Samsung EVO Select U3 microSD: 256GB $45, 128GB $20, 64GB Expired

As of 11/30/2018, purchase of 256GB card is limited to one per account.

Benchmark for the 128gb
Sequential Read (Q= 32,T= 1) : 92.895 MB/s
Sequential Write (Q= 32,T= 1) : 86.827 MB/s
Random Read 4KiB (Q= 32,T= 1) : 6.811 MB/s [ 1662.8 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 2.963 MB/s [ 723.4 IOPS]
Sequential Read (T= 1) : 94.807 MB/s
Sequential Write (T= 1) : 89.951 MB/s
Random Read 4KiB (Q= 1,T= 1) : 5.418 MB/s [ 1322.8 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 2.358 MB/s [ 575.7 IOPS]



Each card has its own speed rating R/W:
32 - 95/20
64 - 100/60
128/256 - 100/90

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"Would AlpineMan recommend these for use on dashcams and security cameras? NO!

Samsung voids the warranty if you use these on dashcams or any other continuous recording devices such as security cameras.
https://www.samsung.com/us/suppor...MP128GA/AM

Sandisk has a similar warranty void.
https://www.sandisk.com/about/leg...ted-states

What you need are cards labeled "High Endurance" for dashcams, security cameras, etc."

Other than the warranty, these cards will work perfectly fine in a dashcam.

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"Uh...NO. It's not just a warranty issue. It's also a data integrity issue. Here's a good read on why you should use high endurance cards for dashcams: https://carcamcentral.com/guide/r...ltra-cards

If you're good with risking data loss at the most critical time, sure...go use these cards for dashcams. Yes, you can get 2 of these cards instead and use one as a backup, but will the other card have a backup of your lost data? Nope. You're thinking only of physical card replacement...not data replacement. Critical data is worth a lot more than SD cards. That's like saying...hmmm, I'll just buy 8 tires and use the other 4 as a backup in case my cheap tires blow up. Uh...how about what could result when you're in the freeway and your tires blow up?

Look at the big picture folks!"

Feel free to backup any of that statement with data and evidence. Btw, read your own link, it lists zero proof. Just tons of speculation.
fyi, when microsd cards fail, they generally go into read only mode. Data is there, you just can't change it or delete it, but you can read it.

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This card works great in a dashcam. Mine has served flawlessly for about a year now running 24/7. An equivalent high endurance card costs over twice the price so just buy two of these, have a backup, and still save. Also, the high endurance only has a 5-year warranty (half of this cards warranty). This is also a U3 card versus U1 for the high endurance. There are risks either way. This is just my opinion.
Here is the high endurance card I was referring to.
https://www.amazon.com/Samsung-En...emory+card

IF you are concerned about your warranty being void due to dash camera use, be aware that when you initiate a return, notify manufacturer that the failed card contains proprietary and potentially protected (HIPAA compliance) data. My wife, and ER doctor, had a card fail on her phone, and Sandisk recommended snapping the card into pieces before returning it. So there are ways to avoid revealing the contents of the card without voiding the warranty.

================
As of 906am EST 11/19/2018, $5.99 32GB Samsung EVO Select U1 microSDXC Memory Card w/ Adapter is not an add-on item.

As of 10:50am PST 11/29/18 the 32GB card is an add-on item.







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