SanDisk SDSDU-032G-U46 Ultra 32GB SDHC Memory Card

The SanDisk Ultra SDSDU-032G-U46 is a 32GB SDHC memory card operating on the UHS-I bus with a Class 10 speed rating and a published read ceiling of 30MB/s. Class 10 is the critical threshold for 1080p Full HD video: it guarantees the card can sustain at least 10MB/s write throughput, which is the minimum required to avoid frame-drop artifacts during continuous recording. The UHS-I interface pushes that read ceiling higher, meaning data moves off the card to a computer or card reader at up to 30MB/s — roughly twice the throughput of a standard Class 4 card. The 32GB capacity sits at the SDHC format ceiling, delivering a practical balance between storage depth and cost before you move to the SDXC standard.

This card is engineered for compact to mid-range cameras and camcorders where the bottleneck is rarely the card bus, and reliability matters more than chasing peak write numbers. Photographers shooting JPEG-primary workflows, videographers capturing 1080p clips, and travelers who want a single card that covers stills and video will find the capacity and read speed well-matched to their demands. The shock, water, and temperature-resistance ratings add meaningful durability without the price premium of the Extreme or Extreme Pro lines. It is not the right card for 4K capture or high-speed RAW bursts — those workflows demand cards with specified write speeds well above 10MB/s — but for its intended audience, it delivers consistent, predictable performance.