{"product_id":"sandisk-a1-micro-sd-card-256gb-128gb-64gb-32gb-100mbs-class10-type-c-reader","title":"SanDisk A1 Micro SD Card 32–256GB 100MB\/s + Type-C Reader","description":"\n\u003ch2\u003eSanDisk A1 Micro SD Card – High-Speed Storage for Every Device\u003c\/h2\u003e\n\u003cp\u003eExpand your storage instantly with the \u003cstrong\u003eSanDisk A1 microSD Card\u003c\/strong\u003e, available in 32GB, 64GB, 128GB, and 256GB capacities. Rated at up to \u003cstrong\u003e100MB\/s read speed\u003c\/strong\u003e, Class 10 \/ UHS-I \/ U1 \/ V10, this microSD card is built for fast, reliable performance across smartphones, tablets, laptops, action cameras, dashcams, drones (UAVs), smart speakers, monitoring systems, and more. The included \u003cstrong\u003eType-C card reader\u003c\/strong\u003e means you're ready to transfer files the moment your card arrives.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Capacities:\u003c\/strong\u003e Choose from 32GB, 64GB, 128GB, or 256GB to match your needs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUp to 100MB\/s Read Speed:\u003c\/strong\u003e Quickly load apps, transfer photos, and stream HD video\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eA1 App Performance Class:\u003c\/strong\u003e Optimized for smooth app launches and consistent performance on mobile devices\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClass 10 \/ UHS-I \/ U1 \/ V10:\u003c\/strong\u003e Meets the highest standard for everyday recording and file storage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003emicroSDXC Compatible:\u003c\/strong\u003e Works with all microSD-compatible devices\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType-C Card Reader Included:\u003c\/strong\u003e Plug-and-play connectivity with modern laptops and smartphones\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; FCC Certified:\u003c\/strong\u003e Meets international safety and compliance standards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Smartphones, tablets, notebooks, dashcams, cameras, drones, surveillance devices, robots, digital gadgets, and file storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAbout Actual Capacity\u003c\/h3\u003e\n\u003cp\u003eFormatted capacity will appear slightly lower than labeled — this is normal for all flash storage due to industry-standard measurement differences:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e32GB ≈ 28–30 GB usable\u003c\/li\u003e\n  \u003cli\u003e64GB ≈ 58–60 GB usable\u003c\/li\u003e\n  \u003cli\u003e128GB ≈ 115–119 GB usable\u003c\/li\u003e\n  \u003cli\u003e256GB ≈ 230–238 GB usable\u003c\/li\u003e\n  \u003cli\u003e512GB ≈ 460–476 GB usable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSanDisk\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTF \/ Micro SD (microSDXC)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApp Performance Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass 10 (C10)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUHS Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUHS-I (U1)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVideo Speed Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eV10\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Read Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 100 MB\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCard Reader\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eType-C included\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, FCC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eTips for Verifying Capacity \u0026amp; Speed\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eUse a quality card reader and verify with \u003cstrong\u003eH2testw\u003c\/strong\u003e on PC — a genuine card will pass with no errors.\u003c\/li\u003e\n  \u003cli\u003eAvoid low-quality card readers; they can artificially reduce measured read\/write speeds.\u003c\/li\u003e\n  \u003cli\u003eCard speed is also affected by your USB port version and the capacity selected. Always use a USB 3.0 or higher port for best results. (Note: 1 MB = 1,000 KB)\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/50pcs-nickel-sheets-18650-lithium-battery-spot-welding\"\u003e50Pcs Nickel Sheets for 18650 Battery Spot Welding Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/non-contact-capacitive-water-level-sensor-3v-5v\"\u003eNon-Contact Capacitive Water Level Sensor 3.3V–5V\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/molex-mini-fit-jr-4-pin-4-2mm-pitch-wire-to-board-connector-housing\"\u003eMolex Mini-Fit Jr 4-Pin 4.2mm Pitch Wire-to-Board Housing\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this SanDisk Micro SD card compatible with my Android smartphone?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The SanDisk A1 microSD card is compatible with virtually all Android smartphones and tablets that feature a microSD card slot. The A1 Application Performance Class rating ensures smooth app performance and fast file access on mobile devices.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the Type-C card reader included, and how does it work?\u003c\/h4\u003e\n\u003cp\u003eA: The included Type-C card reader plugs directly into any USB-C port — on modern laptops, tablets, or smartphones — allowing you to read and write to your microSD card without any additional adapters. Simply insert the card into the reader, plug into your device, and it will be recognized automatically.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Why does my 128GB or 256GB card show less storage than expected?\u003c\/h4\u003e\n\u003cp\u003eA: This is completely normal. Storage manufacturers calculate capacity using 1 GB = 1,000,000,000 bytes, whereas your operating system uses 1 GB = 1,073,741,824 bytes. This means a 128GB card will display approximately 115–119 GB in your device, and a 256GB card will show approximately 230–238 GB. No storage is missing — it's simply a difference in measurement standards.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What devices is the SanDisk A1 microSD card compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This microSD card is compatible with a wide range of devices including smartphones, tablets, laptops, dashcams, action cameras, surveillance\/monitoring cameras, drones (UAVs), smart speakers, digital cameras, robots, and general file storage solutions. It fits any device with a standard microSD or TF card slot.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this SanDisk Micro SD card compatible with my Android smartphone?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The SanDisk A1 microSD card is compatible with virtually all Android smartphones and tablets that feature a microSD card slot. 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