Micro SD Memory In Card 4K Stick Reader In Memory A1 32 GB A2 128GB 256GB 512 GB 1TB Extreme Pro Micro 64 GB Class 10 U 3 Card

SanDisk Micro SD Card A2Read Speed 190M/s Memory Card Extreme Micro SD UHS-I TF Card U3 V30 32GB 64GB 128GB 256GB Support 4K SDSQXAA-0128G for GOPRO

About capacity:

8GB=approximately 7GB-7.5GB

16GB=approximately 14GB-15GB

32GB=approximately 28GB-30GB

64GB=approximately 58GB-60GB

128GB=approximately 115GB-119GB

256GB=approximately 230GB-238GB

512GB=approximately 450GB-500GB

1TB=approximately 880GB-980GB

This is calculation difference between manufacturer(1GB=1000MB) and our PC(1GB=1024MB),please Google Memory card capacity to get more information.

●Tips: If the speed detection of the memory card decreases, it is related to the performance of the computer configuration! Please switch to a higher-end computer test! Thank you

1. The factory capacity of the capacity hardware manufacturer is calculated according to 1MB-1000KB, 1B-1000MB, and the extraction system adopts binary algorithm, that is, 1MB-1024KB, 1B-1024MB, so the display capacity of flash memory products is about 90% of the nominal capacity, which is a normal situation. 16GB display capacity is about 14.4GB: 32GB industry display capacity is about 28.8GB: 64GB display capacity is about 57.6GB: 128GB display capacity is about 115.2GB: 256GB Kunshi capacity is about 230.4GB

2. The manufacturer's nominal speed is based on the internal host test speed, which is the ideal peak, and the use will be lower than the nominal speed due to external factors such as device configuration/horizontal system/device interface type, transmission file type, file size, etc., please refer to the actual reading speed.

●Sandisk official has the right to repair the packaging, so if there are any packaging changes, please check with the Sandisk official 

Use the Sandisk Mobilemate USB 3.0 Reader plugged into a USB 3 port. The type of reader you use for speed tests makes a huge difference.
When you used one of the cheap card readers(USB2.0), the maximum speed was only about 25 MB/s for each card. So make sure you use a reader with a good controller for the test. Otherwise, The speed will not reach the speed of the card itself. So it is not the SD microSD cards that are to blame for the lower speeds, but the "old" hardware that does not support the newer technology.
FOR A1 / A2 CARDS, A NEW CARD READER IS REQUIRED IN ORDER TO APPROXIMATELY REACH THE SPECIFIED VALUES!
Attached is a screenshot of one test achieving:
100% Genuine SanDisk Extreme microSDXC UHS-I Memory Card & USB3.0 Reader B531 Detect it
-* Max to 190MB/s read speeds to save time transferring high res images and 4K UHD videos; Requires compatible devices capable of reaching such speeds.
-* Max to 130MB/s write speeds for fast shooting; Requires compatible devices capable of reaching such speeds.
-* 4K UHD and Full HD Ready with UHS speed class 3 (U3) and video speed class 30 (V30).
-* Rated A2 for faster loading and in app performance
Built for and tested in harsh conditions: Temperature Proof, Water Proof, shock Proof and x ray Proof
-* Get the SanDisk memory zone app for easy file management (available on Google Play)
-* High-Performance for flawless 4K video
Extreme speeds for fast transfer, app performance, and 4K UHD video
1.Save time transferring content
Quick read speeds of up to 190MB/s* [100MB/s for 32GB] let you transfer 1000 high-resolution photos and 30 minutes of 4K video (24GB) in less than 3 minutes.
2.Capture frames faster
Capture fast-action photos or shoot 4K UHD video with write speeds of max to 130MB/s.* The SanDisk Extreme microSDXC UHS-I Card lets you shoot more and faster.



3.Great for Capturing 4K UHD Video

Ideal for recording events without skipping frames. The SanDisk Extreme microSD UHS-I card lets you capture uninterrupted 4K UHD and Full HD video with U3 and V30 ratings.

4.Easy File Recovery with RescuePRO Deluxe Software
The card comes with a RescuePRO Deluxe data recovery software download offer. This software makes it easy to recover files that have been accidentally deleted (download required).
5.Durable Design for Use in Extreme Environments
The card is shockproof, temperature-proof, waterproof, and X-ray-proof,so you can enjoy your adventures without worrying about the durability of your memory card.




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