---
product_id: 728789465
title: "microSD Express Card, 512GB mSD card, Read speeds up to 880 MB/s, Write Speeds up to 650MB/s, Sustained Write 220MB/s, SanDisk QuickFlow Technology, ThermAdapt, UHS-I, U3, C10"
brand: "sandisk"
price: "€ 337.88"
currency: EUR
in_stock: true
reviews_count: 13
category: "San Disk"
url: https://www.desertcart.sk/products/728789465-microsd-express-card-512gb-msd-card-read-speeds-up-to
store_origin: SK
region: Slovakia
---

# 880 MB/s read speed 512GB massive storage ThermAdapt heat management microSD Express Card, 512GB mSD card, Read speeds up to 880 MB/s, Write Speeds up to 650MB/s, Sustained Write 220MB/s, SanDisk QuickFlow Technology, ThermAdapt, UHS-I, U3, C10

**Brand:** sandisk
**Price:** € 337.88
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade your storage game with speed and durability that keeps pace with your ambition!

## Quick Answers

- **What is this?** microSD Express Card, 512GB mSD card, Read speeds up to 880 MB/s, Write Speeds up to 650MB/s, Sustained Write 220MB/s, SanDisk QuickFlow Technology, ThermAdapt, UHS-I, U3, C10 by sandisk
- **How much does it cost?** € 337.88 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/728789465-microsd-express-card-512gb-msd-card-read-speeds-up-to)

## Best For

- sandisk enthusiasts

## Why This Product

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

## Key Features

- • **Rugged Reliability:** Waterproof, shockproof, and temperature-proof to keep your data safe anywhere.
- • **Cool Under Pressure:** SanDisk ThermAdapt tech dynamically manages heat for sustained high-speed use.
- • **Blazing-Fast Transfers:** Up to 880 MB/s read and 650 MB/s write speeds for next-level performance.
- • **Massive 512GB Capacity:** Store thousands of 4K videos and RAW photos without breaking a sweat.
- • **Future-Proof Compatibility:** PCIe-NVMe ready and UHS-I/UHS-II compatible for seamless device integration.

## Overview

The SanDisk 512GB microSD Express Card delivers ultra-fast read speeds up to 880 MB/s and write speeds up to 650 MB/s, powered by SanDisk QuickFlow and ThermAdapt technologies. Designed for future-ready PCIe-NVMe devices and backward compatible with UHS-I/UHS-II, it offers massive storage and rugged durability—waterproof, shockproof, and temperature-resistant—making it the ultimate choice for professionals and gamers demanding speed, capacity, and reliability.

## Description

Shop for SanDisk PC products at the desertcart.co.uk Computers & Accessories store.

Review: Blazing-fast storage upgrade for Nintendo Switch 2 – reliable, spacious and worth the price (5★) - I’ve been using SanDisk storage for years across cameras, gaming devices and computers, and once again it didn’t disappoint. This 512GB microSD Express card was purchased specifically for my Nintendo Switch 2, and after about a month of use I can confidently say it’s one of the best upgrades you can make for the console. Speed is the first thing you notice. Games load quickly, downloads feel noticeably faster and everything runs smoothly. Compared with standard microSD cards, this Express version really is in another league – you can feel the difference when installing or launching larger titles. With modern Switch 2 games getting heavier in size, moving to 512GB was absolutely the right decision. I also have a 256GB card, but the extra space on this one makes a huge difference and gives real peace of mind. Build quality is exactly what I expect from SanDisk: solid, reliable and consistent. I’ve used many brands over the years including Samsung and Sony, but SanDisk remains the most dependable for me. Speeds and performance match what’s advertised, which isn’t always the case with cheaper alternatives. This is one of those situations where paying slightly more actually saves hassle in the long run. The card works flawlessly with Nintendo Switch 2 and is ideal for digital libraries, large modern games and even high-resolution video storage. It also feels reassuring knowing it’s built to handle heat, drops and general everyday use. Price isn’t the lowest on the market, but for 512GB of fast, reliable storage from a trusted brand it feels justified. If anything, I’d always recommend going bigger rather than cheaper — especially with newer games taking up so much space. Subscription pricing on desertcart can make it a bit more affordable too. Overall, this is an easy 5-star recommendation. Fast, stable, high-quality and from a brand I trust. If you’re upgrading storage for Nintendo Switch 2, this is a superb choice.
Review: Fast, reliable, zero fuss - Bought this for a Switch 1 system and it’s performed flawlessly. Load times are quick, games run smoothly, and I haven’t noticed any delays, lag, or compatibility issues at all. It installs easily, is recognised instantly, and just quietly gets on with its job. The speed is clearly there — everything feels responsive, downloads handle well, and it doesn’t struggle even with larger titles. Build quality is what you’d expect: solid and dependable. If you want extra storage that actually keeps up with your console rather than slowing it down, this is a great choice. Fast, stable, and completely reliable.

