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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.

CrystalDiskMark is a small HDD benchmark utility for your hard drive that enable you to rapidly measure sequential and random read/write speeds.

Data integrity test for USB sticks and other media

Compare read and write speed of USB Flash drives: USBDeview is a small utility that lists all USB devices that currently connected to your computer, as well as all USB devices that you previously used.For each USB device, exteneded information is displayed: Device name/description, device type, serial number (for mass storage devices), the date/time that device was added, VendorID, ProductID, and more...USBDeview also allows you to uninstall USB devices that you previously used, disconnect USB devices that are currently connected to your computer, as well as to disable and enable USB devices.You can also use USBDeview on a remote computer, as long as you login to that computer with admin user. »

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.

Xbench was developed by Spiny Software to provide a comprehensive benchmarking solution for Mac OS X. Xbench is useful not only for comparing the relative speeds of two different Macintoshes, but also for optimizing performance on a single machine. Xbench is accompanied by a website that allows graphical side-by-side comparison of any out of thousands of submitted benchmarks.

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

Measures both sustained and burst data transfer rates of your hard disks, cd/dvd-roms, flash cards/sticks, floppys, etc. Realtime graphical display.

DiskTester is a 64-bit application which tests drive performance and reliability for single volumes or RAID. Some highlights:

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

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

Really easy to use application: just one button 2 go. SpeedOut is an application, created for calculating USB drive (stick or external HDD) read/write speed. It is using low-level technology, which allows you to know REAL drive speed, without slowdowns, caused by File System.

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.