--- product_id: 728789465 title: "SanDisk 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: "₩474165" currency: KRW in_stock: true reviews_count: 13 category: "San Disk" url: https://www.desertcart.kr/products/728789465-sandisk-microsd-express-card-512gb-msd-card-read-speeds-up store_origin: KR region: South Korea --- # 880MB/s read speed 512GB massive storage ThermAdapt heat management SanDisk 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:** ₩474165 **Availability:** ✅ In Stock ## Summary > 🚀 Upgrade your storage, upgrade your game — don’t get left behind! ## Quick Answers - **What is this?** SanDisk 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?** ₩474165 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/728789465-sandisk-microsd-express-card-512gb-msd-card-read-speeds-up) ## 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 - • **Next-Gen Ready:** PCIe NVMe interface ensures compatibility with future devices and ultra-fast UHS-I performance. - • **Built to Endure:** Waterproof, shockproof, temperature & x-ray proof for worry-free durability. - • **Blazing-Fast Speeds:** Up to 880MB/s read & 650MB/s write for instant load and transfer. - • **Smart Thermal Control:** ThermAdapt tech keeps your device cool during intense gaming or heavy transfers. - • **Massive 512GB Capacity:** Store your entire digital library, from games to 4K videos, hassle-free. ## Overview The SanDisk 512GB microSD Express card delivers ultra-fast read speeds up to 880MB/s and write speeds up to 650MB/s, powered by PCIe 3.1 NVMe and UHS-I technology. Designed for next-gen devices like Nintendo Switch 2, it offers massive storage, exceptional durability against water, shock, and heat, plus advanced ThermAdapt thermal management to keep performance stable. Ideal for professionals and gamers who demand speed, reliability, and future-proof compatibility. ## Description From the manufacturer Ready for Tomorrow A PCIe 3.1 NVMe interface and a standard microSD UHS-I interface make this card compatible with today’s devices and primed for future superspeed products. SANDISK microSD Express Exponentially Faster Performance Up to 8.8 times faster read speeds than our standard microSD UHS-I card(8). 128GB(13) microSD Express cards deliver up to 880MB/s(1) read speeds and up to 480MB/s(1) write when used with SanDisk PRO-READER SD Express Dual Card (sold separately). A Massive Time-Saver Saves you up to 2.8 minutes transferring 60 minutes of 4K UHD video(4) shot at 30 fps and up to 2.9 minutes transferring 2,000 10MP RAW photos.(9) Durability You Can Count On This card is waterproof, temperature-proof, humidity-proof, drop-proof, shock-proof, magnetic-proof, x-ray proof, and wear-out proof.(5) Trust Us with Your Content As a leader in microSD card design and development, SanDisk uses proprietary Flash Management Techniques(10) to produce highly stable memory. Full File Recovery Included RescuePRO Deluxe file recovery software offer, you can recover files images you accidentally deleted free of charge for two full years.(6) Legal Disclaimers (1) [512GB] Up to 880MB/s read speeds. Up to 650MB/s write speeds. 220MB/s minimum sustained write speed. Based on internal testing; performance may be lower depending upon host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. (2) Based on internal testing with the SanDisk PRO-READER SD Express Dual Card against the 64GB-128GB SanDisk Extreme PRO UHS-II SD cards with SanDisk Extreme PRO SD UHS-II Card USB-C Reader/Writer. (3) Based on internal testing with the SanDisk PRO-READER SD Express Dual Card against the 1TB-2TB SanDisk Portable SSD. (4) Compatible device required. Full HD (1920 x 1080), 4K (4096x2160), 4K UHD (3840x2160) and 5.3K (5312x2988) video support may vary based upon host device, file attributes and other factors. See official SanDisk website for details. (5) Card only. See product packaging or official SanDisk website for additional information and limitations. (6) Registration required. Terms and conditions apply. (8) Based on internal testing with the SanDisk PRO-READER SD Express Dual Card against the 256GB SanDisk Ultra Lite UHS-I microSDXC card. Performance may be lower depending upon host device, interface, usage conditions and other factors. (9) Based on internal testing with the SanDisk PRO-READER SD Express Dual Card against the 128GB-256GB SanDisk Extreme PRO UHS-I microSDXC card with SanDisk Professional PRO-READER SD & microSD. Performance may be lower depending upon host device, interface, usage conditions and other factors. (10) See Western Digital White Paper- Flash 101 and Flash Management. A detailed overview of flash and flash management (August 2018). (11) See Flash Memory Summit, 2023 Flash Memory Timeline (2023). (12) Based on stated speeds. Based on internal testing; performance may be lower depending upon host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. (13) 1GB=1,000,000,000 bytes. Actual user storage less. (14) Based on internal testing with 128GB-512GB SanDisk microSD express cards (sold separately); performance may be lower depending upon host device, usage conditions, and other factors. 1MB = 1,000,000 bytes. Sandisk, the Sandisk logos and SanDisk Extreme are registered trademarks or trademarks of SanDisk Corporation or its affiliates in the US and/or other countries. All other marks are the property of their respective owners. Product specifications subject to change without notice. Pictures shown may vary from actual products. 2025 Sandisk Corporation or its affiliates. All rights reserved. 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 - NEXT GEN GAMING: Works with Nintendo Switch 2. - READY FOR TOMORROW. Ready for future products with a PCIe-NVMe interface; performs at UHS-I speeds 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 | 49 in PC & Video Games ( See Top 100 in PC & Video Games ) 1 in Nintendo Switch Storage 17 in Micro SD Memory Cards | | Brand | SanDisk | | Brand Name | SanDisk | | Colour | black | | Compatible Devices | Camera, Personal Computer, Tablet | | Compatible devices | Camera, Personal Computer, Tablet | | Country of Origin | China | | Customer Reviews | 4.7 out of 5 stars 1,856 Reviews | | Flash Memory Type | Micro SD | | 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 | | Memory storage capacity | 512 GB | | Model Name | SanDisk Express | | Model Number | SDSQXFN-512G-GN4NN | | Model name | SanDisk Express | | 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 ![SanDisk 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. ### ⭐⭐⭐⭐⭐ Real item works on switch 2 *by A***N on 26 May 2026* Arrived in a proper SanDisk box with a license code for some backup software I can't remember the name of. Tested with F3 yo confirm the card was real all good so can verify the product is authentic. --- ## 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.kr/products/728789465-sandisk-microsd-express-card-512gb-msd-card-read-speeds-up](https://www.desertcart.kr/products/728789465-sandisk-microsd-express-card-512gb-msd-card-read-speeds-up) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-07-24*