大家好，我近期人在國外，為了讓小孩上線上的課程買了一台三星A7 10.4" 3g/64g 平板電腦 ，想擴充一個至少有128GB的micro SD card，想請教大家有哪些比較好的選項。
謝謝各位👍🙏
Samsung Tab A7 10.4"
Samsung Tab A7 Lite LTE
Amazon Kindle HD8
我買了3張.
SanDisk,也可列入考慮
如果你需要更高效能,那就找A2 U3標示的產品.
Microsd u1 vs u3
Faster SDXC memory cards will have the UHS rating, or Ultra High Speed, represented by a number inside the letter “U.” U1 means it's 10 MB/s; U3 means it's rated at 30 MB/s.
What is the difference between A1 and A2 SD cards?
Image result for micro sd a1 vs a2
The Class A1 SD card requires a minimum of 1500 IOPS reading and 500 IOPS writing speeds, while A2 requires 4000 and 2000 IOPS. To obtain higher speeds, the A2 SD card requires a host driver since it utilizes command queuing and writes caching.
希望能幫到你.
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