CapacityTester is described as 'Tool to test a USB drive or memory card to find out if it's a fake. The tool performs a simple test to determine if the full capacity is usable or not. All it does is fill the volume with test data and verify if the data on the volume is correct' and is an app in the os & utilities category. There are eight alternatives to CapacityTester for Windows, Linux and Mac. The best CapacityTester alternative is H2testw, which is free. Other great apps like CapacityTester are F3, ValiDrive, Quick Disk Test and MediaTester.
Data integrity test for USB sticks and other media
An advantage over other tools is, that it does not need administrative rights to access the device - but it should not be NTFS formatted, as it does not allow to test everything.
You can FAT32 format hard drive partitions large.
H2testw is the most popular Windows alternative to CapacityTester.
H2testw is the most popular free alternative to CapacityTester.
F3 is an open source that assesses the real capacity of USB sticks and other media. An advantage over other tools is, that it does not need administrative rights to access the device.
F3 is the most popular Mac & Linux alternative to CapacityTester.
F3 is the most popular Open Source alternative to CapacityTester.
Quickly spot-check any USB mass storage drive for fraudulent deliberately missing storage.
Quick Disk Test fills a disk with test data and verifies that it can be read back without errors.
MediaTester can test any media (SD, microSD, USB thumbdrive, etc) and verify it stores the expected number of bytes. The testing method is similar to h2testw but MediaTester can detect fake or defective media much faster by performing quick reads as data is written.
Flash card/drive tester allows testing of any removable media including SD, MMC, CF, USB flash pen drives for bad or unstable sectors. Especially useful for testing for fake sizes often seen on low quality USB pen drives.
Tests USB Flash drives and Flash memory SD cards to determine if they are fake (not full capacity). Much quicker than H2testw.
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