Bosonoo MicroSD Card
Fast, dependable 128 GB storage for cameras, handhelds and dash cams — with sustained write speeds that hold up when the card is nearly full.
Keep things
Bosonoo makes storage simple, honest and tested. We design products for real life, then verify them in our lab so you get the capacity, speed and reliability you were promised.
Honest capacity
Real capacity, not relabelled numbers. We test every batch.
Built to last
Engineered for daily use and tough conditions.
Open and transparent
We publish our tests and specs. Nothing to hide.
Made for real life
From weekend trips to daily workflows.
The Numbers
Specs can be confusing. Here is everything you need to know, in one place.
Read speed (up to)
100 MB/s
Write speed (up to)
60 MB/s
| Capacity | 256 GB |
| Interface | UHS-I |
| Speed class | U3 / V30 / A2 |
| Sequential read | 100 MB/s |
| Sequential write | 60 MB/s |
| Form factor | microSDXC |
| Dimensions | 15 x 11 x 1 mm |
| Warranty | 5 years limited |
What do these mean?
U3 – minimum 30 MB/s write speed. Ideal for 4K video and fast burst photography.
V30 – sustained write of 30 MB/s for smooth, high-resolution video.
A2 – improved app launch and performance on Android devices.
| Attributes | Value |
|---|---|
| Capacity |
64 GB, 256 GB, 128 GB, 512 GB, 1 TB, 2 TB |