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Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed… competes with other External Storage products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full External Storage category for alternatives.

Amazon Basics

microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 256GB, Black

Name: Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 256GB, Black
Brand: Amazon Basics
SKU: B08TJZDJ4D
Price: 62.69 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-07-22

$62.69

Buy on Amazon — $62.69 Compare to similar external storage

*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.

Bottom line: The microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 256GB, Black is a niche pick — read recent reviews before buying in the external storage category, priced around $62.69. Read recent reviews carefully before committing.

Product Description An Amazon Brand. From the Manufacturer Amazon Basics

SpecPicks Verdict

SpecPicks classifies Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3… as a niche pick — read recent reviews before buying in the external storage category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Amazon Basics's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Backed by Amazon Basics's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

Universal Compatibility — NOT for Nintendo Switch 2, but Compatible with Nintendo Switch. Works seamlessly with GoPro/action cams, DSLRs, drones. 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.
Built for Adventure — Shock-resistant, IPX6 water-resistant, and rated for extreme temperatures (−10°C to +80°C). Also resistant to X-rays and magnetic fields — ideal for travel, outdoor use, and dashcams.

Full Specifications

UPC	840095874038
ASIN	B08TJZDJ4D
Brand	Amazon Basics
Color	Black
Model Name	Amazon Basics - MicroSDXC, 512 GB
Read Speed	100 Megabytes Per Second
Unit Count	1.0 Count
Media Speed	90 MB per second
Manufacturer	Amazon
Model Number	LSMICRO256GU3
Warranty Type	Limited
Flash Memory Type	Micro SDXC
Compatible Devices	Camera, Smartphone, Tablet
Additional Features	Magnetic Proof

Ready to buy?

Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 256GB, Black is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.