Skip to main content
Transcend USD300 512GB microSDXC Micro SD Card for Nintendo-Switch/Steam Deck/ROG Ally/MSI Claw/GoPro/DJI/Insta360/Action Camera, A1 V30 UHS-I U3 C10, Up to 100MB/s, 4K UHD Video Memory Card w/Adapter
Transcend

USD300 512GB microSDXC Micro SD Card for Nintendo-Switch/Steam Deck/ROG Ally/MSI Claw/GoPro/DJI/Insta360/Action Camera, A1 V30 UHS-I U3 C10, Up to 100MB/s, 4K UHD Video Memory Card w/Adapter

By SpecPicks Editorial · Verified 2026-07-22

$119.99
Buy on Amazon — $119.99 Compare to similar handheld consoles

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

Bottom line: The USD300 512GB microSDXC Micro SD Card for Nintendo-Switch/Steam Deck/ROG Ally/MSI Claw/GoPro/DJI/Insta360/Action Camera, A1 V30 UHS-I U3 C10, Up to 100MB/s, 4K UHD Video Memory Card w/Adapter is a niche pick — read recent reviews before buying in the handheld consoles category, priced around $119.99. Read recent reviews carefully before committing.

Want to save space on your mobile device by running apps from a memory card? Transcend's microSDXC/SDHC 300S cards are the right choice! Compliant with the latest speed class, the cards boast excellent random read/write speed, perfect for retrieving small pieces of data from random locations and speeding app launch time.

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks classifies Transcend USD300 512GB microSDXC Micro SD Card for Nintendo-Switch/St… as a niche pick — read recent reviews before buying in the handheld consoles category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Transcend'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 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.

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

Key Features

  • Ultra-Fast Read & Write Speeds : Read speed up to 100MB/s, write speed up to 85MB/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

BrandTranscend
ColorSilver
Model NameUSD300S
Read Speed95 Megabytes Per Second
Unit Count1.0 Count
Media Speed40 MB per second
Model NumberTS512GUSD300S-A
CompatibilitySwitch, Android
Warranty TypeLimited
Mfr Part NumberTS512GUSD300S-A
Flash Memory TypeMicro SD
Compatible DevicesSmartphone, Tablet
Additional FeaturesLightweight
Warranty Description5 year

Ready to buy?

Transcend USD300 512GB microSDXC Micro SD Card for Nintendo-Switch/Steam Deck/ROG Ally/MSI Claw/GoPro/DJI/Insta360/Action Camera, A1 V30 UHS-I U3 C10, Up to 100MB/s, 4K UHD Video Memory Card w/Adapter 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.

Check price on Amazon →

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

Related Handheld Consoles

Keep exploring SpecPicks

Other buying guides

Browse the catalog

Editorial

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →
Transcend USD300 512GB microSDXC Micro SD Card for Nintendo-Switch/Steam Deck/ROG Ally/MSI Claw/GoPro/DJI/Insta360/Action Camera, A1 V30 UHS-I U3 C10, Up to 100MB/s, 4K UHD Video Memory Card w/Adapter
$119.99
View on Amazon →