sd ultra

Across the listings, capacities range from 32 GB up to 128 GB; 64 GB is also commonly offered, including on endurance-focused models.

The listings reference several video/speed classes, including V30, U3, U1 and Class 10 (V10). These ratings are cited in product descriptions for video and real‑time recording performance.

Cards are offered in microSD and full‑size SD form factors. Several listings note that a microSD‑to‑SD adapter is included for use in SD‑compatible devices.

Many listings highlight durability features such as waterproof, shockproof, X‑ray proof and temperature‑resistant construction. An 'Ultra Endurance' model is also described for heavy write workloads and long recording cycles.

Some microSD listings are A1‑rated; the listing notes this as an optimization for faster app launch and improved mobile app performance on supported devices.

One listing specifies an operating temperature range of −13 to 185°F. Other product descriptions reference performance in demanding or fluctuating temperatures but do not list a specific numeric range—check the individual product spec for exact operating limits.