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? Here's the honest call, 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.
- Among the fastest UHS-I read and write speeds in independent testing, with steady 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
| Samsung PRO Plus microSDXC (UHS-I, V30, A2) | 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 |
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).