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Small black microSDXC card with full-size SD adapter

ADATA

ADATA AUSDX128GUI3V30SA2-R 128GB microSDXC UHS-I U3 V30 A2 memory card

SKU CH-EAVC-589PP MPN AUSDX128GUI3V30SA2-R

128 GB microSDXC card rated U3, V30 and A2 with 100 MB/s read and 80 MB/s write speeds for 4K video and fast app loading

  • Total capacity128 GB
  • Speed classUHS-I / U3 / Class 10 / V30 / A2
  • Max read speed100 MB/s
  • Write throughput80 MB/s
  • Product typeMicroSDXC
  • Key featuresComply with new UHS-I U3 specifications A2 qualified - help

Capacity 128GB

  • A2 rating accelerates app launch and execution on Android 6.0/7.0 devices
  • V30 class guarantees minimum 30MB/s sustained write for 4K video capture
  • Read speed up to 100MB/s and write speed up to 80MB/s for rapid file transfers
  • IPX7 waterproof, shockproof, X-ray proof and -25°C to 85°C operating range
  • Includes SD adapter for broad compatibility with cameras, laptops and card readers

128GB microSDXC card for Android apps and 4K video

This ADATA Premier Pro microSDXC card offers 128GB capacity with UHS-I U3, Class 10, V30 and A2 ratings. Sequential read speeds reach 100MB/s while write speeds hit 80MB/s. It targets smartphone users who need faster app loading and camera owners recording 4K footage.

SD adapter extends use to cameras and laptops

The bundled SD adapter lets the microSD card fit full-size slots in digital cameras, video recorders and card readers. This means a single card can move between a phone for A2 app performance and a camera for V30 sustained video capture without buying separate media.

Verify host device supports UHS-I and A2

Check that your phone, tablet or camera explicitly lists UHS-I and A2 compatibility to gain the stated speed and app-performance benefits. Devices limited to older speed classes will fall back to slower rates. The card operates from -25°C to 85°C for harsh environments.

How it compares

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

Price $15.99
Cheaper than about 86% of the 1,947 comparable items (median $46.99).
Total capacity 128 GB
Higher than about 60% of the 1,132 comparable items (median 64 GB).
Price per TB $124.92 per TB
Cheaper than about 93% of the 901 comparable items (median $374.69 per TB).

Specifications

Product
Brand nameADATA
Product linePremier Pro
Model nameAUSDX128GUI3V30SA2-RA1
Total capacity128 GB
Product typeMicroSDXC
Performance
Speed classUHS-I / U3 / Class 10 / V30 / A2
Max read speed100 MB/s
Write throughput80 MB/s
Size & build
Shipping weight0.01 kg
Package size102 × 51 × 13 mm

Other versions of this model

2 more in the same range

Questions about this item

How often should I replace this 128GB card if I use it daily in a dashcam?

The card is built for repeated recording with automatic error correction and rugged durability including waterproof, shockproof and temperature resistance from -25°C to 85°C, so it handles daily dashcam use without a fixed replacement interval.

What is the first limit reached during sustained 4K video recording?

The V30 rating guarantees a minimum write speed of 30MB/s, so the sequential write ceiling of 80MB/s is the first limit that appears under continuous high-bitrate capture.

Does the card get hot or draw extra power during all-day recording?

It operates passively with no moving parts and is rated for -25°C to 85°C, so it stays cool and draws minimal power even during extended Full HD or 4K recording sessions.

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