Navigate to Hardware > SATA/SATA Express > Serial-ATA Device Tree. ![]() Press and hold the Option key, and click Apple menu.If you wipe or erase data on such system, you're damaging SSD, lifespan of which will be shortened. In fact, there's no need to wipe SSD when the OS you're using supports TRIM,Ī trim command (known as TRIM in the ATA command set, and UNMAP in the SCSI command set) allows an operating system to inform a solid-state drive (SSD) which blocks of data are no longer considered in use and can be wiped internally- wikipedia.Īctually, TRIM is supported after Mac OS X 10.6.8, so if you're using the latest Mac OS, there's no need to do the Erase step, when you deleted the file, you're securely wiped SSD data. ![]() ![]() Solid-State Drives (SSD) are quite popular on notebooks, Macbook (air, pro) for example, Secure Erase SSD data on old devices also becomes an thriving needs when new laptops with lower price and more capacity on SSD released (maybe its simply because you want to replace old Macbook with new-designed ones), but is it necessary to wipe data on SSD running Mac OS?
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