Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black
Reviewed 23 August 2026 · price checked live
Check price on Amazon →Overview
This 128GB card reads at up to 100MB/s and carries U3 and A2 ratings, so it handles 4K and Full HD video, RAW files and burst photos, plus quick app loading on a phone. It works with the original Nintendo Switch, though not the Switch 2, so check your device first. There is a full-size SD adapter in the box, and the card is built tough, with shock, water and temperature resistance for travel. A 4.6-star rating from over 96,000 buyers makes it a dependable, cheap pick. Check the current price on Amazon.
- Brand
- Amazon Basics
- Amazon rating
- 4.6 / 5 from 96,207 ratings
- vs Camera & Photo
- level with the category median of 4.6
- Rank in category
- 16 of 47 rated camera & photo we track
- Price position
- Towards the top of the range (category spans £3.19 to £60.00)
- How proven
- Well established, above-average review volume
How it compares in Camera & Photo
Across the 47 rated camera & photo products we track, the typical score is 4.6 out of 5. This one sits at 4.6, which is around the middle of the category. Ratings alone will not separate it from its rivals here, so price and the specifics below matter more than the star count.
It carries 96,207 ratings against a category median of 13,682. A rating from a large base is harder to distort and tends to hold up over time, so a high score here means more than the same score on a new listing.
On price it sits in the upper third of a category running from £3.19 to £60.00, where the midpoint is about £17.99. Paying above the category norm needs a reason beyond the rating, because the score alone does not justify the gap here.
Worked out from the 47 camera & photo products in our catalogue, not from the brand's own claims. How we rank →
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.
Not sure yet?
See how it stacks up against the SanDisk alternative: Amazon Basics microSDXC Memory Card with vs SanDisk 128GB Ultra microSDXC card →
