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128GB Sandisk Extreme U3 A2 microSD Memory Card - $29.99 + Free Shipping @ Newegg

$29.99
+21 Deal Score
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How it compares to the Samsung EVO Select ($19.99 via this Frontpage deal)
  • U3 speed rating (ideal for up to 4K video recording, same as the Samsung)
  • Read Speed: Sandisk 160MB/s / Samsung 100MB/s
  • Write Speed: Sandisk 90MB/s / Samsung 90MB/s (128GB model)
  • Warranty: Sandisk - Lifetime / Samsung - 10-Year
  • Application Speed Class rating: Sandisk - A2 / Samsung - N/A
More info:
  • Ideal for Android phones supporting 'Adoptable Storage' running Marshmallow 6.0 or higher to expand internal storage capacity. Learn more here [androidcentral.com].
  • Also learn about the "Application Speed Class 2 (A2)" rating here [mymemory.co.uk] (focusing on increased random read/write speeds for better app performance when using Adoptable Storage).
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13 Comments

1

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This comment has been rated as unhelpful by Slickdeals users
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Our community has rated this post as helpful. If you agree, why not rep hapollo?
#2
Marketing terms? Android Adoptable Storage Optimized? Aren't all MicroSD adoptable?

Just buy the Samsung EVO Select for $10 less and don't fall for the marketing. or spend the $10 saved on the 64GB as a bonus.
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Last edited by hapollo December 6, 2018 at 04:18 PM.
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#3
Pretty sure every Android phone in existence is limited to like 20MBps writes, none of them ever see the 100/160/90MBps reads or writes, I can't wait for SD express to come fix this crap
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#4
Will this be good for DSLR?
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#5
$10 more than samsung
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#6
From the specs: Class 10; Video Speed Class 30 (V30); UHS Speed Class 3 (U3); Application Speed Class 2 (A2)
WTH? I haven't been paying attention to microSD technology, but how many speed classes do they need?
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#7
Quote from hughjaas
:
From the specs: Class 10; Video Speed Class 30 (V30); UHS Speed Class 3 (U3); Application Speed Class 2 (A2)
WTH? I haven't been paying attention to microSD technology, but how many speed classes do they need?
I have been using this as a guide:

https://www.sdcard.org/developers...eed_class/

But the A1 A2 is a different classification altogether,
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#8
Read the fine print for this card, it will only reach 160 MB/s if you use a special card reader [sandisk.com] because it uses "proprietary technology." I've tested this card on a regular USB 3.0 card reader and it got about 80-85 MB/s read speed, which was slightly slower than my 128 GB Samsung EVO Select card.



Quote :
* For 128GB-400GB: Up to 160MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 90MB/s write speeds. For 64GB: Up to 160MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, requires compatible devices capable of reaching such speeds. Up to 60MB/s write speeds. For 32GB: Up to 100MB/s read speeds; up to 60MB/s write speeds. Based on internal testing; performance may be lower depending upon host device interface, usage conditions and other factors. 1MB=1,000,000 bytes.
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#9
If any of you have this card, can you suggestion a Card Reader that supports UHS-I read speeds over 100MB/s? None of the ones I tried work (all capped at 100 MB/s). The 300 MB/Sec card reader I got only supports this speed for UHS II and still caps it at 100 MB/s for this card. Since the main advantage to this card is the read speed of 160MB/s, I'd love to find a reader that support this speed.
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#10
Quote from hughjaas
:
From the specs: Class 10; Video Speed Class 30 (V30); UHS Speed Class 3 (U3); Application Speed Class 2 (A2)
WTH? I haven't been paying attention to microSD technology, but how many speed classes do they need?
I believe the difference is mainly between random and sequential access. See the comments on this deal: https://slickdeals.net/f/12374755-128gb-sandisk-ultra-uhs-i-microsdxc-memory-card-w-adapter-20-free-shipping
also, see the article linked in the main post...
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Last edited by Efreak December 7, 2018 at 08:29 PM.
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#11
Quote from k43kf0
:
$10 more than samsung
Samsung is worst for Video recording (dash-cams, action cams especially 4k type). Samsung void warranty if used for this purpose. Their memory cells die in no time n camera stops working until u change the micro sd card.
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#12
Quote from Janjua007
:
Samsung is worst for Video recording (dash-cams, action cams especially 4k type). Samsung void warranty if used for this purpose. Their memory cells die in no time n camera stops working until u change the micro sd card.
Haven't had any of those issues so far . Crossing my fingers
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#13
I use the Extreme at track days for recording in car video on my Galaxy S7 mounted on the dash. Prior to switching, I tried EVO and Ultra cards. They all failed due to heat.

Price us showing $31.99.
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Last edited by voiddweller December 10, 2018 at 04:37 AM.
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#14
These are recommended for use with all GoPro cameras because the V30 guarantees that they will copy at a continuous 30MB (megabytes not megabits) per second.
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