Transcend 128GB USD300S microSD UHS-I Card, 100MB/s, 4K, U3, V30, A1
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*Price sourced from Amazon.com. Last updated 2026-09-22. Price and availability subject to change.
Bottom line: The Transcend 128GB USD300S microSD UHS-I Card, 100MB/s, 4K, U3, V30, A1 is a specs-and-price decision rather than a crowd-consensus one in the handheld consoles category, priced around $32.99. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.
Pros & Cons
Pros
- ✓ Backed by Transcend'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
Ultra-Fast Read & Write Speeds : Read speed up to 100MB/s, write speed up to 35MB/s, ensuring smooth 4K UHD video recording and high-speed data transfer Perfect for Gaming Consoles & Various Devices : Compatible with Nintendo Switch, Steam Deck, ROG Ally, Legion Go, Android tablets, drones, action cameras, DSLRs, and 4K camcorders, meeting a wide range of storage needs Expand Storage with Ease : Instantly adds extra storage to smartphones, tablets, and laptops, allowing seamless storage of apps, games, videos, and high-resolution photos, enhancing user experience
SpecPicks Verdict
SpecPicks scored Transcend 128GB USD300S microSD UHS-I Card, 100MB/s, 4K, U3, V30, A1 using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the handheld consoles category. Transcend's handheld consoles lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for handheld consoles 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.
Frequently Asked Questions
Does this microSD card work with the Nintendo Switch?
Yes. Transcend lists Nintendo Switch compatibility directly, along with Steam Deck, ROG Ally, Legion Go, and MSI Claw handhelds.
How fast is the Transcend 128GB microSDXC card?
Read speeds reach up to 100MB/s and write speeds up to 35MB/s. The V30 rating guarantees a minimum sustained write of 30MB/s.
Can it record 4K video without dropping frames?
Yes. The V30 Video Speed Class guarantees 30MB/s sustained write, the floor 4K UHD and Full HD recording needs to avoid interruptions.
What does the A1 rating mean for gaming and apps?
A1 certifies 1500 IOPS random read and 500 IOPS random write, the random-access speed that governs how quickly apps and games load.
How well is this card reviewed?
It holds a 4.7 out of 5 star rating from 9,902 reviewers, one of the larger review bases among 128GB handheld-console microSD cards.
Key Features
- Ultra-Fast Read & Write Speeds : Read speed up to 100MB/s, write speed up to 35MB/s, ensuring smooth 4K UHD video recording and high-speed data transfer
- Perfect for Gaming Consoles & Various Devices : Compatible with Nintendo Switch, Steam Deck, ROG Ally, Legion Go, Android tablets, drones, action cameras, DSLRs, and 4K camcorders, meeting a wide range of storage needs
- Expand Storage with Ease : Instantly adds extra storage to smartphones, tablets, and laptops, allowing seamless storage of apps, games, videos, and high-resolution photos, enhancing user experience
- Seamless 4K Video Recording : With V30 Video Speed Class, guaranteeing a minimum sustained write speed of 30MB/s, perfect for 4K UHD and Full HD video recording, preventing dropped frames or interruptions
- Enhanced Mobile & App Performance : Features A1 rating, providing 1500 IOPS random read / 500 IOPS random write, optimizing app launch speeds and multitasking performance
Full Specifications
| Size | 128 GB |
|---|---|
| Brand | Transcend |
| Color | 128GB |
| Model | TS128GUSD300S |
| Warranty | 5 Year Warranty |
| UnitCount | 1 |
| ReleaseDate | 2018-11-30T00:00:01Z |
| Manufacturer | Transcend Information |
| IsAdultProduct | false |
| ItemPartNumber | TS128GUSD300S |
Ready to buy?
Transcend 128GB USD300S microSD UHS-I Card, 100MB/s, 4K, U3, V30, A1 is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-09-22. Price and availability subject to change.
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