## Features

- READY FOR TOMORROW. Ready for future superspeed products with PCIe-NVMe interfaces and performs at UHS-I speeds when used with microSD UHS-I and UHS-II devices.
- EXPONENTIALLY FASTER PERFORMANCE. Up to 4.4 times faster read speeds than our fastest microSD UHS-I cards with up to 880MB/s transfer speeds.
- MASSIVE TIME-SAVER. Transfer 60 minutes of 4K UHD video shot at 30 fps in just less than 70 seconds and 1,000 10MP RAW photos in less than a minute (51.7 seconds) when paired with SanDisk PRO-READER SD Express Dual Card (sold separately).
- DURABILITY YOU CAN COUNT ON. Cards are waterproof, temperature-proof, humidity-proof, drop-proof, shock-proof, magnetic-proof, x-ray proof, and wear-out proof.
- HEAT MANAGEMENT REIMAGINED. SanDisk ThermAdapt helps keep devices from overheating with a specially designed enclosure and controller that uses dynamic adaptive thermal management.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DTQ35NH6 |
| Best Sellers Rank | 1,698 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 3 in Nintendo Switch Storage 34 in Micro SD Memory Cards |
| Brand Name | SanDisk |
| Colour | black |
| Compatible Devices | Camera, Personal Computer, Tablet |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,600) |
| Flash Memory Type | Micro SD |
| Hardware Connectivity | microSDXC |
| Item Weight | 0.26 Grams |
| Manufacturer | SanDisk |
| Manufacturer Part Number | SDSQXFN-512G-GN4NN |
| Media Speed | 4x |
| Memory Storage Capacity | 512 GB |
| Model Name | SanDisk Express |
| Model Number | SDSQXFN-512G-GN4NN |
| Product Features | Lightweight |
| Product Warranty | Lifetime Limited |
| Read Speed | 880 Megabytes Per Second |
| Secure Digital Association Speed Class | Class 10 |
| UPC | 619659205447 |
| Unit Count | 1.0 count |
| Warranty Type | Lifetime |

## Product Details

- **Brand:** SanDisk
- **Compatible devices:** Camera, Personal Computer, Tablet
- **Flash memory type:** Micro SD
- **Memory storage capacity:** 512 GB
- **Model name:** SanDisk Express

## Images

![microSD Express Card, 512GB mSD card, Read speeds up to 880 MB/s, Write Speeds up to 650MB/s, Sustained Write 220MB/s, SanDisk QuickFlow Technology, ThermAdapt, UHS-I, U3, C10 - Image 1](https://m.media-amazon.com/images/I/715+gEiTloL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Blazing-fast storage upgrade for Nintendo Switch 2 – reliable, spacious and worth the price (5★)
*by V***D on 27 February 2026*

I’ve been using SanDisk storage for years across cameras, gaming devices and computers, and once again it didn’t disappoint. This 512GB microSD Express card was purchased specifically for my Nintendo Switch 2, and after about a month of use I can confidently say it’s one of the best upgrades you can make for the console. Speed is the first thing you notice. Games load quickly, downloads feel noticeably faster and everything runs smoothly. Compared with standard microSD cards, this Express version really is in another league – you can feel the difference when installing or launching larger titles. With modern Switch 2 games getting heavier in size, moving to 512GB was absolutely the right decision. I also have a 256GB card, but the extra space on this one makes a huge difference and gives real peace of mind. Build quality is exactly what I expect from SanDisk: solid, reliable and consistent. I’ve used many brands over the years including Samsung and Sony, but SanDisk remains the most dependable for me. Speeds and performance match what’s advertised, which isn’t always the case with cheaper alternatives. This is one of those situations where paying slightly more actually saves hassle in the long run. The card works flawlessly with Nintendo Switch 2 and is ideal for digital libraries, large modern games and even high-resolution video storage. It also feels reassuring knowing it’s built to handle heat, drops and general everyday use. Price isn’t the lowest on the market, but for 512GB of fast, reliable storage from a trusted brand it feels justified. If anything, I’d always recommend going bigger rather than cheaper — especially with newer games taking up so much space. Subscription pricing on Amazon can make it a bit more affordable too. Overall, this is an easy 5-star recommendation. Fast, stable, high-quality and from a brand I trust. If you’re upgrading storage for Nintendo Switch 2, this is a superb choice.

### ⭐⭐⭐⭐⭐ Fast, reliable, zero fuss
*by S***B on 18 February 2026*

Bought this for a Switch 1 system and it’s performed flawlessly. Load times are quick, games run smoothly, and I haven’t noticed any delays, lag, or compatibility issues at all. It installs easily, is recognised instantly, and just quietly gets on with its job. The speed is clearly there — everything feels responsive, downloads handle well, and it doesn’t struggle even with larger titles. Build quality is what you’d expect: solid and dependable. If you want extra storage that actually keeps up with your console rather than slowing it down, this is a great choice. Fast, stable, and completely reliable.

### ⭐⭐⭐⭐⭐ great for Switch 2
*by G***D on 4 March 2026*

I got this to use for my Switch 2. The read speed works great for it. And was able to work great. Only down side is the price I would say best to wait for a sale I wish I did. When using it on the Switch 2 was able to Format no problem.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sk/products/728789465-microsd-express-card-512gb-msd-card-read-speeds-up-to](https://www.desertcart.sk/products/728789465-microsd-express-card-512gb-msd-card-read-speeds-up-to)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-05-14*