Samsung PRO Ultimate MB-MY512SA microSDXC Card 512GB
- 512GB microSDXC
- Up to 200/130 MB/s read/write with Samsung readers
- U3, V30, A2, Class 10
- Water, temperature, X-ray, magnetic, drop and wear protection
- 10 year limited warranty
- Adapter included
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A fast, tough microSD card for action cams, drones, phones and handheld gaming, backed by a long warranty. Top speeds need a Samsung reader.
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ASIN: B0CF7QBT92Category: Micro SD Cards
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Overview
Creators shooting Ultra HD on action cams and drones get a fast, rugged card that records steadily and offloads quickly. It shrugs off water, extreme temperatures, X-rays, magnets and drops, and an adapter fits full size SD slots.
Fast writes and the video speed rating make Ultra HD recording smooth, and the protections cover the abuse cameras face outdoors. Peak read speeds rely on a compatible Samsung reader.
Who it's for
Drone and action cam shooters, mobile gamers and phone users needing extra storage get speed and durability. Older devices may not reach the rated speeds.
Pros and cons
- Fast read and write
- V30 for 4K recording
- A2 for app performance
- Six way protection
- Peak speeds need Samsung readers
- Protections exclude the adapter
- Small card is easy to misplace
Performance notes
Recording stability comes from the sustained write rate behind the video speed rating, which stops Ultra HD video from dropping frames. Transfer speed depends on the reader, with Samsung readers reaching the rated maximum.
Specifications
| Brand | Samsung |
|---|---|
| Capacity & performance | |
| Memory storage capacity | 512 GB |
| Read speed | Up to 200 MB/s |
| Speed class | U3, V30, A2, Class 10 |
| A2 performance | 4000 read IOPS, 2000 write IOPS |
| Temperature range | -13F to 185F operating |
| Write speed | Up to 130 MB/s |
| Included components | |
| Included components | microSD card, adapter |
| Warranty & support | |
| Warranty description | 10 year limited |
| Other details | |
| Waterproof | Up to 72 hours in seawater |
| Magnetic resistance | Up to 15,000 gauss |
| Xray resistance | Up to 100mGy |
| Drop resistance | Up to 16.4 feet (5 meters) |
Frequently asked questions
How do you use the Samsung PRO Ultimate in a camera with a full size SD slot?
Insert the card into the included adapter. The protection ratings apply to the microSD card, not the adapter.
Is the Samsung PRO Ultimate fast enough for 4K video?
Yes. It is rated U3 and V30, designed to support 4K UHD recording.
How fast is the Samsung PRO Ultimate 512GB?
Up to 200 MB/s read and 130 MB/s write, measured with Samsung readers.
Is the Samsung PRO Ultimate waterproof?
The card withstands up to 72 hours in seawater.