128GB Micro SD Card, microSDXC UHS-I Flash Memory Card with Adapter - Up to 100MB/s, A1, U3, Class10, V30, High Speed TF Card

SpecPicks Verdict

SpecPicks classifies Lexar 128GB Micro SD Card, microSDXC UHS-I Flash Memory Card with… as a niche pick — read recent reviews before buying in the PC & gaming hardware category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Lexar'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 PC & gaming hardware 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.

Key Features

• Lexar 128GB Micro SD Card supports up to 100MB/s read speed and up to 30MB/s write speed for data transfer. (Based on internal test environment of Lexar, so the actual speed may vary with different host devices and environments. For devices that don't support UHS-I, the transmission speed will be different due to interface limitations.)
• Lexar 128GB Micro SD Memory Card supports UHS-I, U3, Speed Class 10, Video Speed Class 30 (V30) , which offer high read speed, fast file transfer speed, smooth as well as continuous shooting and Full HD video 4K and 1080P recording. For apps, A1 (App 1) performance is continuous 1500 read IOPS, 500 write IOPS, which helps not only run faster, but also save smartphone's or tablet's storage memory.
• Lexar 128GB microSD Card supports up to 6 hours 4K video, or up to 20 hours 1080P video, 37,600 photos, or 19,440 songs. (1GB=1,000,000,000 bytes.) (Due to different capacity algorithms and partial capacity are used for system files, management and performance optimization, so the actual available capacity may be less than the identifying capacity.)
• Lexar microSDXC card supports waterproof (Provide protection against water immersion for up to 30 minutes and water depth up to 1 meter.), shockproof, extreme temperature resistance [operating temperature 0° ~ 70° C, storage temperature -25° ~ 85° C], X-ray radiation proof, anti-static and mechanical impact of 500G acceleration. Strong and Durable!
• Lexar microSD Card is compatible with smartphone, tablet, drone, camera and other Android devices. It provides you with speed and storage to capture more adventures OTG, also give you fast gaming experience.
• Lexar 10-year limited warranty for sd card and 1-year limited warranty for adapter.

Full Specifications

Ready to buy?

Lexar 128GB Micro SD Card, microSDXC UHS-I Flash Memory Card with Adapter - Up to 100MB/s, A1, U3, Class10, V30, High Speed TF Card 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.