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Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black9.4Our score 4 photos
ABBrandAmazon BasicsABAmazon Basics69 products in our catalogSee all Amazon Basics products →ID DBD-20836

Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black

9.4/10 our score 4.7 (97,797 ratings on Amazon)

Compatible with Nintendo Switch (NOT Nintendo Switch 2). Always check your device's max supported capacity.

Flash Memory TypeMicro SDXCMemory Storage Capacity128 GBHardware ConnectivitymicroSDXC

About this item

  • Compatible with Nintendo Switch (NOT Nintendo Switch 2). Always check your device's max supported capacity.
  • Reliable Real-World Capacity - Labeled Capacities/Usable Capacities: 64GB/≥58GB; 128GB/≥116GB; 256GB/≥232GB; 512GB/≥465GB; 1TB/≥908GB (Due to OS formatting and binary/decimal calculation differences)
  • 4K & Full HD Ready — Optimized for high-bitrate video recording and burst-mode photography. Handles RAW files, time-lapse sequences, and smooth 4K UHD playback without lag or frame drops.
  • UHS-I U3 + A2 Certified Speed — Up to 100MB/s read speed (lab-tested); meets Video Speed Class V30 and Application Class A2 for fast app loading, responsive multitasking, and reliable performance on Android devices.
Category: Storage › Micro SD CardsRanked #99 of 41 in Storage
9.4Our score
Our verdict

Compatible with Nintendo Switch (NOT Nintendo Switch 2). Always check your device's max supported capacity.

Ranked #99 in Storage · 4 things we like

Quick answer The Amazon Basics microSDXC Memory Card scores 9.4/10 with us. Amazon owners rate it 4.7 out of 5 across 97,797 reviews, in line with the 4.6 average of the 7 micro sd cards we track. It was listed at $35.14 on Amazon when we last checked in September 2026. Key facts: flash memory type Micro SDXC, memory storage capacity 128 GB, hardware connectivity microSDXC.

Product Description An Amazon Brand. From the Manufacturer Amazon Basics

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Product information

20 specifications
Flash Memory TypeMicro SDXC
Memory Storage Capacity128 GB
Compatible DevicesCamera, Drone, Laptop, Smartphone, Tablet
Additional FeaturesMagnetic Proof
Read Speed100 megabytes_per_second
Media Speed60 MB per second
Hardware ConnectivitymicroSDXC
Secure Digital Association Speed ClassClass 10
Item Weight8.02 g
Item Dimensions L x W1.69"L x 0.3"W
Item Dimensions D x W x H0.04"D x 0.59"W x 0.43"H
Warranty TypeLimited
BrandAmazon Basics
Model NameLSMICRO128GU3
Model NumberLSMICRO128GU3
Number of Items1
Unit Count1 Count
Mfr Part NumberLSMICRO128GU3
Warranty Description12 months
ColorBlack

Pros & cons

What we like
  • Compatible with Nintendo Switch (NOT Nintendo Switch 2). Always check your device's max supported capacity.
  • Reliable Real-World Capacity - Labeled Capacities/Usable Capacities: 64GB/≥58GB; 128GB/≥116GB; 256GB/≥232GB; 512GB/≥465GB; 1TB/≥908GB (Due to OS formatting and binary/decimal calculation differences)
  • 4K & Full HD Ready — Optimized for high-bitrate video recording and burst-mode photography. Handles RAW files, time-lapse sequences, and smooth 4K UHD playback without lag or frame drops.
  • UHS-I U3 + A2 Certified Speed — Up to 100MB/s read speed (lab-tested); meets Video Speed Class V30 and Application Class A2 for fast app loading, responsive multitasking, and reliable performance on Android devices.
What could be better

    Amazon Basics microSDXC Memory Card: questions & answers

    Is the Amazon Basics microSDXC Memory Card worth buying?

    Yes, it is one of the stronger picks in its group. We score the Amazon Basics microSDXC Memory Card 9.4 out of 10. Amazon owners rate it 4.7 out of 5 across 97,797 reviews, in line with the 4.6 average of the 7 micro sd cards we track.

    How much does the Amazon Basics microSDXC Memory Card cost?

    It was listed at $35.14 on Amazon when we last checked in September 2026. That is close to the $35.14 median for micro sd cards in our catalog. Amazon prices change daily, so use the price button on this page to see the current figure.

    What options does the Amazon Basics microSDXC Memory Card come in?

    Amazon lists 6 options. Style: 512GB, 64GB(2 pack), 1TB, 128GB, 256GB. Capacity: 512 GB, 64 GB (2pack), 1 Tb, 128 GB (Pack of 2), 256 GB, 128 GB. Pick an option on this page and the button opens exactly that model.

    What are the key specs of the Amazon Basics microSDXC Memory Card?

    Flash Memory Type: Micro SDXC; Memory Storage Capacity: 128 GB; Hardware Connectivity: microSDXC. All 20 specifications are in the product information table on this page.

    What are good alternatives to the Amazon Basics microSDXC Memory Card?

    Similar, well-rated micro sd cards in our catalog: GIGASTONE 128GB Micro SD Card 2-Pack (9.4/10, 4.7 stars from 9,014 owners); Sandisk Made (9.2/10, 4.6 stars from 95,482 owners); Vantrue 256GB microSDXC UHS-I U3 4K Memory Card (9.2/10, 4.6 stars from 7,689 owners).

    GIGASTONE 128GB Micro SD Card 2-PackSandisk MadeVantrue 256GB microSDXC UHS-I U3 4K Memory Card