-capacity (512GB+) cards are experiencing stockouts.
Based on reports and market data as of early 2026, the flash memory card landscape is currently dominated by a severe supply shortage driven by AI data center demand, leading to rapidly rising prices.
UHS-II offers much faster transfer speeds for burst shooting but requires compatible devices to realize the full speed.
NAND flash prices are rising rapidly due to high demand from AI sectors, with analysts expecting limited supply throughout 2026.
Purchase necessary storage early to avoid higher costs, as 10-20% weekly price increases have been reported. 2. Key Technology and Performance Standards