Personal Computer
Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black
Best for: android users needing fast app performance and 4K video storage
ASIN: B08TJRVWV1
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Brand: Amazon Basics
This 128GB microSDXC card delivers 100MB/s read speeds and meets U3 and A2 standards for fast app loading and 4K video recording. It features shock, water, and temperature resistance suitable for outdoor use or dashcams. Note that it is compatible with the original Nintendo Switch but not the Switch 2.
Key features
- Compatible with Nintendo Switch (NOT Nintendo Switch 2). Always check your device's max supported capacity.
- Reliable Real-World Capacity - Labeled Capacities/Usable Capacities: 64GB/≥58GB; 128GB/≥116GB; 256GB/≥232GB; 512GB/≥465GB; 1TB/≥908GB (Due to OS formatting and binary/decimal calculation differences)
- 4K & Full HD Ready — Optimized for high-bitrate video recording and burst-mode photography. Handles RAW files, time-lapse sequences, and smooth 4K UHD playback without lag or frame drops.
- UHS-I U3 + A2 Certified Speed — Up to 100MB/s read speed (lab-tested); meets Video Speed Class V30 and Application Class A2 for fast app loading, responsive multitasking, and reliable performance on Android devices.
- Built for Adventure — Shock-resistant, IPX6 water-resistant, and rated for extreme temperatures (−10°C to +80°C). Also resistant to X-rays and magnetic fields — ideal for travel, outdoor use, and dashcams.
Pick a size, color, or pack quantity. The image and “View on Amazon” button below will update to match.
All 5 variants (with full names)
- 64 GB (2pack), Black — Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 64GB, Black (2pack)
- 1 Tb, Black — Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 1 Tb, Black
- 512 GB, Black — Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 512GB, Black
- 256 GB, Black — Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 256GB, Black
- 128 GB (Pack of 2), Schwarz — Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black (Pack of 2)
Price on Amazon
$35.14
Price as of Sep 4, 2026 9:15 PM UTC
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
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Frequently Asked Questions
Is this microSD card compatible with the Nintendo Switch?
Yes, it is explicitly listed as compatible with the Nintendo Switch, though it does not support the Nintendo Switch 2. Users should always verify their specific device's maximum supported storage capacity before purchase.
What is the actual usable storage space compared to the labeled 128GB?
Due to differences between binary and decimal calculations and OS formatting, a 128GB card provides at least 116GB of usable capacity. This discrepancy is standard across most storage devices.
Does this card support fast app loading on Android devices?
It meets the Application Class A2 certification, which ensures fast app loading and responsive multitasking on Android devices. It also features UHS-I U3 speed for reliable performance with high-bitrate video recording.
Is this memory card durable enough for outdoor activities?
The card is shock-resistant, IPX6 water-resistant, and rated for extreme temperatures ranging from −10°C to +80°C. It is also resistant to X-rays and magnetic fields, making it suitable for travel and dashcam use.
What warranty coverage is provided with this 128GB microSD card?
The product comes with a 12-month warranty as specified in the manufacturer's details. This covers defects under normal use conditions for the duration of the period.
Specifications
| Model | LSMICRO128GU3 |
| Color | Black |
| Size | 128 GB |
| Pack size | 1 |
| Dimensions | 0.5899999993982 Inches × 0.4299999995614 Inches × 0.099999999898 inches (0.01768327803502 Pounds) |
| Warranty | 12 months |
| UPC | 840095874021 |
| EAN | 0840095874021 |
| ASIN | B08TJRVWV1 |
| Brand | Amazon Basics |
| Category | Personal Computer |
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Last reviewed
September 4, 2026
Product listing details, features, and specs.
Editorial approach
Curated listings of Amazon Basics products with LLM-assisted summaries. Every specification, feature, and price is sourced from Amazon's Creators API — we don't invent reviews or ratings.
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As an Amazon Associate, I earn from qualifying purchases.
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