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 64GB MicroSDXC Memory Card with Adapter for Dash Cam, Body Cam, and security camera – Class 10, U1, V10 (MB-MJ64KA/AM)

SAMSUNG PRO Endurance 64GB MicroSDXC Memory Card with Adapter for Dash Cam, Body Cam, and security camera – Class 10, U1, V10 (MB-MJ64KA/AM)

Product ID: 467005246

Details

Brand
Samsung
Colour
White
Compatible Devices
Camera
Flash Memory Type
Micro SD
Item Weight
0.25 Grams
Memory Storage Capacity
64 GB

⏳Up to 35,040 hrs recording

⚡100/40 MB/s read/write speeds

🛡️Water, drop & magnet resistant

Description

🛡️ Capture Every Moment, No Matter What.

TRUSTED BRAND LEGACY - From the world’s #1 flash memory maker since 2003, backed by a 3-year warranty for peace of mind.
SEAMLESS COMPATIBILITY - Includes adapter for instant use with dash cams, body cams, and security cameras—plug and protect.
ENDURANCE THAT OUTLASTS - Record nonstop for up to 35,040 hours—because your security deserves marathon-grade memory.
SPEED MEETS RELIABILITY - Class 10, U1, V10 speeds ensure smooth 4K/FHD capture and quick file transfers without a hitch.
BUILT FOR THE REAL WORLD - Engineered to resist water, drops, magnets, and X-rays—your data stays safe no matter the environment.

The Samsung PRO Endurance 64GB microSDXC card is designed for continuous high-resolution video recording with up to 35,040 hours of endurance. Featuring Class 10, U1, V10 speed ratings, it supports smooth FHD and 4K video capture. Built tough to withstand water, drops, magnets, and X-rays, it’s ideal for dash cams, body cams, and security cameras. Comes with an adapter and a 3-year warranty from the world’s leading flash memory brand.

Specifications

ASIN	B09W9XYQCQ
Additional Features	Wearout Proof, X Ray Proof
Brand	Samsung
Brand Name	Samsung
Colour	White
Compatible Devices	Camera
Customer Reviews	4.7 out of 5 stars 625 Reviews
Flash Memory Type	Micro SD
Hardware Connectivity	microSDXC
Item Type Name	Memory Card
Item Weight Unit of Measure	0.25 Grams
Manufacturer	samsung
Manufacturer Part Number	MB-MJ64KA/AM
Media Speed	40 mb / s
Memory Storage Capacity	64 GB
Model Name	PRO Endurance
Model Number	MB-MJ64KA/AM
Read Speed	40 Megabytes Per Second
Secure Digital Association Speed Class	Class 10
UPC	887276591087
Warranty Type	Limited

Reviews

C**S

Working well.

12.11.2024

R**A

Worth the price

16.04.2025

A**R

Good product

28.06.2025

A**G

Great price and good quality

2.12.2023

C**N

These are now my standard cards for security cam use.

6.05.2025

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