Ideally, you want to put a nail through the platters of the drive, going all the way through (it's actually not as hard as it sounds).
SUPER ERASER SSD SERIAL
The built-in nine-pin serial port enables you to print erase logs using a receipt printer.Easy operation with LCD and push-button navigation.Support for Secure Erase and Enhanced Secure Erase for SSDs.Nine erase modes including: Quick and Secure Erase, Single Pass Overwrite, and Multi-pass Overwrites - meets DoD (5220.22-M) standards.Secure, standalone drive erasing for up to four 2.5-inch and 3.5-inch SATA SSD/HDD drives.The StarTech four-bay drive eraser is packed with the following features: The ONLY times it is necesary to (in my experience) is when TRIM is not implimented properly either by the operating system (SSD drives used in XP or Vista systems or old linux systems) and/or SSD drives that are within any USB drive caddy of any sort or SSD drives whose firmware does not imediately deallocate the original files mapped flash memory pages from the LBA address it was assigned to and does not imediately replace subsiquent reads with zeroed sector data instead of the original sectors contents AND you have data you cannot afford to be retrieved by anyone else.If you have a lot of drives to erase, then you might want to go for a tool that can erase multiple drives simultaneously, such as the StarTech four-bay drive eraser. Both are just as secure as each other but overwriting needlessly reduces the drives lifetime writes availabiltiy each time it happens. Prctically erasing better than overwriting alone since each write to an existing file on a SSD drive remaps the new write to a new recently erased flash sub-page and the previous contents are again queued for eventual erasure in future garbage collection. rendering it unrecoverable by labs accessing the flash memory chips directly.
SUPER ERASER SSD WINDOWS 7
Paul S, SSD dievices conencted directly to computer via SATA or other designed in busses under operating systems that support TRIM on a file by file deletion or partition deletion basis like Windows 7 or above, for instance, automatically practically erase deleted files data by de-allocating the flash memory sub-pages from access for the given LBA and logical clusters making the data imediatly inaccessible via the SSD firmware and queuing the pages for eventual perminant electrical erasure during periodic garbage collection by the SSD drives firmware. Note that some tools require the SSD to be disconnected from the PC/laptop & then reattached, &/or booting to a USB stick. Many companies use a disk shredding service to physically destroy discarded drives. That doesn't mean another user could access that remaining data, but an electronic tech might. The problem is that because not every block is easily accessible, you can't verify it worked - when tested several years ago on different brands & models of SSD, it did not always work. Some manufacturers offer their own tools for download, & you can use 3rd party tools like DoYourData Super Eraser. An SSD can however send a voltage spike to each block of storage resetting it to its initial state. SSDs tend to use over-provisioning, which practically speaking means that you cannot access every block of storage to make sure it's cleared. Erasing or clearing data is a safeguard before selling or giving or throwing away a used conventional, SSD, or USB drive or memory card.
That of course doesn't apply to an SSD since there are no write heads, but they still can be cleared or erased. Traditional erasing overwrites the data on a conventional hard disk, making multiple passes because the write heads wobble a tiny bit.
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