most write protect switches are "advisory" and enforced by the computer OS. does this actually disable write at the usb flash drive level?

It physically stops writing and has saved me countless times from viruses.

what is a read-only flash drive?

The flash drive is actually conditionally read-only, depending upon the position of the read-only switch. In the read-only position, the drive cane be read from but not written to -- this is useful if you want to use it to store a clean copy of an operating system installation disk (especially since a fair number of modern computers do not have a CD/DVD/BluRay drive, let alone floppy drive, that would have served the same purpose in past years) -- you never know when you might need this if your computer develops a persistent crash or virus/worm/Trojan horse infection. In the other position, the drive can be written to -- this is how you put the clean copy of the operating system installation disk (or whatever) on there in the first place (from a known good system).

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Kanguru FlashBlu30 – 16GB USB Flash Drive – Physical Write Protection Switch - Super Fast USB 3.0

Product ID: 12276003

Details

Brand
Kanguru
Hardware Interface
USB 3.0
Memory Storage Capacity
16 GB
Special Feature
Lightweight
Write Speed
145 MB/s

⚡120 MB/s read speed

💧Waterproof & durable aluminum casing

🔒Physical write-protect switch

Rp3211014

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Sold byAmazon IndonesiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Lock, Load & Flash Your Data in Style!

BLAZING USB 3 0 SPEEDS - Transfer your files in a flash with up to 120 MB/s read and 50 MB/s write speeds—because your time is money.
UNIVERSAL COMPATIBILITY - Seamlessly plug and play across Windows, Mac, and Linux systems with backward USB 2.0 support—no device left behind.
BUILT TO LAST GUARANTEED - Backed by a 3-year warranty and 10+ years of data retention, this flash drive is your reliable partner for long-term storage.
SLEEK RUGGED PORTABILITY - Crafted from high-strength aluminum, this lightweight drive fits effortlessly in your pocket or laptop bag, ready for any adventure.
UNBREAKABLE DATA SECURITY - Flip the physical write-protect switch to lock your files from accidental edits or malware—your digital fortress on the go.

The Kanguru FlashBlu30 is a 16GB USB 3.0 flash drive featuring ultra-fast transfer speeds up to 120 MB/s read and 50 MB/s write, a physical write-protect switch for enhanced data security, and a durable waterproof aluminum casing. Compatible with Windows, Mac, and Linux, it offers plug-and-play convenience and is backed by a 3-year warranty with over a decade of data retention reliability.

Specifications

ASIN	B00JJIE95G
Additional Features	Lightweight, Physical write protect switch, Super Fast USB 3.0, Water Proof
Best Sellers Rank	#448 in USB Flash Drives
Brand	Kanguru
Color	blue
Compatible Devices	Linux, MacOS, Ms windows
Compatible Phone Models	Windows Xp
Connectivity Technology	USB
Customer Reviews	4.6 out of 5 stars 210 Reviews
EU Spare Part Availability Duration	3 years
Flash Memory Type	USB
Global Trade Identification Number	07051101115608
Hardware Connectivity Technology	USB Type A
Hardware Interface	USB 3.0
Item Dimensions D x W x H	1.1"D x 2.83"W x 1.1"H
Item Weight	0.01 kg
Manufacturer	Kanguru Solutions
Memory Storage Capacity	16 GB
Mfr Part Number	ALK-FB30-16G
Model Name	FlashBlu30
Model Number	ALK-FB30-16G
Number of Items	1
Number of Packs	1
Read Speed	120 megabytes_per_second
Special Feature	Lightweight, Physical write protect switch, Super Fast USB 3.0, Water Proof
UPC	185732444244 705110111560
Unit Count	1 Count
Warranty Description	3 Years
Write Speed	50 megabytes_per_second

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