---
product_id: 266436710
title: "USD300 512GB microSDXC Micro SD Card A1 V30 UHS-I U3 C10, Up to 100MB/s, 4K UHD Video Memory Card w/Adapter for Steam Deck, ROG Ally, MSI Claw, GoPro, DJI, Insta360, Action Camera"
brand: "transcend"
price: "R7"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/266436710-usd300-512gb-microsdxc-micro-sd-card-a1-v30-uhs-i
store_origin: ZA
region: South Africa
---

# Up to 95MB/s read speed 4K UHD video-ready V30/U3 512GB massive storage USD300 512GB microSDXC Micro SD Card A1 V30 UHS-I U3 C10, Up to 100MB/s, 4K UHD Video Memory Card w/Adapter for Steam Deck, ROG Ally, MSI Claw, GoPro, DJI, Insta360, Action Camera

**Brand:** transcend
**Price:** R7
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your device’s power with storage that keeps pace!

## Quick Answers

- **What is this?** USD300 512GB microSDXC Micro SD Card A1 V30 UHS-I U3 C10, Up to 100MB/s, 4K UHD Video Memory Card w/Adapter for Steam Deck, ROG Ally, MSI Claw, GoPro, DJI, Insta360, Action Camera by transcend
- **How much does it cost?** R7 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/266436710-usd300-512gb-microsdxc-micro-sd-card-a1-v30-uhs-i)

## Best For

- transcend enthusiasts

## Why This Product

- Trusted transcend brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **4K UHD Video-Ready:** Capture ultra-smooth, uninterrupted 4K footage with V30 and U3 certification.
- • **Blazing Fast Speeds:** Up to 95MB/s read and 40MB/s write for seamless multitasking and app launches.
- • **Massive 512GB Capacity:** Store your entire digital life without compromise.
- • **Universal Compatibility:** Optimized for Steam Deck, ROG Ally, GoPro, DJI drones, Insta360, and more.
- • **A1 App Performance Class:** Run apps directly from the card with lightning-fast random read/write speeds.

## Overview

The Transcend 512GB microSDXC card combines massive storage with ultra-fast read/write speeds (up to 95MB/s and 40MB/s) and is certified A1, U3, and V30 for superior app performance and flawless 4K UHD video capture. Lightweight and compact, it’s the perfect upgrade for gamers, content creators, and tech-savvy professionals seeking reliable, high-speed memory expansion compatible with top devices like Steam Deck, GoPro, and DJI drones.

## Description

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.

## Features

- Compliant with Application Performance Class 1 (A1), UHS Speed Class 3 (U3), and UHS Video Speed Class 30 (V30) standards
- Up to 512GB storage capacity
- Up to 95 MB/s read; 40 MB/s write
- Ideal for smartphones, tablets, and digital cameras
- Perfect for a smooth and uninterrupted 4K video capturing

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | Silver |
| Special Feature | Lightweight |
| Read Speed | 95 Megabytes Per Second |
| Item Weight | 10 Grams |
| Warranty Type | Limited |
| Write Speed | 40 MB per second |
| Hardware Interface | microSDXC |
| Secure Digital Association Speed Class | Class 10 |
| Manufacturer | Transcend Information |
| UPC | 760557847847 |
| Item Weight | 0.353 ounces |
| Product Dimensions | 0.43 x 0.59 x 0.04 inches |
| Item model number | TS512GUSD300S-AE |
| Manufacturer Part Number | TS512GUSD300S-AE |
| Special Features | Lightweight |

## Product Details

- **Brand:** Transcend
- **Model Name:** USD300S
- **Flash Memory Type:** Micro SDXC
- **Memory Storage Capacity:** 512 GB
- **Compatible Devices:** Camera, Smartphone, Tablet

## Images

![USD300 512GB microSDXC Micro SD Card A1 V30 UHS-I U3 C10, Up to 100MB/s, 4K UHD Video Memory Card w/Adapter for Steam Deck, ROG Ally, MSI Claw, GoPro, DJI, Insta360, Action Camera - Image 1](https://m.media-amazon.com/images/I/71ngH1Nre6L.jpg)

## Available Options

This product comes in different **Capacity, Style** options.

## Frequently Bought Together

- Transcend 512GB 300S, Memory Card, microSD, U3, A1, Up to 100 MB/s, for Mobile Devices, with Adapter - TS512GUSD300S-AE
- USB3.0 Micro SD Card Reader, 5Gbps 2-in-1 SD Card Reader to USB Adapter, Wansurs Memory Card Reader for SDXC, SDHC, MMC, RS-MMC, Micro SDXC, Micro SD, Micro SDHC and UHS-I Cards (1Pack Black)
- SanDisk Ultra SDSQUNS-016G-GN3MN 16GB 80MB/s UHS-I Class 10 microSDHC Card

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**Shop now:** [https://www.desertcart.co.za/products/266436710-usd300-512gb-microsdxc-micro-sd-card-a1-v30-uhs-i](https://www.desertcart.co.za/products/266436710-usd300-512gb-microsdxc-micro-sd-card-a1-v30-uhs-i)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-11*