On a technical level, what exactly makes these have a longer lifespan than the standard samsung micro sd cards?

It is MLC. I attached link. https://news.samsung.com/global/video-5-years-vs-3-months-samsungs-new-pro-endurance-memory-cards

Does it support Blackvue DR900s 2ch?

I've had this in my Blackvue DR900S-2CH for nearly 2 years without any issues. I previously had a Sandisk High Endurance card and it would randomly reboot every few weeks. This Samsung card has been rock-solid

Does 32gb work well for tesla sentry?

Yes, I have both the 128 and 32 as a backup for my Tesla, both work great. If you go above 32 you have to use another program to format to fat 32, but it’s not difficult.

Is the 32gb pre-formatted to fat32?

Just as an FYI, if you have a card reader for your PC, there are free programs that'll allow you to reformat any SD/HDD/SSD to FAT32--even the largest ones. (one utility is "fat32format") The inability to format cards >32GB as FAT32 from within the built-in Window's utilities is an arbitrary limitation they've set, essentially removing our choice in the matter for whatever reasons. The actual maximum partition size for FAT32 is 2TB. I've found this often also gets around many devices' supposed maximum supported card size--the max size they claim is based on the version of ExFAT/licensing that's legal for the device, and if they didn't license ExFAT support in the firmware, they usually only claim a 32GB max, however I've run FAT32 formatted cards of 64/128GB in more devices than I can remember that said they couldn't do it... but they did when it was the correct format.

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Samsung PRO Endurance 128GB 100MB/s (U1) MicroSDXC Memory Card with Adapter (MB-MJ128GA/AM)

Samsung PRO Endurance 128GB 100MB/s (U1) MicroSDXC Memory Card with Adapter (MB-MJ128GA/AM)

Product ID: 255696361

Details

Brand
Samsung
Compatible devices
Camera
Flash memory type
Micro SDXC SD
Memory storage capacity
128 GB
Model name
PRO Endurance

⚡100MB/s read speed

🔋43,800 hours continuous 4K recording

🛡️5-proof durability

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R3035

Duties & taxes included

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎥 Capture Every Moment, Endure Every Challenge

PEACE OF MIND WARRANTY - Backed by a 5-year limited warranty ensuring long-term reliability and trust.
ENDURANCE THAT OUTLASTS - Record non-stop for up to 43,800 hours—25x longer than typical speed-focused cards.
ULTRA FAST TRANSFER SPEEDS - Seamlessly handle large 4K and Full HD files with up to 100MB/s read and 30MB/s write speeds.
BUILT FOR EXTREME CONDITIONS - Shock, water, temperature, X-ray, and magnetic proof to protect your critical data anywhere.
TAILORED FOR VIDEO MONITORING - Optimized for dash cams, security, and body cameras to capture every crucial moment flawlessly.

Samsung 128GB MicroSDHC PRO Endurance Memory Card is engineered for continuous video monitoring with ultra-fast 100MB/s read speeds and exceptional durability. Designed to withstand harsh environments with 5-proof protection, it supports up to 43,800 hours of 4K and Full HD recording, making it the ultimate reliable storage solution for dash cams, security, and body cameras.

Specifications

ASIN	B07B984HJ5
Additional Features	Drop Proof, Magnetic Proof, Temperature Proof, Water Proof, X Ray Proof
Brand	Samsung
Built-In Media	MicroSD Memory Card and Full-Size Adapter
Color	Multicolor
Compatible Devices	Camera
Customer Reviews	4.8 4.8 out of 5 stars (18,032)
Flash Memory Type	Micro SDXC, SD
Global Trade Identification Number	00887276260129
Hardware Connectivity	microSDXC
Item Dimensions L x W	13.8L x 8.9W centimeters
Item Type Name	Samsung 128GB 100MB/s (U1) Pro Endurance Micro SD Memory Card with Adapter (MB-MJ128GA/AM)
Item Weight	14 g
Manufacturer	Samsung Electronics DAV
Media Speed	30
Memory Storage Capacity	128 GB
Mfr Part Number	MB-MJ128GA/AM
Model Name	PRO Endurance
Model Number	MB-MJ128GA/AM
Read Speed	100 Megabytes Per Second
Secure Digital Association Speed Class	Class 10
UPC	887276260129
Unit Count	1 Count
Warranty Type	Limited

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