Nov 6, 2017
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Sandisk Ultra 400GB Micro SDXC UHS-I A1-Rated Card Review

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After Android marshmallow OS release in 2015, we can do even more with our microSD cards including running apps directly from the card to free up device memory for other tasks. The demand of application memory expansion becomes even stronger with the introduction of Android’s Adoptable Storage Device capability. There is a growing need for a combination of random and sequential performance levels improvement.

The Sandisk Ultra 400GB Micro SDXC UHS-I already meet the App Performance Class 1 or A1 and we will show you why A1 class is important for storage card these days. Generally, we couldn’t easily tell by looking at our card if it could also run apps that’s why the Application Performance Class can help us to find a card for running apps without slow and sluggish.

The Application Performance Class 1 (A1) was defined by SD Physical 5.1 specification. Not only for storing maps, pictures, videos, music, dictionary and documents, it also enables user to be freed form sluggish for editing and updating data. Cards displaying the app performance level 1 or A1 symbol offer minimum random read input/output access per second of 1500, write IOPS of 500 and sustain sequential speeds of at least 10 megabytes per second.

The 400GB SanDisk Ultra microSDXC UHS-I card is the highest-capacity microSD card on the market right now. It not only gives you the freedom to shoot, save and share more than ever before. With transfer speeds of up to 100MB/s, you content will move fast plus A1-rated performance optimized for apps, delivering faster app launch and performance that provides a better smartphone experience. Ideal for Android Smartphones and Tablets.

It not only make your phone or tablet ran app faster, this 400GB SanDisk Ultra also work with Nintendo Switch too. You will deliver huge storage for your games plus faster game loading speed. It requires system update in order to use microSDXC with your Nintendo Switch.

Nintendo Switch with microSDXC card

Nintendo Switch with microSDXC card

Sandisk Ultra 400GB Micro SDXC UHS-I with A1-rated is optimized for running apps, delivering faster app launch alongside with breakthrough capacity of 400GB. If you looking for better speed plus huge storage, this card is best for you.

Key features

  • Up to 400GB to store even more hours of Full HD video7
  • Class 10 for Full HD video recording and playback2
  • Up to 100MB/s transfer speeds let you move up to 1200 photos in a minute6
  • Load apps faster with A1-rated performance1. Durability-shockproof, temperature extremes, waterproof, x-ray proof
  • Ideal for Android smartphones and tablets, and MIL cameras

Sandisk Ultra 400GB Micro SDXC UHS-I Card with Adapter – SDSQUAR-400G-GN6MA


After Android marshmallow OS release in 2015, we can do even more with our microSD cards including running apps directly from the card to free up device memory for other tasks. The demand of application memory expansion becomes even stronger with the introduction of Android’s Adoptable Storage Device capability. There is a growing need for a combination of random and sequential performance levels improvement. The Sandisk Ultra 400GB Micro SDXC UHS-I already meet the App Performance Class 1 or A1 and we will show you why A1 class is important for storage card these days. Generally, we couldn't easily tell by looking at our card if it could also run apps that's why the Application Performance Class can help us to find a card for running apps without slow and sluggish. [embed]https://www.youtube.com/watch?v=5DkrwfY2jw4[/embed] The Application Performance Class 1 (A1) was defined by SD Physical 5.1 specification. Not only for storing maps, pictures, videos, music, dictionary and documents, it also enables user to be freed form sluggish for editing and updating data. Cards displaying the app performance level 1 or A1 symbol offer minimum random read input/output access per second of 1500, write IOPS of 500 and sustain sequential speeds of at least 10 megabytes per second. The 400GB SanDisk Ultra microSDXC UHS-I card is the highest-capacity microSD card on the market right now. It not only gives you the freedom to shoot, save and share more than ever before. With transfer speeds of up to 100MB/s, you content will move fast plus A1-rated performance optimized for apps, delivering faster app launch and performance that provides a better smartphone experience. Ideal for Android Smartphones and Tablets. [embed]https://www.youtube.com/watch?v=kZem01RQOeQ[/embed] It not only make your phone or tablet ran app faster, this 400GB SanDisk Ultra also work with Nintendo Switch too. You will deliver huge storage for your games plus faster game loading speed. It requires system update in order to use microSDXC with your Nintendo Switch. [caption id="attachment_467" align="aligncenter" width="950"] Nintendo Switch with microSDXC card[/caption] Sandisk Ultra 400GB Micro SDXC UHS-I with A1-rated is optimized for running apps, delivering faster app launch alongside with breakthrough capacity of 400GB. If you looking for better speed plus huge storage, this card is best for you. Key features Up to 400GB to store even more hours of Full HD video7 Class 10 for Full HD video recording and playback2 Up to 100MB/s transfer speeds let you move up to 1200 photos in a minute6 Load apps faster with A1-rated performance1. Durability-shockproof, temperature extremes, waterproof, x-ray proof Ideal for Android smartphones and tablets, and MIL cameras Sandisk Ultra 400GB Micro SDXC UHS-I Card with Adapter - SDSQUAR-400G-GN6MA [taq_review] [sc name="amzads"] [amazon bestseller="sandisk ultra" count="3"] [expand title="Sandisk Ultra 400GB Micro SDXC UHS-I A1-Rated Card Review"] sandisk ultra a1 benchmark sandisk ultra a1 review sandisk ultra a1 sandisk ultra a1 write speed sandisk ultra 400gb microsd card sandisk ultra a1 vs sandisk ultra sandisk ultra a1 16gb sandisk ultra a1 128gb sandisk ultra a1 32gb sandisk ultra 400gb microsdxc uhs-i…

Our Rating

Overall - 9.5

9.5

Excellent

Optimized for running apps, delivering faster app launch alongside breakthrough capacity of 400GB. If you looking for better speed plus huge storage, this card is best for you.

User Rating: 4.6 ( 1 votes)
43%Bestseller No. 1
Sandisk Ultra 64GB Micro SDXC UHS-I Card with Adapter - 100MB/s U1 A1 - SDSQUAR-064G-GN6MA
  • Ideal for Android-based smartphones and tablets
  • Transfer speeds of up to 100MB/s**
  • Rated A1 for faster app performance3 and UHS Speed Class U1 and Speed Class 10 for Full HD video recording and playback1
  • Shockproof, temperature-proof, waterproof, and X-ray-proof2. Compatibility :Compatible with microSDHC and microSDXC supporting host devices
  • Operating temperature is minus 25 degree to 85 degree celsius
25%Bestseller No. 2
SanDisk 64GB Ultra SDXC UHS-I Memory Card SDSDUNC-064G-GN6IN
  • Great for compact-to-midrange point-and-shoot digital cameras and camcorders
  • Twice As Fast As Ordinary SDHC Cards, Allowing You To Take Pictures And Transfer Files Quickly
  • Exceptional video recording performance with Class 10 rating for Full HD video (1080p). Compatibility : SDHC-I/SDXC-I devices
  • Quick transfer speeds up to 80MB/s and Waterproof, temperature-proof, X-ray proof, magnet-proof, shockproof
  • 10-year limited warranty
31%Bestseller No. 3
SanDisk Ultra 128GB microSDXC UHS-I Card with Adapter, Black, Standard Packaging (SDSQUNC-128G-GN6MA)
  • Class 10 for Full HD video recording and playback
  • Memory Zone app lets you auto-manage media and memory for peak phone performance
  • Comes with SD adapter for use in cameras. Ten-year limited warranty
  • Designed for Android smartphones, tablets and other microSDXC compatible devices. Fast transfer speeds of up to 80MB/s
  • Add up to 128GB of storage to your device
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Last update on 2018-11-13 at 09:24

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