- #Tech tool pro derive flash drive size how to#
- #Tech tool pro derive flash drive size install#
- #Tech tool pro derive flash drive size software#
*Usable* size: 496.03 MB (1015873 blocks)Īnnounced size: 29.72 GB (62333952 blocks)Īs you can see, the real actual size of 32GB Micro SD Card is much lower. You can "fix" this device using the following command: $ sudo f3probe -destructive -time-ops /dev/mmcblk0īad news: The device `/dev/mmcblk0' is a counterfeit of type limbo Physical block size: 512.00 Byte (2^9 Bytes)ĭo not restore blocks of the device after probing itĬheck the actual capacity of the SD card: Good news: The device `/dev/sdb' is the real thing WARNING: Probing normally takes from a few seconds to 15 minutes, but
#Tech tool pro derive flash drive size software#
This is free software see the source for copying conditions. Check Real Size of USB Flash DriveĬheck the real size of the USB flash drive: $ sudo f3probe -destructive -time-ops /dev/sdbĬopyright (C) 2010 Digirati Internet LTDA.
In the example above, sdb device name corresponds to my 32GB USB Flash Drive and mmcblk0 is a 32GB Micro SD Card. List block devices and search for the name of the device you want to test: $ lsblk Insert the USB thumb drive or SD card which real size you want to find out. Hardware Diagnostic Tools addresses the owners of HP-branded computers (desktop as well as Sergei Strelecs WinPE creates a bootable DVD or thumb drive for PC.
#Tech tool pro derive flash drive size install#
Install f3 ( Fight Fake Flash), a simple tool that tests capacity and performance of USB flash drives and SD cards:
#Tech tool pro derive flash drive size how to#
In this note i will show how to find out the actual size of USB flash drives and SD cards, how to fix drives with fake capacity and how to measure the real READ/WRITE performance.Ĭool Tip: Test performance of HDD, SSD, USB Flash Drive, SD card! Read more → Fake Flash Test Linux and MacOS users can do this from the command line using the f3 – a set of tools for testing for fake USB flash drives and SD cards by measuring their real capacity and READ/WRITE speed. MalvaStyle USB Repair Version 3.0.4 Now available The Search Function is back.Download Link. Once a USB flash drive or an SD card is purchased, it is a good idea to check if the announced capacity of a device is real or fake (as a system may show a wrong size).
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