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Patriot 128GB microSDXC card with full-size SD adapter

Patriot Memory

Patriot Memory PEF128GEP31MCX 128GB microSDXC memory card

SKU CH-46KF-M1F3Z MPN PEF128GEP31MCX

A 128 GB microSDXC card rated U3, A1 and V30 with up to 90 MB/s read and 80 MB/s write speeds for 4K video and fast Android apps

  • Card typeMicroSD
  • TypemicroSDXC
  • Capacity128GB
  • Speed Class RatingUHS-I / U3 / Class 10 / A1 / V30
  • Read SpeedUp to 90MB/s
  • Write SpeedUp to 80MB/s

Capacity 128GB

  • A1 rating lets you store and run Android apps directly on the card
  • V30 class sustains 30 MB/s minimum write for 4K video capture
  • Read speeds up to 90 MB/s transfer photos and footage quickly
  • Write speeds up to 80 MB/s keep burst shooting and recording smooth
  • Included SD adapter lets the microSDXC card fit full-size SD slots

128GB microSDXC for Android and cameras

The Patriot EP Series PEF128GEP31MCX is a microSDXC memory card built for Android phones, tablets, action cameras and drones. It carries UHS-I U3, Class 10, A1 and V30 ratings, so it handles app storage and 4K video capture in a single package. An SD adapter is included for use in full-size card slots.

A1 rating enables direct app installation

The A1 App Performance Class is the specification that decides fit: it guarantees minimum random read and write IOPS so Android can install and launch apps directly from the card. Without A1, the card would only suit media storage. This card meets that threshold, making it suitable for expanding internal app space on compatible devices.

128GB capacity with V30 sustained write headroom

At 128GB the card holds hours of 4K footage or dozens of large apps and games. Sequential writes up to 80MB/s satisfy the V30 guarantee of 30MB/s minimum sustained throughput, so 4K recording continues without dropped frames. Buyers who need more storage should consider the 256GB variant in the same series.

Highlights

  • A1 rating lets you store and run Android apps directly on the card
  • V30 class sustains 30 MB/s minimum write for 4K video capture
  • Read speeds up to 90 MB/s transfer photos and footage quickly
  • Write speeds up to 80 MB/s keep burst shooting and recording smooth
  • Included SD adapter lets the microSDXC card fit full-size SD slots

Specifications

BrandPatriot
Card typeMicroSD
SeriesEP Series
ModelPEF128GEP31MCX
TypemicroSDXC
Capacity128GB
Speed Class RatingUHS-I / U3 / Class 10 / A1 / V30
Read SpeedUp to 90MB/s
Write SpeedUp to 80MB/s
FeaturesThe Patriot EP A1 microSD card comes with an A1 App Classification rating so it's ready to be used seamlessly with your Android device. Not only can you store apps onto the EP A1 directly, you are also able to run the apps, thereby making your phone immensely faster and freeing up space on your device. The EP A1 also has a V30 classification and supports 4K video recording so it's ready for the action when you need it. With read speeds up to 100MB/s and write speeds up to 80MB/s, the EP A1 microSD card is the perfect addition to your Android phone or tablet.
Designed to keep up with
Shipping weight0.01 kg
Package size131 × 98 × 6 mm

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Questions about this item

Will the 90MB/s read speed actually make apps open faster on my phone?

The A1 rating means the card meets a minimum random read and write performance for Android app storage, so installed apps launch and run more smoothly than on a card without A1.

What does the UHS-I interface mean for real-world transfer limits?

UHS-I is the bus standard used by this card; the quoted 90MB/s read and 80MB/s write are the maximum sequential speeds the card can deliver over that interface.

Does the included adapter let me use this microSD card in a full-size SD slot?

Yes, the package includes a microSD-to-SD adapter so the card fits cameras, laptops or card readers that only have a standard SD slot.

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