Tech & Gadgets · Head-to-head
Samsung PRO Plus microSDXC (UHS-I, V30, A2) vs SanDisk Extreme microSDXC (UHS-I, V30, A2)
Which should you buy? Our verdict on both, pulled from our full The Best microSD Cards: 4 Compared (and One to Skip) comparison.
The Samsung PRO Plus is the best all-round UHS-I microSD card, combining top-tier real-world speed, A2 responsiveness, and a long warranty. The SanDisk Extreme matches it closely on capability and wins on sheer availability, making it the safest fallback.

Samsung PRO Plus microSDXC (UHS-I, V30, A2)
Buy itThe most well-rounded UHS-I card, pairing top-tier real-world speed with strong endurance and a long warranty.
- High rated UHS-I read and write speeds, with V30 sustained write for 4K
- A2-rated random performance keeps apps and file operations snappy from phone or tablet storage
- Samsung makes its own NAND and backs the card with a notably long limited warranty
- Advertised peak read leans on a fast reader; in-camera speeds are lower
- Priced above bargain cards of the same capacity

SanDisk Extreme microSDXC (UHS-I, V30, A2)
Buy itThe safe, everywhere-available workhorse that nails the essentials at a fair price.
- V30 and A2 ratings cover 4K recording and app-heavy use, with high rated read speeds
- Extremely widely stocked, so genuine cards are easy to source and returns are painless
- Rugged environmental ratings and long warranty coverage reported by owners
- Headline read speed requires SanDisk's own reader; typical readers see less
- Counterfeits circulate through third-party sellers, so buy from reputable channels
Side by side
The 7 criteria below are the ones our full comparison judged every product on, narrowed to these two.
| Samsung PRO Plus microSDXC (UHS-I, V30, A2) Our pick | SanDisk Extreme microSDXC (UHS-I, V30, A2) | |
|---|---|---|
| Our verdict | Buy | Buy |
| Best for | Anyone who wants one dependable card for a phone, action cam, drone, or mirrorless body without overthinking it. | Shooters and DIYers who want a proven, no-drama card that any store carries. |
| Price tier | $$ · mid-range | $$ · mid-range |
| Rated read speed (UHS-I) | Very high (rated, varies by capacity) | Very high (rated, varies by capacity) |
| Sustained 4K write | Strong | Strong |
| App / random I/O rating | A2 | A2 |
| Video speed class | V30 | V30 |
| Availability & anti-counterfeit confidence | Very good | Excellent (most widely stocked) |
| Warranty & brand support | Long limited warranty, first-party NAND | Long warranty, huge support footprint |
| Max capacity | Large capacities offered (check the maker page) | Large capacities offered (check the maker page) |
Which one is right for you?
Pick the Samsung PRO Plus microSDXC (UHS-I, V30, A2) if
anyone who wants one dependable card for a phone, action cam, drone, or mirrorless body without overthinking it.
Know before buying: advertised peak read leans on a fast reader; in-camera speeds are lower.
Pick the SanDisk Extreme microSDXC (UHS-I, V30, A2) if
shooters and DIYers who want a proven, no-drama card that any store carries.
Know before buying: headline read speed requires SanDisk's own reader; typical readers see less.
The bottom line
Our overall pick is the Samsung PRO Plus microSDXC (UHS-I, V30, A2) - The most well-rounded UHS-I card, pairing top-tier real-world speed with strong endurance and a long warranty. Choose the SanDisk Extreme microSDXC (UHS-I, V30, A2) instead if shooters and DIYers who want a proven, no-drama card that any store carries.
Want the full picture, including the other options we compared and the popular one we'd skip? Read the complete The Best microSD Cards: 4 Compared (and One to Skip).