H2testw!

HD Tune is a Hard Disk utility which has the following functions:-Benchmark: measures the performance,-Info: shows detailed information,-Health: checks the health status by using SMART,-Error Scan: scans the surface for errors,-Temperature display,HD Tune may also work with other storage devices such as memory cards, USB sticks, iPods, etc.

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.

Reads disk files or directories and stops on the first read error.

Macrorit Disk Scanner it a free and smart disk scanner software which could help you quickly test, scan disk and mark the lactation of bad sectors.

Tests USB Flash drives and Flash memory SD cards to determine if they are fake (not full capacity). Much quicker than H2testw.

Quick Disk Test fills a disk with test data and verifies that it can be read back without errors.

Modern hard drives are much more reliable than the disks of yesterday. However, they still are extremely complex electronic devices with moving parts that are subject to amortization. The high density of data storage provided by the modern disks allows for greater storage capacities and higher access speeds. However, with densities and capacities pushed to the extreme you have much more to lose should the drive fail. The hard drive is the most important component in your entire PC because it holds all that is of real value: your documents, digital pictures, email messages, your work and private data. »

Check Flash is a tool for testing and formatting flash-drives. It can be used to clean eny evidence of activity on your flash drive by formatting it.With Check Flash you will be able to manage your flash drives by performing different maintenance tests on it.

sdspeed is the only product that measure the read and write rate and testing every bit of your SD memory card you can trust with no "conflict of interest".

Flash Memory Toolkit is a small package which has some very useful options like file recovery, benchmark and error scanning.

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.

USB Memory Stick Tester is a small application designed to help testing removable storage media (such as USB memory sticks) for defects.