Will this work on a Dashcam?

I would only use this for 1080p dashcams. Anything 1440p and higher, find a faster one. The "endurance" cards are useless if they can't support the write speed. I learned the hard way.

What company makes these? i get that it’s amazon, but is this samsung or another company?

Longsys Electronics makes these cards. They also make the chips used in the Lexar brand

do i use this for more kindle devise memory?

Kindle accepts standard size SD cards, not Micro SD cards. However the adapter that comes with every Micro SD card, allows the Micro SD to be read inside devices that only use standard size SD cards... Since the adapter turns your Micro SD into a full size card you could use it with a kindle, but it needs to be INSIDE THE ADAPTER. The adapter allows interoperability between devices, so you can transfer bulk files easily from your kindle to something needing a micro SD, like a cell phone. It mustn't ever be inserted to a kindle as a microSD without an adapter, it'd get stuck in the slot, and you'd only have on board storage available. If you're at all unsure about how to use the adapter, or don't need to use it in other devices at all, full size SD cards (which don't need any adapter) are actually cheaper the their micro SD counterparts. Here's an example of a full size SD card, that you could insert in your kindle without an adapter (it costs a bit less too). I hope this info helped someone! https://amzn.to/3F7ZDv3

Amazon Basics 256gb Microsdxc Memory Card With Full Size Adapter

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Description

⚡ Unlock speed and space—never miss a moment!

BLAZING FAST TRANSFERS - Experience lightning-quick 100MB/s speeds that keep up with your busiest workflows.
MASSIVE 256 GB CAPACITY - Store thousands of photos, videos, and files without ever worrying about space.
RELIABLE U 3 SPEED CLASS - Capture and playback 4K UHD videos flawlessly with U3 certification.
COMPACT DURABLE DESIGN - Slim, lightweight, and built to last—perfect for on-the-go professionals.
VERSATILE FULL SIZE ADAPTER - Seamlessly switch between devices with the included SD adapter for cameras and laptops.

The Amazon Basics 256GB MicroSDXC card delivers ultra-high-speed 100MB/s transfers with U3 certification, ensuring smooth 4K video capture and rapid file handling. Its massive 256GB capacity and included full-size SD adapter make it a versatile, reliable storage solution for smartphones, cameras, and laptops, all packed into a compact, durable design favored by professionals and tech enthusiasts alike.

Specifications

ASIN	B08TJZDJ4D
Additional Features	Ultra High Speed
Best Sellers Rank	#415 in Electronics ( See Top 100 in Electronics ) #4 in Micro SD Cards
Brand	amazon basics
Brand Name	amazon basics
Colour	black/customized
Compatible Devices	Smartphone
Customer Reviews	4.0 out of 5 stars 131,483 Reviews
Flash Memory Type	Micro SDXC
Hardware Connectivity	microSDXC
Importer Contact Information	CLICKTECH RETAIL PRIVATE LIMITED, 18, RABINDRA SARANI, PODDAR COURT, GATE NO.2, GROUND FLOOR KOLKATA, WEST BENGAL, 700001, INDIA.
Item Dimensions D x W x H	11D x 15W x 3H Millimeters
Manufacturer	LONGSYS ELECTRONICS(HK) CO. LTD, 7/F, NO. B, EVER GAIN CENTRE, 28, ON MUK STREET, SHATIN , N.T HONG KONG., Longsys Electronics (HK) Co., Limited
Manufacturer Contact Information	LONGSYS ELECTRONICS(HK) CO. LTD, 7/F, NO. B, EVER GAIN CENTRE, 28, ON MUK STREET, SHATIN , N.T HONG KONG.
Manufacturer Part Number	LSMICRO256GU3
Memory Storage Capacity	256 GB
Model Name	LSMICRO256GU3
Model Number	LSMICRO256GU3
Packer Contact Information	LONGSYS ELECTRONICS(HK) CO., LTD. 7/F, No B, EVER GAIN CENTRE, 28 ON MUK STREET, SHATIN, N .T HONG KONG
Read Speed	100 Megabytes Per Second
Secure Digital Association Speed Class	Class 10
UPC	840095874038
Unit Count	1 Count
Warranty Description	1 Year warranty - For warranty related queries, contact: 1800-419-2373 or email: [email protected] (Working hours: 10am to 6pm on Monday-Saturday except National Holidays)

Reviews

S**A

16.07.2025

R**O

17.04.2026

P**R

22.03.2026

A**.

12.04.2026

A**R

30.03.2026

J**A

26.08.2025

C**N

21.04.2026

R**R

20.03.2026

K**L

26.12.2025

G**B

8.01.2025

S**O

20.12.2025

E**R

22.03.2026

Z**O

4.02.2024

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Amazon Basics 256Gb Microsdxc Memory Card with Full Size Adapter, 100Mb/S, U3

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