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Samsung PRO Plus 256GB microSDXC card with adapter

SAMSUNG

SAMSUNG MB-MD256SA/AM PRO Plus 256GB microSDXC memory card

SKU CH-JHTC-N3PX9 MPN MB-MD256SA/AM

High-capacity microSDXC card with 256 GB storage, 180 MB/s read and 130 MB/s write speeds, plus six-proof durability

  • Total capacity256 GB
  • Speed classUHS-I / U3 / Class 10 / A2 / V30
  • Max read speed180 MB/s
  • Write throughput130 MB/s
  • Product typeMicroSDXC
  • Key features6-Proof features (Water-proof, Temperature-proof, X-ray-proo

Capacity 256GB Americas Edition

  • 180 MB/s read speed for quick file transfers
  • 130 MB/s write speed captures 4K video smoothly
  • 256 GB capacity stores hours of high-res footage
  • A2 rating loads apps and games faster
  • Six-proof protection resists water, drops, X-rays and wear

256 GB microSDXC for mobile creators

This Samsung PRO Plus card delivers 256 GB of UHS-I storage rated U3, Class 10, A2 and V30. Sequential read reaches 180 MB/s and write reaches 130 MB/s. It targets phone, drone, tablet and handheld-gaming users who need sustained 4K capture and fast app loading.

Upgrade from slower or smaller cards

The jump is worth it when your current card cannot sustain V30 video speeds or lacks A2 random-performance for installed apps. Capacities of 128 GB, 256 GB and 512 GB let you match the upgrade to your workload. Buyers who need more than 512 GB or require UHS-II bus speeds are not served by this model.

UHS-I bus and environmental limits

The UHS-I interface caps maximum throughput at the rated 180 MB/s read and 130 MB/s write. Six-proof protection covers water, temperature extremes, X-ray, magnetic fields, drops and wear-out. A 10-year limited warranty backs the durability claims. Users needing higher bus bandwidth or enterprise-grade endurance must look elsewhere.

How it compares

Measured against everything we stock in SD & MicroSD Memory Cards, at today’s prices. Recalculated every night.

Price $81.99
Pricier than about 67% of the 1,947 comparable items (median $46.99).
Total capacity 256 GB
Higher than about 80% of the 1,132 comparable items (median 64 GB).
Price per TB $320.27 per TB
Cheaper than about 57% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameSAMSUNG
Product linePRO Plus
Model nameMB-MD256SA/AM
Part numberMB-MD256SA/AM
Total capacity256 GB
Product typeMicroSDXC
Performance
Speed classUHS-I / U3 / Class 10 / A2 / V30
Max read speed180 MB/s
Write throughput130 MB/s

Other versions of this model

3 more in the same range

Questions about this item

Does this microSDXC card come with an adapter for full-size SD slots?

Yes, the SAMSUNG MB-MD256SA/AM includes a full-size SD adapter so you can use the 256GB card in cameras, laptops or card readers that only accept standard SD.

What is the most common mistake when putting this card into a device?

Inserting the microSD card upside-down or forcing it past the click point; the contacts must face down and the card should click flush without resistance.

How often should I replace this card if I record 4K video daily?

The 6-proof design and wearout protection are built for heavy write cycles, but plan to replace after several years of daily 4K workloads or if sustained write speed drops below 130MB/s.

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