Memory Cards
SanDisk Extreme microSDXC UHS-I Card
190 MB/s A2 microSD with QuickFlow transfer optimisation
- Manufacturer
- SanDisk
- Interface
- microSD UHS-I
- Form factor
- microSDXC
- Category
- Memory Cards & USB Flash
- Series
- Memory Cards
- Status
- Mass Production

Image: sandisk.com
A2 V30 microSDXC at up to 190 MB/s read and 130 MB/s write, tuned for action cameras, drones, and phones.
Capacities
Overview
What this part is for
Extreme sits one step below Extreme PRO and covers the same jobs at a lower cost per gigabyte: action cameras, drones, and smartphones shooting 4K UHD. Read speeds reach 190 MB/s on 64 GB and larger, with writes up to 130 MB/s at 256 GB and above (90 MB/s at 128 GB).
SanDisk QuickFlow technology, included on 64 GB to 1 TB capacities, shortens media offload times, while U3 and V30 hold the sustained 30 MB/s write that 4K capture requires. The A2 rating delivers 4,000 read and 2,000 write IOPS for app-heavy use.
Datasheet
Specifications
8 rows, factory-original data
| Interface | microSD UHS-I |
|---|---|
| Form Factor | microSDXC / microSDHC |
| Capacities | 32 GB to 1 TB |
| Sequential Read | Up to 190 MB/s |
| Sequential Write | Up to 130 MB/s (256 GB and above) |
| Speed Class | C10, U3, V30, A2 |
| Features | SanDisk QuickFlow (64 GB to 1 TB) |
| Included | SD adapter |
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